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] => 4728432 [patent_doc_number] => 20080207976 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-08-28 [patent_title] => 'Method for removing water from an alkylation process system' [patent_app_type] => utility [patent_app_number] => 11/712110 [patent_app_country] => US [patent_app_date] => 2007-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2976 [patent_no_of_claims] => 17 [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/A1/0207/20080207976.pdf [firstpage_image] =>[orig_patent_app_number] => 11712110 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/712110
Method for removing water from an alkylation process system Feb 27, 2007 Issued
Array ( [id] => 242949 [patent_doc_number] => 07588680 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2009-09-15 [patent_title] => 'Desulphurization of petroleum streams using metallic sodium' [patent_app_type] => utility [patent_app_number] => 11/679071 [patent_app_country] => US [patent_app_date] => 2007-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3754 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/588/07588680.pdf [firstpage_image] =>[orig_patent_app_number] => 11679071 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/679071
Desulphurization of petroleum streams using metallic sodium Feb 25, 2007 Issued
Array ( [id] => 7530624 [patent_doc_number] => 07842846 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-11-30 [patent_title] => 'Process for heterogeneously catalyzed partial dehydrogenation of at least one hydrocarbon to be dehydrogenated' [patent_app_type] => utility [patent_app_number] => 11/678362 [patent_app_country] => US [patent_app_date] => 2007-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 20 [patent_no_of_words] => 25300 [patent_no_of_claims] => 45 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 588 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/842/07842846.pdf [firstpage_image] =>[orig_patent_app_number] => 11678362 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/678362
Process for heterogeneously catalyzed partial dehydrogenation of at least one hydrocarbon to be dehydrogenated Feb 22, 2007 Issued
Array ( [id] => 5119221 [patent_doc_number] => 20070140935 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-06-21 [patent_title] => 'System and Method for Hydrothermal Reactions - Two Layer Liner' [patent_app_type] => utility [patent_app_number] => 11/676054 [patent_app_country] => US [patent_app_date] => 2007-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7091 [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/A1/0140/20070140935.pdf [firstpage_image] =>[orig_patent_app_number] => 11676054 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/676054
System and Method for Hydrothermal Reactions - Two Layer Liner Feb 15, 2007 Abandoned
Array ( [id] => 7691190 [patent_doc_number] => 20070232843 [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] => 11/707225 [patent_app_country] => US [patent_app_date] => 2007-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 13719 [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/A1/0232/20070232843.pdf [firstpage_image] =>[orig_patent_app_number] => 11707225 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/707225
Product recovery in gas-solids reactors Feb 13, 2007 Issued
Array ( [id] => 4955675 [patent_doc_number] => 20080188699 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-08-07 [patent_title] => 'Method of separating condensed liquid from an olefin stream' [patent_app_type] => utility [patent_app_number] => 11/702345 [patent_app_country] => US [patent_app_date] => 2007-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 12787 [patent_no_of_claims] => 30 [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/A1/0188/20080188699.pdf [firstpage_image] =>[orig_patent_app_number] => 11702345 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/702345
Method of separating condensed liquid from an olefin stream Feb 4, 2007 Issued
Array ( [id] => 5102097 [patent_doc_number] => 20070185359 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-08-09 [patent_title] => 'Gasoline production by olefin polymerization' [patent_app_type] => utility [patent_app_number] => 11/698813 [patent_app_country] => US [patent_app_date] => 2007-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6170 [patent_no_of_claims] => 20 [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/A1/0185/20070185359.pdf [firstpage_image] =>[orig_patent_app_number] => 11698813 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/698813
Gasoline production by olefin polymerization Jan 28, 2007 Abandoned
Array ( [id] => 63281 [patent_doc_number] => 07763765 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-07-27 [patent_title] => 'Method of high pressure and high capacity oxygenate conversion with catalyst exposure cycle' [patent_app_type] => utility [patent_app_number] => 11/698511 [patent_app_country] => US [patent_app_date] => 2007-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 19 [patent_no_of_words] => 21743 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 346 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/763/07763765.pdf [firstpage_image] =>[orig_patent_app_number] => 11698511 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/698511
Method of high pressure and high capacity oxygenate conversion with catalyst exposure cycle Jan 25, 2007 Issued
Array ( [id] => 4842810 [patent_doc_number] => 20080179218 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-07-31 [patent_title] => 'Process for cracking synthetic crude oil-containing feedstock' [patent_app_type] => utility [patent_app_number] => 11/698514 [patent_app_country] => US [patent_app_date] => 2007-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5752 [patent_no_of_claims] => 47 [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/A1/0179/20080179218.pdf [firstpage_image] =>[orig_patent_app_number] => 11698514 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/698514
Process for cracking synthetic crude oil-containing feedstock Jan 25, 2007 Issued
Array ( [id] => 4805643 [patent_doc_number] => 20080169221 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-07-17 [patent_title] => 'ADSORPTION OF VANADIUM COMPOUNDS FROM FUEL OIL AND ADSORBENTS THEREOF' [patent_app_type] => utility [patent_app_number] => 11/622731 [patent_app_country] => US [patent_app_date] => 2007-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2067 [patent_no_of_claims] => 31 [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/A1/0169/20080169221.pdf [firstpage_image] =>[orig_patent_app_number] => 11622731 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/622731
Adsorption of vanadium compounds from fuel oil and adsorbents thereof Jan 11, 2007 Issued
Array ( [id] => 5113929 [patent_doc_number] => 20070197845 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-08-23 [patent_title] => 'Removal of catalyst fines from a reaction system' [patent_app_type] => utility [patent_app_number] => 11/651815 [patent_app_country] => US [patent_app_date] => 2007-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 12834 [patent_no_of_claims] => 40 [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/A1/0197/20070197845.pdf [firstpage_image] =>[orig_patent_app_number] => 11651815 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/651815
Removal of catalyst fines from a reaction system Jan 9, 2007 Issued
Array ( [id] => 5216929 [patent_doc_number] => 20070158240 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-07-12 [patent_title] => 'System and method for on-line spalling of a coker' [patent_app_type] => utility [patent_app_number] => 11/650820 [patent_app_country] => US [patent_app_date] => 2007-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3931 [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/A1/0158/20070158240.pdf [firstpage_image] =>[orig_patent_app_number] => 11650820 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/650820
System and method for on-line spalling of a coker Jan 7, 2007 Issued
Array ( [id] => 4753540 [patent_doc_number] => 20080161616 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-07-03 [patent_title] => 'Oxygenate to olefin processing with product water utilization' [patent_app_type] => utility [patent_app_number] => 11/646102 [patent_app_country] => US [patent_app_date] => 2006-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 8067 [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/A1/0161/20080161616.pdf [firstpage_image] =>[orig_patent_app_number] => 11646102 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/646102
Oxygenate to olefin processing with product water utilization Dec 26, 2006 Abandoned
Array ( [id] => 4880693 [patent_doc_number] => 20080154076 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-06-26 [patent_title] => 'Hydrocarbon Conversion Process Including A Staggered-Bypass Reaction System' [patent_app_type] => utility [patent_app_number] => 11/615254 [patent_app_country] => US [patent_app_date] => 2006-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2723 [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/A1/0154/20080154076.pdf [firstpage_image] =>[orig_patent_app_number] => 11615254 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/615254
Hydrocarbon conversion process including a staggered-bypass reaction system Dec 21, 2006 Issued
Array ( [id] => 5120974 [patent_doc_number] => 20070142689 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-06-21 [patent_title] => 'PROCESS FOR CONTINUOUS HETEROGENEOUSLY CATALYZED PARTIAL DEHYDROGENATION OF AT LEAST ONE HYDROCARBON TO BE DEHYDROGENATED' [patent_app_type] => utility [patent_app_number] => 11/614425 [patent_app_country] => US [patent_app_date] => 2006-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18330 [patent_no_of_claims] => 49 [patent_no_of_ind_claims] => 31 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0142/20070142689.pdf [firstpage_image] =>[orig_patent_app_number] => 11614425 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/614425
Process for continuous heterogeneously catalyzed partial dehydrogenation of at least one hydrocarbon to be dehydrogenated Dec 20, 2006 Issued
Array ( [id] => 4471532 [patent_doc_number] => 07943808 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-05-17 [patent_title] => 'Methane conversion to higher hydrocarbons' [patent_app_type] => utility [patent_app_number] => 11/643541 [patent_app_country] => US [patent_app_date] => 2006-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 16353 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/943/07943808.pdf [firstpage_image] =>[orig_patent_app_number] => 11643541 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/643541
Methane conversion to higher hydrocarbons Dec 20, 2006 Issued
Array ( [id] => 4879169 [patent_doc_number] => 20080152552 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-06-26 [patent_title] => 'System and method of recycling spent catalyst in a fluid catalytic cracking unit' [patent_app_type] => utility [patent_app_number] => 11/643554 [patent_app_country] => US [patent_app_date] => 2006-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4034 [patent_no_of_claims] => 25 [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/A1/0152/20080152552.pdf [firstpage_image] =>[orig_patent_app_number] => 11643554 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/643554
System and method of recycling spent catalyst in a fluid catalytic cracking unit Dec 20, 2006 Abandoned
Array ( [id] => 166888 [patent_doc_number] => 07666297 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-02-23 [patent_title] => 'Oxidative desulfurization and denitrogenation of petroleum oils' [patent_app_type] => utility [patent_app_number] => 11/643078 [patent_app_country] => US [patent_app_date] => 2006-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 12841 [patent_no_of_claims] => 52 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/666/07666297.pdf [firstpage_image] =>[orig_patent_app_number] => 11643078 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/643078
Oxidative desulfurization and denitrogenation of petroleum oils Dec 20, 2006 Issued
Array ( [id] => 4464362 [patent_doc_number] => 07935650 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-05-03 [patent_title] => 'Neutralization of quench stream in a process for handling catalyst from an oxygenate-to-olefin reaction' [patent_app_type] => utility [patent_app_number] => 11/612424 [patent_app_country] => US [patent_app_date] => 2006-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6325 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/935/07935650.pdf [firstpage_image] =>[orig_patent_app_number] => 11612424 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/612424
Neutralization of quench stream in a process for handling catalyst from an oxygenate-to-olefin reaction Dec 17, 2006 Issued
Array ( [id] => 8212966 [patent_doc_number] => 08192591 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-06-05 [patent_title] => 'Self-sustaining cracking of hydrocarbons' [patent_app_type] => utility [patent_app_number] => 12/097392 [patent_app_country] => US [patent_app_date] => 2006-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 27 [patent_no_of_words] => 17816 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/192/08192591.pdf [firstpage_image] =>[orig_patent_app_number] => 12097392 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/097392
Self-sustaining cracking of hydrocarbons Dec 14, 2006 Issued
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