Search

Tulsidas C. Patel

Supervisory Patent Examiner (ID: 2264, Phone: (571)272-2098 , Office: P/2831 )

Most Active Art Unit
2839
Art Unit(s)
2833, 3202, 2832, 2839, 2834, 2831, 2841, 3722
Total Applications
1506
Issued Applications
1286
Pending Applications
82
Abandoned Applications
141

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 5237087 [patent_doc_number] => 20070129244 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-06-07 [patent_title] => 'Exhaust gas purification apparatus for an internal combustion engine and a catalyst for purifying exhaust gas' [patent_app_type] => utility [patent_app_number] => 11/634241 [patent_app_country] => US [patent_app_date] => 2006-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4690 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0129/20070129244.pdf [firstpage_image] =>[orig_patent_app_number] => 11634241 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/634241
Exhaust gas purification apparatus for an internal combustion engine and a catalyst for purifying exhaust gas Dec 5, 2006 Issued
Array ( [id] => 5076119 [patent_doc_number] => 20070119343 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-05-31 [patent_title] => 'Complex metal oxide raw material composition' [patent_app_type] => utility [patent_app_number] => 11/605561 [patent_app_country] => US [patent_app_date] => 2006-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 64 [patent_figures_cnt] => 64 [patent_no_of_words] => 11311 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0119/20070119343.pdf [firstpage_image] =>[orig_patent_app_number] => 11605561 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/605561
Complex metal oxide raw material composition Nov 27, 2006 Abandoned
Array ( [id] => 22356 [patent_doc_number] => 07799734 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-09-21 [patent_title] => 'Catalyst carrier body for a catalytic converter to be installed close to an engine, catalytic converter, exhaust system and vehicle having the catalyst carrier body' [patent_app_type] => utility [patent_app_number] => 11/601955 [patent_app_country] => US [patent_app_date] => 2006-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 6213 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/799/07799734.pdf [firstpage_image] =>[orig_patent_app_number] => 11601955 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/601955
Catalyst carrier body for a catalytic converter to be installed close to an engine, catalytic converter, exhaust system and vehicle having the catalyst carrier body Nov 19, 2006 Issued
Array ( [id] => 4473118 [patent_doc_number] => 07867461 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-01-11 [patent_title] => 'Method for preparing of cerium oxide powder for chemical mechanical polishing and method for preparing of chemical mechanical polishing slurry using the same' [patent_app_type] => utility [patent_app_number] => 11/580226 [patent_app_country] => US [patent_app_date] => 2006-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6108 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/867/07867461.pdf [firstpage_image] =>[orig_patent_app_number] => 11580226 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/580226
Method for preparing of cerium oxide powder for chemical mechanical polishing and method for preparing of chemical mechanical polishing slurry using the same Oct 12, 2006 Issued
Array ( [id] => 5172335 [patent_doc_number] => 20070072768 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-03-29 [patent_title] => 'CARBON DIOXIDE ABSORBENT AND METHOD OF MANUFACTURING CARBON DIOXIDE ABSORBENT' [patent_app_type] => utility [patent_app_number] => 11/534046 [patent_app_country] => US [patent_app_date] => 2006-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6221 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0072/20070072768.pdf [firstpage_image] =>[orig_patent_app_number] => 11534046 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/534046
CARBON DIOXIDE ABSORBENT AND METHOD OF MANUFACTURING CARBON DIOXIDE ABSORBENT Sep 20, 2006 Abandoned
Array ( [id] => 5050764 [patent_doc_number] => 20070031308 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-02-08 [patent_title] => 'Enhancement of surface-active solid-phase heterogenous catalysts' [patent_app_type] => utility [patent_app_number] => 11/499851 [patent_app_country] => US [patent_app_date] => 2006-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 32 [patent_no_of_words] => 23704 [patent_no_of_claims] => 65 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0031/20070031308.pdf [firstpage_image] =>[orig_patent_app_number] => 11499851 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/499851
Enhancement of surface-active solid-phase heterogenous catalysts Aug 2, 2006 Abandoned
Array ( [id] => 5699535 [patent_doc_number] => 20060216219 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-09-28 [patent_title] => 'Aerogel monolith with improved strength' [patent_app_type] => utility [patent_app_number] => 11/385141 [patent_app_country] => US [patent_app_date] => 2006-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4106 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0216/20060216219.pdf [firstpage_image] =>[orig_patent_app_number] => 11385141 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/385141
Aerogel monolith with improved strength Mar 19, 2006 Abandoned
Array ( [id] => 5410591 [patent_doc_number] => 20090124490 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-05-14 [patent_title] => 'Photocatalyst, Method for Producing Same, Liquid Dispersion Containing Photocatalyst and Photocatalyst Coating Composition' [patent_app_type] => utility [patent_app_number] => 11/884049 [patent_app_country] => US [patent_app_date] => 2006-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 16232 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0124/20090124490.pdf [firstpage_image] =>[orig_patent_app_number] => 11884049 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/884049
Photocatalyst, method for producing same, liquid dispersion containing photocatalyst and photocatalyst coating composition Feb 13, 2006 Issued
Array ( [id] => 5177996 [patent_doc_number] => 20070179056 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-08-02 [patent_title] => 'Sorbent for removal of trace hazardous air pollutants from combustion flue gas and preparation method thereof' [patent_app_type] => utility [patent_app_number] => 11/341672 [patent_app_country] => US [patent_app_date] => 2006-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7430 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0179/20070179056.pdf [firstpage_image] =>[orig_patent_app_number] => 11341672 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/341672
Sorbent for removal of trace hazardous air pollutants from combustion flue gas and preparation method thereof Jan 26, 2006 Abandoned
Array ( [id] => 4517543 [patent_doc_number] => 07939041 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-05-10 [patent_title] => 'Composite oxides or hydroxides comprising alumina and zirconia for automotive catalyst applications and method of manufacturing' [patent_app_type] => utility [patent_app_number] => 11/813049 [patent_app_country] => US [patent_app_date] => 2005-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 11076 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/939/07939041.pdf [firstpage_image] =>[orig_patent_app_number] => 11813049 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/813049
Composite oxides or hydroxides comprising alumina and zirconia for automotive catalyst applications and method of manufacturing Dec 29, 2005 Issued
Array ( [id] => 4736079 [patent_doc_number] => 20080229731 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-09-25 [patent_title] => 'Combustion Catalyst for Treating Diesel Exhaust Gas and Method for Treating Diesel Exhaust Gas' [patent_app_type] => utility [patent_app_number] => 10/586548 [patent_app_country] => US [patent_app_date] => 2005-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5642 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0229/20080229731.pdf [firstpage_image] =>[orig_patent_app_number] => 10586548 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/586548
Combustion catalyst for treating diesel exhaust gas and method for treating diesel exhaust gas Dec 14, 2005 Issued
Array ( [id] => 5842010 [patent_doc_number] => 20060120941 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-06-08 [patent_title] => 'Silica support material, its application in a polyalkene catalyst, and its preparation process' [patent_app_type] => utility [patent_app_number] => 11/291154 [patent_app_country] => US [patent_app_date] => 2005-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6332 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0120/20060120941.pdf [firstpage_image] =>[orig_patent_app_number] => 11291154 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/291154
Silica support material, its application in a polyalkene catalyst, and its preparation process Nov 30, 2005 Abandoned
Array ( [id] => 5610937 [patent_doc_number] => 20060112860 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-06-01 [patent_title] => 'Process for producing hydrophobic silica powder' [patent_app_type] => utility [patent_app_number] => 11/271746 [patent_app_country] => US [patent_app_date] => 2005-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4852 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0112/20060112860.pdf [firstpage_image] =>[orig_patent_app_number] => 11271746 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/271746
Process for producing hydrophobic silica powder Nov 13, 2005 Abandoned
Array ( [id] => 4803517 [patent_doc_number] => 20080015106 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-17 [patent_title] => 'Processes for Production of Silica Gels Carrying Derivatization Agents for Carbonyl Compounds' [patent_app_type] => utility [patent_app_number] => 11/718960 [patent_app_country] => US [patent_app_date] => 2005-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10632 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0015/20080015106.pdf [firstpage_image] =>[orig_patent_app_number] => 11718960 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/718960
Processes for production of silica gels carrying derivatization agents for carbonyl compounds Nov 9, 2005 Issued
Array ( [id] => 41930 [patent_doc_number] => 07780931 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-08-24 [patent_title] => 'Preparation for Tio2 powders from a waste liquid containing titanium compounds' [patent_app_type] => utility [patent_app_number] => 11/667343 [patent_app_country] => US [patent_app_date] => 2005-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5986 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/780/07780931.pdf [firstpage_image] =>[orig_patent_app_number] => 11667343 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/667343
Preparation for Tio2 powders from a waste liquid containing titanium compounds Nov 2, 2005 Issued
Array ( [id] => 5666522 [patent_doc_number] => 20060171872 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-08-03 [patent_title] => 'Method of preparing hydrophobic silica directly from an aqueous colloidal silica dispersion' [patent_app_type] => utility [patent_app_number] => 11/254440 [patent_app_country] => US [patent_app_date] => 2005-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9157 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0171/20060171872.pdf [firstpage_image] =>[orig_patent_app_number] => 11254440 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/254440
Method of preparing hydrophobic silica directly from an aqueous colloidal silica dispersion Oct 19, 2005 Issued
Array ( [id] => 4513339 [patent_doc_number] => 07931886 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-04-26 [patent_title] => 'Agglomeration of titania' [patent_app_type] => utility [patent_app_number] => 11/575548 [patent_app_country] => US [patent_app_date] => 2005-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4192 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/931/07931886.pdf [firstpage_image] =>[orig_patent_app_number] => 11575548 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/575548
Agglomeration of titania Sep 13, 2005 Issued
Array ( [id] => 5209940 [patent_doc_number] => 20070248524 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-10-25 [patent_title] => 'Method for Manufacturing Porous Silica Crystal' [patent_app_type] => utility [patent_app_number] => 11/662059 [patent_app_country] => US [patent_app_date] => 2005-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3436 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0248/20070248524.pdf [firstpage_image] =>[orig_patent_app_number] => 11662059 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/662059
Method for manufacturing porous silica crystal Sep 11, 2005 Issued
Array ( [id] => 5045813 [patent_doc_number] => 20070264486 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-11-15 [patent_title] => 'Method of Producing a Catalyzed Particulate Filter and Filter Thus Obtained' [patent_app_type] => utility [patent_app_number] => 11/662532 [patent_app_country] => US [patent_app_date] => 2005-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8049 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0264/20070264486.pdf [firstpage_image] =>[orig_patent_app_number] => 11662532 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/662532
Method of Producing a Catalyzed Particulate Filter and Filter Thus Obtained Sep 8, 2005 Abandoned
Array ( [id] => 4484143 [patent_doc_number] => 07902113 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-03-08 [patent_title] => 'Catalyst direct conversion of methane to ethane and ethylene' [patent_app_type] => utility [patent_app_number] => 11/220740 [patent_app_country] => US [patent_app_date] => 2005-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3359 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/902/07902113.pdf [firstpage_image] =>[orig_patent_app_number] => 11220740 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/220740
Catalyst direct conversion of methane to ethane and ethylene Sep 5, 2005 Issued
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