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] => 5066124 [patent_doc_number] => 20070187225 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-08-16 [patent_title] => 'Method for process water treatment in olefin plants' [patent_app_type] => utility [patent_app_number] => 11/638706 [patent_app_country] => US [patent_app_date] => 2006-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1457 [patent_no_of_claims] => 7 [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/A1/0187/20070187225.pdf [firstpage_image] =>[orig_patent_app_number] => 11638706 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/638706
Method for process water treatment in olefin plants Dec 13, 2006 Abandoned
Array ( [id] => 4782123 [patent_doc_number] => 20080135452 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-06-12 [patent_title] => 'Hydrocarbon cracking' [patent_app_type] => utility [patent_app_number] => 11/635324 [patent_app_country] => US [patent_app_date] => 2006-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2982 [patent_no_of_claims] => 9 [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/A1/0135/20080135452.pdf [firstpage_image] =>[orig_patent_app_number] => 11635324 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/635324
Hydrocarbon cracking Dec 6, 2006 Abandoned
Array ( [id] => 4928144 [patent_doc_number] => 20080167507 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-07-10 [patent_title] => 'FORMATION OF SUBSTANCES BY MECHANICAL BREAKING OF CARBON-CARBON CHAINS MOLECULES' [patent_app_type] => utility [patent_app_number] => 11/567263 [patent_app_country] => US [patent_app_date] => 2006-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4434 [patent_no_of_claims] => 64 [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/A1/0167/20080167507.pdf [firstpage_image] =>[orig_patent_app_number] => 11567263 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/567263
Formation of substances by mechanical breaking of carbon-carbon chains molecules Dec 5, 2006 Issued
Array ( [id] => 4782121 [patent_doc_number] => 20080135450 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-06-12 [patent_title] => 'INTEGRATED UNSUPPORTED SLURRY CATALYST PRECONDITIONING PROCESS' [patent_app_type] => utility [patent_app_number] => 11/567652 [patent_app_country] => US [patent_app_date] => 2006-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1823 [patent_no_of_claims] => 19 [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/A1/0135/20080135450.pdf [firstpage_image] =>[orig_patent_app_number] => 11567652 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/567652
Integrated unsupported slurry catalyst preconditioning process Dec 5, 2006 Issued
Array ( [id] => 273855 [patent_doc_number] => 07560019 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-07-14 [patent_title] => 'System and method for extending the range of hydrocarbon feeds in gas crackers' [patent_app_type] => utility [patent_app_number] => 11/633823 [patent_app_country] => US [patent_app_date] => 2006-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 9888 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/560/07560019.pdf [firstpage_image] =>[orig_patent_app_number] => 11633823 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/633823
System and method for extending the range of hydrocarbon feeds in gas crackers Dec 4, 2006 Issued
Array ( [id] => 7534673 [patent_doc_number] => 08048295 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-11-01 [patent_title] => 'Process for decreasing bromine-reactive contaminants in hydrocarbon feeds' [patent_app_type] => utility [patent_app_number] => 11/633971 [patent_app_country] => US [patent_app_date] => 2006-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5061 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/048/08048295.pdf [firstpage_image] =>[orig_patent_app_number] => 11633971 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/633971
Process for decreasing bromine-reactive contaminants in hydrocarbon feeds Dec 4, 2006 Issued
Array ( [id] => 4828442 [patent_doc_number] => 20080128323 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-06-05 [patent_title] => 'Controlling tar by quenching cracked effluent from a liquid fed gas cracker' [patent_app_type] => utility [patent_app_number] => 11/633975 [patent_app_country] => US [patent_app_date] => 2006-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 10277 [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/A1/0128/20080128323.pdf [firstpage_image] =>[orig_patent_app_number] => 11633975 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/633975
Controlling tar by quenching cracked effluent from a liquid fed gas cracker Dec 4, 2006 Issued
Array ( [id] => 5559091 [patent_doc_number] => 20090270668 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-10-29 [patent_title] => 'Process for Producing Olefins' [patent_app_type] => utility [patent_app_number] => 12/085707 [patent_app_country] => US [patent_app_date] => 2006-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 9224 [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/A1/0270/20090270668.pdf [firstpage_image] =>[orig_patent_app_number] => 12085707 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/085707
Process for Producing Olefins Nov 21, 2006 Abandoned
Array ( [id] => 4720386 [patent_doc_number] => 20080242909 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-02 [patent_title] => 'Process for the Production of High-Octane Hydrocarbon Compounds by the Selective Dimerization of Isobutene Contained in a Stream Which Also Contains C5 Hydrocarbons' [patent_app_type] => utility [patent_app_number] => 12/090398 [patent_app_country] => US [patent_app_date] => 2006-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4067 [patent_no_of_claims] => 21 [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/A1/0242/20080242909.pdf [firstpage_image] =>[orig_patent_app_number] => 12090398 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/090398
Process for the production of high-octane hydrocarbon compounds by the selective dimerization of isobutene contained in a stream which also contains C5 hydrocarbons Nov 13, 2006 Issued
Array ( [id] => 5561207 [patent_doc_number] => 20090134059 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-05-28 [patent_title] => 'Very Low Sulfur Heavy Crude oil and Porcess for the Production thereof' [patent_app_type] => utility [patent_app_number] => 12/084094 [patent_app_country] => US [patent_app_date] => 2006-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6923 [patent_no_of_claims] => 71 [patent_no_of_ind_claims] => 23 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0134/20090134059.pdf [firstpage_image] =>[orig_patent_app_number] => 12084094 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/084094
Very Low Sulfur Heavy Crude oil and Porcess for the Production thereof Nov 6, 2006 Abandoned
Array ( [id] => 4966287 [patent_doc_number] => 20080109107 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-05-08 [patent_title] => 'Method of performing a decoking cycle' [patent_app_type] => utility [patent_app_number] => 11/592572 [patent_app_country] => US [patent_app_date] => 2006-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3330 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0109/20080109107.pdf [firstpage_image] =>[orig_patent_app_number] => 11592572 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/592572
Method of performing a decoking cycle Nov 2, 2006 Abandoned
Array ( [id] => 4890276 [patent_doc_number] => 20080099372 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-05-01 [patent_title] => 'Deasphalting tar using stripping tower' [patent_app_type] => utility [patent_app_number] => 11/589454 [patent_app_country] => US [patent_app_date] => 2006-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3912 [patent_no_of_claims] => 15 [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/A1/0099/20080099372.pdf [firstpage_image] =>[orig_patent_app_number] => 11589454 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/589454
Deasphalting tar using stripping tower Oct 29, 2006 Issued
Array ( [id] => 4890275 [patent_doc_number] => 20080099371 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-05-01 [patent_title] => 'Process for upgrading tar' [patent_app_type] => utility [patent_app_number] => 11/589453 [patent_app_country] => US [patent_app_date] => 2006-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6799 [patent_no_of_claims] => 24 [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/A1/0099/20080099371.pdf [firstpage_image] =>[orig_patent_app_number] => 11589453 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/589453
Process for upgrading tar Oct 29, 2006 Issued
Array ( [id] => 4516833 [patent_doc_number] => 07932424 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-04-26 [patent_title] => 'Method for catalytically cracking waste plastics and apparatus for catalytically cracking waste plastics' [patent_app_type] => utility [patent_app_number] => 11/588378 [patent_app_country] => US [patent_app_date] => 2006-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 32 [patent_no_of_words] => 14423 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 292 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/932/07932424.pdf [firstpage_image] =>[orig_patent_app_number] => 11588378 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/588378
Method for catalytically cracking waste plastics and apparatus for catalytically cracking waste plastics Oct 26, 2006 Issued
Array ( [id] => 310701 [patent_doc_number] => 07527724 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2009-05-05 [patent_title] => 'Process for desulfurization of hydrocarbons' [patent_app_type] => utility [patent_app_number] => 11/551340 [patent_app_country] => US [patent_app_date] => 2006-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3134 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/527/07527724.pdf [firstpage_image] =>[orig_patent_app_number] => 11551340 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/551340
Process for desulfurization of hydrocarbons Oct 19, 2006 Issued
Array ( [id] => 5031185 [patent_doc_number] => 20070095724 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-05-03 [patent_title] => 'FCC process for the maximization of medium distillates' [patent_app_type] => utility [patent_app_number] => 11/545443 [patent_app_country] => US [patent_app_date] => 2006-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4454 [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/A1/0095/20070095724.pdf [firstpage_image] =>[orig_patent_app_number] => 11545443 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/545443
FCC process for the maximization of medium distillates Oct 10, 2006 Abandoned
Array ( [id] => 4546322 [patent_doc_number] => 07820034 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-10-26 [patent_title] => 'Diluent from heavy oil upgrading' [patent_app_type] => utility [patent_app_number] => 11/544992 [patent_app_country] => US [patent_app_date] => 2006-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6041 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/820/07820034.pdf [firstpage_image] =>[orig_patent_app_number] => 11544992 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/544992
Diluent from heavy oil upgrading Oct 8, 2006 Issued
Array ( [id] => 5194584 [patent_doc_number] => 20070083068 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-04-12 [patent_title] => 'Method of Recycling A Recylable Plastic' [patent_app_type] => utility [patent_app_number] => 11/539395 [patent_app_country] => US [patent_app_date] => 2006-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7397 [patent_no_of_claims] => 39 [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/A1/0083/20070083068.pdf [firstpage_image] =>[orig_patent_app_number] => 11539395 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/539395
Method of recycling a recyclable plastic Oct 5, 2006 Issued
Array ( [id] => 4944609 [patent_doc_number] => 20080081936 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-04-03 [patent_title] => 'Integrated processing of methanol to olefins' [patent_app_type] => utility [patent_app_number] => 11/540802 [patent_app_country] => US [patent_app_date] => 2006-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7052 [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/A1/0081/20080081936.pdf [firstpage_image] =>[orig_patent_app_number] => 11540802 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/540802
Integrated processing of methanol to olefins Sep 28, 2006 Abandoned
Array ( [id] => 142376 [patent_doc_number] => 07687677 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2010-03-30 [patent_title] => 'Process for recovering thermal energy from a reactor effluent stream' [patent_app_type] => utility [patent_app_number] => 11/541157 [patent_app_country] => US [patent_app_date] => 2006-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 9192 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/687/07687677.pdf [firstpage_image] =>[orig_patent_app_number] => 11541157 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/541157
Process for recovering thermal energy from a reactor effluent stream Sep 28, 2006 Issued
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