Search

Prem C. Singh

Supervisory Patent Examiner (ID: 15182, Phone: (571)272-6381 , Office: P/1771 )

Most Active Art Unit
1797
Art Unit(s)
1797, 1764, 1771
Total Applications
599
Issued Applications
331
Pending Applications
46
Abandoned Applications
223

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 4772913 [patent_doc_number] => 20080058573 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-03-06 [patent_title] => 'CATALYST AND PROCESS FOR PREPARING ISOOLEFINS' [patent_app_type] => utility [patent_app_number] => 11/836905 [patent_app_country] => US [patent_app_date] => 2007-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11334 [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/A1/0058/20080058573.pdf [firstpage_image] =>[orig_patent_app_number] => 11836905 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/836905
Catalyst and process for preparing isoolefins Aug 9, 2007 Issued
Array ( [id] => 8082535 [patent_doc_number] => 08148587 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-04-03 [patent_title] => 'Method for producing light olefins from methanol or/and dimethyl ether' [patent_app_type] => utility [patent_app_number] => 12/529912 [patent_app_country] => US [patent_app_date] => 2007-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 7520 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 332 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/148/08148587.pdf [firstpage_image] =>[orig_patent_app_number] => 12529912 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/529912
Method for producing light olefins from methanol or/and dimethyl ether Jul 26, 2007 Issued
Array ( [id] => 5287033 [patent_doc_number] => 20090019763 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-01-22 [patent_title] => 'HYDROTREATING AND CATALYTIC DEWAXING PROCESS FOR MAKING DIESEL FROM OILS AND/OR FATS' [patent_app_type] => utility [patent_app_number] => 11/778295 [patent_app_country] => US [patent_app_date] => 2007-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5004 [patent_no_of_claims] => 42 [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/A1/0019/20090019763.pdf [firstpage_image] =>[orig_patent_app_number] => 11778295 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/778295
Hydrotreating and catalytic dewaxing process for making diesel from oils and/or fats Jul 15, 2007 Issued
Array ( [id] => 4910412 [patent_doc_number] => 20080021179 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-24 [patent_title] => 'CATALYTIC CHEMICAL REACTION PROCESS' [patent_app_type] => utility [patent_app_number] => 11/770236 [patent_app_country] => US [patent_app_date] => 2007-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7741 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0021/20080021179.pdf [firstpage_image] =>[orig_patent_app_number] => 11770236 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/770236
CATALYTIC CHEMICAL REACTION PROCESS Jun 27, 2007 Abandoned
Array ( [id] => 5199960 [patent_doc_number] => 20070299278 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-12-27 [patent_title] => 'PROCESS FOR CONTINUOUS HETEROGENEOUSLY CATALYZED PARTIAL DEHYDROGENATION OF AT LEAST ONE HYDROCARBON TO BE DEHYDROGENATED' [patent_app_type] => utility [patent_app_number] => 11/767782 [patent_app_country] => US [patent_app_date] => 2007-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23432 [patent_no_of_claims] => 66 [patent_no_of_ind_claims] => 41 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0299/20070299278.pdf [firstpage_image] =>[orig_patent_app_number] => 11767782 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/767782
Process for continuous heterogeneously catalyzed partial dehydrogenation of at least one hydrocarbon to be dehydrogenated Jun 24, 2007 Issued
Array ( [id] => 4685254 [patent_doc_number] => 20080029435 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-02-07 [patent_title] => 'Rejuvenation process for olefin polymerization and alkylation catalyst' [patent_app_type] => utility [patent_app_number] => 11/812484 [patent_app_country] => US [patent_app_date] => 2007-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5797 [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/A1/0029/20080029435.pdf [firstpage_image] =>[orig_patent_app_number] => 11812484 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/812484
Rejuvenation process for olefin polymerization and alkylation catalyst Jun 18, 2007 Abandoned
Array ( [id] => 7986805 [patent_doc_number] => 08075696 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-12-13 [patent_title] => 'Method of recovering heat transfer in reactor and regenerator effluent coolers' [patent_app_type] => utility [patent_app_number] => 11/818233 [patent_app_country] => US [patent_app_date] => 2007-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 10693 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 414 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/075/08075696.pdf [firstpage_image] =>[orig_patent_app_number] => 11818233 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/818233
Method of recovering heat transfer in reactor and regenerator effluent coolers Jun 12, 2007 Issued
Array ( [id] => 4685255 [patent_doc_number] => 20080029436 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-02-07 [patent_title] => 'Method for Passing a Fluid Through a Moving Bed of Particles' [patent_app_type] => utility [patent_app_number] => 11/758753 [patent_app_country] => US [patent_app_date] => 2007-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18380 [patent_no_of_claims] => 15 [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/A1/0029/20080029436.pdf [firstpage_image] =>[orig_patent_app_number] => 11758753 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/758753
Method for passing a fluid through a moving bed of particles Jun 5, 2007 Issued
Array ( [id] => 4772909 [patent_doc_number] => 20080058569 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-03-06 [patent_title] => 'PROCESS FOR THE DISSOCIATION OF MTBE' [patent_app_type] => utility [patent_app_number] => 11/758285 [patent_app_country] => US [patent_app_date] => 2007-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 16393 [patent_no_of_claims] => 16 [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/A1/0058/20080058569.pdf [firstpage_image] =>[orig_patent_app_number] => 11758285 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/758285
Process for the dissociation of MTBE Jun 4, 2007 Issued
Array ( [id] => 5166286 [patent_doc_number] => 20070287873 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-12-13 [patent_title] => 'METHOD OF CONVERTING ETHANOL TO BASE STOCK FOR DIESEL FUEL' [patent_app_type] => utility [patent_app_number] => 11/754596 [patent_app_country] => US [patent_app_date] => 2007-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5793 [patent_no_of_claims] => 14 [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/A1/0287/20070287873.pdf [firstpage_image] =>[orig_patent_app_number] => 11754596 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/754596
Method of converting ethanol to base stock for diesel fuel May 28, 2007 Issued
Array ( [id] => 5046809 [patent_doc_number] => 20070265483 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-11-15 [patent_title] => 'PROCESS FOR SELECTIVELY HYDROGENATING BUTADIENE IN AN C4 OLEFIN STREAM CONTAINING A CATALYST POISON WITH THE SIMULTANEOUS ISOMERIZATION OF 1-BUTENE TO 2-BUTENE' [patent_app_type] => utility [patent_app_number] => 11/744151 [patent_app_country] => US [patent_app_date] => 2007-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4806 [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/A1/0265/20070265483.pdf [firstpage_image] =>[orig_patent_app_number] => 11744151 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/744151
PROCESS FOR SELECTIVELY HYDROGENATING BUTADIENE IN AN C4 OLEFIN STREAM CONTAINING A CATALYST POISON WITH THE SIMULTANEOUS ISOMERIZATION OF 1-BUTENE TO 2-BUTENE May 2, 2007 Abandoned
Array ( [id] => 4855979 [patent_doc_number] => 20080264829 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-30 [patent_title] => 'METHOD FOR ADJUSTING YIELDS IN A LIGHT FEED FCC REACTOR' [patent_app_type] => utility [patent_app_number] => 11/741838 [patent_app_country] => US [patent_app_date] => 2007-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7214 [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/A1/0264/20080264829.pdf [firstpage_image] =>[orig_patent_app_number] => 11741838 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/741838
Method for adjusting yields in a light feed FCC reactor Apr 29, 2007 Issued
Array ( [id] => 4933701 [patent_doc_number] => 20080004476 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-03 [patent_title] => 'PROCESS FOR THE HYDROGENATION OF AROMATICS IN A HYDROCARBON FEEDSTOCK THAT CONTAINS A THIOPHENEIC COMPOUND' [patent_app_type] => utility [patent_app_number] => 11/737167 [patent_app_country] => US [patent_app_date] => 2007-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6987 [patent_no_of_claims] => 34 [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/A1/0004/20080004476.pdf [firstpage_image] =>[orig_patent_app_number] => 11737167 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/737167
PROCESS FOR THE HYDROGENATION OF AROMATICS IN A HYDROCARBON FEEDSTOCK THAT CONTAINS A THIOPHENEIC COMPOUND Apr 18, 2007 Abandoned
Array ( [id] => 8165241 [patent_doc_number] => 08173853 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-05-08 [patent_title] => 'Process for preparing acetylene by partial oxidation of hydrocarbons' [patent_app_type] => utility [patent_app_number] => 12/297015 [patent_app_country] => US [patent_app_date] => 2007-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2980 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/173/08173853.pdf [firstpage_image] =>[orig_patent_app_number] => 12297015 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/297015
Process for preparing acetylene by partial oxidation of hydrocarbons Apr 3, 2007 Issued
Array ( [id] => 4714568 [patent_doc_number] => 20080237090 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-02 [patent_title] => 'PROCESS AND SYSTEM FOR REDCUING THE OLEFIN CONTENT OF A HYDROCARBON FEED GAS AND PRODUCTION OF A HYDROGEN-ENRICHED GAS THEREFROM' [patent_app_type] => utility [patent_app_number] => 11/694309 [patent_app_country] => US [patent_app_date] => 2007-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3275 [patent_no_of_claims] => 17 [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/A1/0237/20080237090.pdf [firstpage_image] =>[orig_patent_app_number] => 11694309 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/694309
PROCESS AND SYSTEM FOR REDCUING THE OLEFIN CONTENT OF A HYDROCARBON FEED GAS AND PRODUCTION OF A HYDROGEN-ENRICHED GAS THEREFROM Mar 29, 2007 Abandoned
Array ( [id] => 5087717 [patent_doc_number] => 20070227356 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-10-04 [patent_title] => 'Product recovery in gas-solids reactors' [patent_app_type] => utility [patent_app_number] => 11/729409 [patent_app_country] => US [patent_app_date] => 2007-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 14841 [patent_no_of_claims] => 33 [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/A1/0227/20070227356.pdf [firstpage_image] =>[orig_patent_app_number] => 11729409 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/729409
Product recovery in gas-solids reactors Mar 27, 2007 Issued
Array ( [id] => 112428 [patent_doc_number] => 07718839 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-05-18 [patent_title] => 'Process for producing lower olefins from heavy hydrocarbon feedstock utilizing two vapor/liquid separators' [patent_app_type] => utility [patent_app_number] => 11/689950 [patent_app_country] => US [patent_app_date] => 2007-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6955 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 313 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/718/07718839.pdf [firstpage_image] =>[orig_patent_app_number] => 11689950 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/689950
Process for producing lower olefins from heavy hydrocarbon feedstock utilizing two vapor/liquid separators Mar 21, 2007 Issued
Array ( [id] => 7691187 [patent_doc_number] => 20070232846 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-10-04 [patent_title] => 'PROCESS FOR PRODUCING LOWER OLEFINS' [patent_app_type] => utility [patent_app_number] => 11/689932 [patent_app_country] => US [patent_app_date] => 2007-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 12002 [patent_no_of_claims] => 35 [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/A1/0232/20070232846.pdf [firstpage_image] =>[orig_patent_app_number] => 11689932 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/689932
Process for producing lower olefins Mar 21, 2007 Issued
Array ( [id] => 5063895 [patent_doc_number] => 20070225536 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-09-27 [patent_title] => 'OLEFIN CONVERSION PROCESS AND OLEFIN RECOVERY PROCESS' [patent_app_type] => utility [patent_app_number] => 11/689252 [patent_app_country] => US [patent_app_date] => 2007-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8325 [patent_no_of_claims] => 45 [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/A1/0225/20070225536.pdf [firstpage_image] =>[orig_patent_app_number] => 11689252 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/689252
OLEFIN CONVERSION PROCESS AND OLEFIN RECOVERY PROCESS Mar 20, 2007 Abandoned
Array ( [id] => 4944608 [patent_doc_number] => 20080081935 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-04-03 [patent_title] => 'Method and apparatus for continuous decomposing waste polymeric materials' [patent_app_type] => utility [patent_app_number] => 11/681945 [patent_app_country] => US [patent_app_date] => 2007-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6683 [patent_no_of_claims] => 17 [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/A1/0081/20080081935.pdf [firstpage_image] =>[orig_patent_app_number] => 11681945 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/681945
Method and apparatus for continuous decomposing waste polymeric materials Mar 4, 2007 Issued
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