Search

Prem C. Singh

Supervisory Patent Examiner (ID: 15974, Phone: (571)272-6381 , Office: P/1771 )

Most Active Art Unit
1797
Art Unit(s)
1764, 1771, 1797
Total Applications
604
Issued Applications
335
Pending Applications
47
Abandoned Applications
223

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 197226 [patent_doc_number] => 07638664 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-12-29 [patent_title] => 'Hydrocarbon conversion process including a staggered-bypass reaction system' [patent_app_type] => utility [patent_app_number] => 12/260312 [patent_app_country] => US [patent_app_date] => 2008-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2756 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/638/07638664.pdf [firstpage_image] =>[orig_patent_app_number] => 12260312 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/260312
Hydrocarbon conversion process including a staggered-bypass reaction system Oct 28, 2008 Issued
Array ( [id] => 5582344 [patent_doc_number] => 20090101546 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-04-23 [patent_title] => 'Distillation tower construction and operation' [patent_app_type] => utility [patent_app_number] => 12/285155 [patent_app_country] => US [patent_app_date] => 2008-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4159 [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/A1/0101/20090101546.pdf [firstpage_image] =>[orig_patent_app_number] => 12285155 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/285155
Distillation tower construction and operation Sep 29, 2008 Abandoned
Array ( [id] => 6551308 [patent_doc_number] => 20100288679 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-11-18 [patent_title] => 'PROCESS FOR THE DEEP DESULFURIZATION OF HEAVY PYROLYSIS GASOLINE' [patent_app_type] => utility [patent_app_number] => 12/208410 [patent_app_country] => US [patent_app_date] => 2008-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5567 [patent_no_of_claims] => 11 [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/A1/0288/20100288679.pdf [firstpage_image] =>[orig_patent_app_number] => 12208410 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/208410
Process for the deep desulfurization of heavy pyrolysis gasoline Sep 10, 2008 Issued
Array ( [id] => 5453578 [patent_doc_number] => 20090069615 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-03-12 [patent_title] => 'METHOD AND EQUIPMENT FOR PREPARING ISOBUTYLENE USING TERTIARY BUTYL ALCOHOL' [patent_app_type] => utility [patent_app_number] => 12/204588 [patent_app_country] => US [patent_app_date] => 2008-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1037 [patent_no_of_claims] => 2 [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/A1/0069/20090069615.pdf [firstpage_image] =>[orig_patent_app_number] => 12204588 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/204588
METHOD AND EQUIPMENT FOR PREPARING ISOBUTYLENE USING TERTIARY BUTYL ALCOHOL Sep 3, 2008 Abandoned
Array ( [id] => 7540650 [patent_doc_number] => 08058493 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-11-15 [patent_title] => 'Removing amines from hydrocarbon streams' [patent_app_type] => utility [patent_app_number] => 12/188636 [patent_app_country] => US [patent_app_date] => 2008-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3789 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/058/08058493.pdf [firstpage_image] =>[orig_patent_app_number] => 12188636 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/188636
Removing amines from hydrocarbon streams Aug 7, 2008 Issued
Array ( [id] => 4775143 [patent_doc_number] => 20080283141 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-11-20 [patent_title] => 'Method of Dissolving A Gaseous Hydrocarbon Into A Liquid Hydrocarbon' [patent_app_type] => utility [patent_app_number] => 12/185677 [patent_app_country] => US [patent_app_date] => 2008-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4289 [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/A1/0283/20080283141.pdf [firstpage_image] =>[orig_patent_app_number] => 12185677 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/185677
Method of Dissolving A Gaseous Hydrocarbon Into A Liquid Hydrocarbon Aug 3, 2008 Abandoned
Array ( [id] => 5297415 [patent_doc_number] => 20090012341 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-01-08 [patent_title] => 'Dehydrogenation Reactions in Narrow Reaction Chambers and Integrated Reactors' [patent_app_type] => utility [patent_app_number] => 12/169428 [patent_app_country] => US [patent_app_date] => 2008-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 10738 [patent_no_of_claims] => 12 [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/A1/0012/20090012341.pdf [firstpage_image] =>[orig_patent_app_number] => 12169428 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/169428
Dehydrogenation reactions in narrow reaction chambers and integrated reactors Jul 7, 2008 Issued
Array ( [id] => 5466098 [patent_doc_number] => 20090326298 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-12-31 [patent_title] => 'INTEGRATION OF OTO PROCESS WITH DIRECT DME SYNTHESIS' [patent_app_type] => utility [patent_app_number] => 12/164946 [patent_app_country] => US [patent_app_date] => 2008-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2729 [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/A1/0326/20090326298.pdf [firstpage_image] =>[orig_patent_app_number] => 12164946 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/164946
Integration of OTO process with direct DME synthesis Jun 29, 2008 Issued
Array ( [id] => 5465583 [patent_doc_number] => 20090325783 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-12-31 [patent_title] => 'OTO QUENCH TOWER CATALYST RECOVERY SYSTEM UTILIZING A LOW TEMPERATURE FLUIDIZED DRYING CHAMBER' [patent_app_type] => utility [patent_app_number] => 12/164344 [patent_app_country] => US [patent_app_date] => 2008-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3579 [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/A1/0325/20090325783.pdf [firstpage_image] =>[orig_patent_app_number] => 12164344 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/164344
OTO QUENCH TOWER CATALYST RECOVERY SYSTEM UTILIZING A LOW TEMPERATURE FLUIDIZED DRYING CHAMBER Jun 29, 2008 Abandoned
Array ( [id] => 4600297 [patent_doc_number] => 07977521 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-07-12 [patent_title] => 'Oxygenate to olefins process involving supercritcal conditions' [patent_app_type] => utility [patent_app_number] => 12/136843 [patent_app_country] => US [patent_app_date] => 2008-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9460 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/977/07977521.pdf [firstpage_image] =>[orig_patent_app_number] => 12136843 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/136843
Oxygenate to olefins process involving supercritcal conditions Jun 10, 2008 Issued
Array ( [id] => 4623676 [patent_doc_number] => 08002971 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-08-23 [patent_title] => 'Desulfurization process and systems utilizing hydrodynamic cavitation' [patent_app_type] => utility [patent_app_number] => 12/135636 [patent_app_country] => US [patent_app_date] => 2008-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 6658 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/002/08002971.pdf [firstpage_image] =>[orig_patent_app_number] => 12135636 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/135636
Desulfurization process and systems utilizing hydrodynamic cavitation Jun 8, 2008 Issued
Array ( [id] => 8104409 [patent_doc_number] => 08153854 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-04-10 [patent_title] => 'Gasoline alkylate RVP control' [patent_app_type] => utility [patent_app_number] => 12/134652 [patent_app_country] => US [patent_app_date] => 2008-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 8299 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/153/08153854.pdf [firstpage_image] =>[orig_patent_app_number] => 12134652 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/134652
Gasoline alkylate RVP control Jun 5, 2008 Issued
Array ( [id] => 8115243 [patent_doc_number] => 08158840 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-04-17 [patent_title] => 'Process and apparatus for cooling liquid bottoms from vapor/liquid separator during steam cracking of hydrocarbon feedstocks' [patent_app_type] => utility [patent_app_number] => 12/132130 [patent_app_country] => US [patent_app_date] => 2008-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 9104 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/158/08158840.pdf [firstpage_image] =>[orig_patent_app_number] => 12132130 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/132130
Process and apparatus for cooling liquid bottoms from vapor/liquid separator during steam cracking of hydrocarbon feedstocks Jun 2, 2008 Issued
Array ( [id] => 5350263 [patent_doc_number] => 20090005624 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-01-01 [patent_title] => 'Integrated Processing of Methanol to Olefins' [patent_app_type] => utility [patent_app_number] => 12/129020 [patent_app_country] => US [patent_app_date] => 2008-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5408 [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/A1/0005/20090005624.pdf [firstpage_image] =>[orig_patent_app_number] => 12129020 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/129020
Integrated Processing of Methanol to Olefins May 28, 2008 Abandoned
Array ( [id] => 5304465 [patent_doc_number] => 20090299117 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-12-03 [patent_title] => 'Diisobutylene process' [patent_app_type] => utility [patent_app_number] => 12/156004 [patent_app_country] => US [patent_app_date] => 2008-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3515 [patent_no_of_claims] => 11 [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/A1/0299/20090299117.pdf [firstpage_image] =>[orig_patent_app_number] => 12156004 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/156004
Diisobutylene process May 28, 2008 Issued
Array ( [id] => 4711912 [patent_doc_number] => 20080300438 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-12-04 [patent_title] => 'Conversion of co-fed methane and hydrocarbon feedstocks into higher value hydrocarbons' [patent_app_type] => utility [patent_app_number] => 12/121353 [patent_app_country] => US [patent_app_date] => 2008-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 16408 [patent_no_of_claims] => 25 [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/A1/0300/20080300438.pdf [firstpage_image] =>[orig_patent_app_number] => 12121353 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/121353
Conversion of co-fed methane and hydrocarbon feedstocks into higher value hydrocarbons May 14, 2008 Issued
Array ( [id] => 7986697 [patent_doc_number] => 08075642 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-12-13 [patent_title] => 'Single-reactor process for producing liquid-phase organic compounds from biomass' [patent_app_type] => utility [patent_app_number] => 12/102223 [patent_app_country] => US [patent_app_date] => 2008-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 12734 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/075/08075642.pdf [firstpage_image] =>[orig_patent_app_number] => 12102223 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/102223
Single-reactor process for producing liquid-phase organic compounds from biomass Apr 13, 2008 Issued
Array ( [id] => 5380502 [patent_doc_number] => 20090192341 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-07-30 [patent_title] => 'Method Of Circulating Catalyst Between A Catalyst Regenerator And An External Catalyst Cooler' [patent_app_type] => utility [patent_app_number] => 12/059717 [patent_app_country] => US [patent_app_date] => 2008-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9568 [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/A1/0192/20090192341.pdf [firstpage_image] =>[orig_patent_app_number] => 12059717 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/059717
Method of circulating catalyst between a catalyst regenerator and an external catalyst cooler Mar 30, 2008 Issued
Array ( [id] => 5534383 [patent_doc_number] => 20090234171 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-09-17 [patent_title] => 'Reducing Deleterious Effects Of Aldehydes In Oxygenates To Olefins Reactions With Catalysts Containing Basic Metal Oxides' [patent_app_type] => utility [patent_app_number] => 12/047878 [patent_app_country] => US [patent_app_date] => 2008-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 14659 [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/A1/0234/20090234171.pdf [firstpage_image] =>[orig_patent_app_number] => 12047878 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/047878
Reducing deleterious effects of aldehydes in oxygenates to olefins reactions with catalysts containing basic metal oxides Mar 12, 2008 Issued
Array ( [id] => 4842812 [patent_doc_number] => 20080179220 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-07-31 [patent_title] => 'Use Of A Catalyst Comprising A Beta Silicon Carbide Support In A Selective Hydrodesulphurization Process' [patent_app_type] => utility [patent_app_number] => 12/045359 [patent_app_country] => US [patent_app_date] => 2008-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3763 [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/A1/0179/20080179220.pdf [firstpage_image] =>[orig_patent_app_number] => 12045359 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/045359
Use Of A Catalyst Comprising A Beta Silicon Carbide Support In A Selective Hydrodesulphurization Process Mar 9, 2008 Abandoned
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