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] => 5536450 [patent_doc_number] => 20090218255 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-09-03 [patent_title] => 'RECYCLE OF OLEFINIC NAPHTHAS BY REMOVING AROMATICS' [patent_app_type] => utility [patent_app_number] => 12/039467 [patent_app_country] => US [patent_app_date] => 2008-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 13358 [patent_no_of_claims] => 22 [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/A1/0218/20090218255.pdf [firstpage_image] =>[orig_patent_app_number] => 12039467 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/039467
Recycle of olefinic naphthas by removing aromatics Feb 27, 2008 Issued
Array ( [id] => 4720385 [patent_doc_number] => 20080242908 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-02 [patent_title] => 'Recycle Of DME In An Oxygenate-To-Olefin Reaction System' [patent_app_type] => utility [patent_app_number] => 12/034425 [patent_app_country] => US [patent_app_date] => 2008-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 10071 [patent_no_of_claims] => 26 [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/A1/0242/20080242908.pdf [firstpage_image] =>[orig_patent_app_number] => 12034425 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/034425
Recycle of DME in an oxygenate-to-olefin reaction system Feb 19, 2008 Issued
Array ( [id] => 5480994 [patent_doc_number] => 20090203951 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-08-13 [patent_title] => 'Method and apparatus for capturing and using heat generated by the production of light olefins' [patent_app_type] => utility [patent_app_number] => 12/069474 [patent_app_country] => US [patent_app_date] => 2008-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3043 [patent_no_of_claims] => 18 [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/A1/0203/20090203951.pdf [firstpage_image] =>[orig_patent_app_number] => 12069474 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/069474
Method and apparatus for capturing and using heat generated by the production of light olefins Feb 10, 2008 Abandoned
Array ( [id] => 4955677 [patent_doc_number] => 20080188701 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-08-07 [patent_title] => 'Process for producing light olefins' [patent_app_type] => utility [patent_app_number] => 12/068343 [patent_app_country] => US [patent_app_date] => 2008-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2919 [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/A1/0188/20080188701.pdf [firstpage_image] =>[orig_patent_app_number] => 12068343 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/068343
Process for producing light olefins Feb 4, 2008 Abandoned
Array ( [id] => 4955676 [patent_doc_number] => 20080188700 [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] => 12/023459 [patent_app_country] => US [patent_app_date] => 2008-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 14947 [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/A1/0188/20080188700.pdf [firstpage_image] =>[orig_patent_app_number] => 12023459 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/023459
Method of separating condensed liquid from an olefin stream Jan 30, 2008 Issued
Array ( [id] => 4502614 [patent_doc_number] => 07919660 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-04-05 [patent_title] => 'Methods of converting methanol feedstock to olefins' [patent_app_type] => utility [patent_app_number] => 12/004843 [patent_app_country] => US [patent_app_date] => 2007-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2425 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/919/07919660.pdf [firstpage_image] =>[orig_patent_app_number] => 12004843 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/004843
Methods of converting methanol feedstock to olefins Dec 20, 2007 Issued
Array ( [id] => 4753548 [patent_doc_number] => 20080161624 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-07-03 [patent_title] => 'Fluidized Bed Reactor with Back-Mixing for Dehydrogenation of Light Paraffins' [patent_app_type] => utility [patent_app_number] => 11/954153 [patent_app_country] => US [patent_app_date] => 2007-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3617 [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/A1/0161/20080161624.pdf [firstpage_image] =>[orig_patent_app_number] => 11954153 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/954153
Fluidized bed reactor with back-mixing for dehydrogenation of light paraffins Dec 10, 2007 Issued
Array ( [id] => 5423231 [patent_doc_number] => 20090149687 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-06-11 [patent_title] => 'Propylene recovery during regeneration of an oxygenate removal unit' [patent_app_type] => utility [patent_app_number] => 12/001432 [patent_app_country] => US [patent_app_date] => 2007-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2591 [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/A1/0149/20090149687.pdf [firstpage_image] =>[orig_patent_app_number] => 12001432 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/001432
Propylene recovery during regeneration of an oxygenate removal unit Dec 10, 2007 Issued
Array ( [id] => 4728430 [patent_doc_number] => 20080207974 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-08-28 [patent_title] => 'Process for Decoking a Furnace for Cracking a Hydrocarbon Feed' [patent_app_type] => utility [patent_app_number] => 11/953307 [patent_app_country] => US [patent_app_date] => 2007-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5385 [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/A1/0207/20080207974.pdf [firstpage_image] =>[orig_patent_app_number] => 11953307 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/953307
Process for decoking a furnace for cracking a hydrocarbon feed Dec 9, 2007 Issued
Array ( [id] => 4939630 [patent_doc_number] => 20080076949 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-03-27 [patent_title] => 'PROCESS FOR THE PRODUCTION OF COMPRESSION IGNITION ENGINE, GAS TURBINE, AND FUEL CELL FUEL AND COMPRESSION IGNITION ENGINE, GAS TURBINE, AND FUEL CELL FUEL BY SAID PROCESS' [patent_app_type] => utility [patent_app_number] => 11/945161 [patent_app_country] => US [patent_app_date] => 2007-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3607 [patent_no_of_claims] => 8 [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/A1/0076/20080076949.pdf [firstpage_image] =>[orig_patent_app_number] => 11945161 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/945161
PROCESS FOR THE PRODUCTION OF COMPRESSION IGNITION ENGINE, GAS TURBINE, AND FUEL CELL FUEL AND COMPRESSION IGNITION ENGINE, GAS TURBINE, AND FUEL CELL FUEL BY SAID PROCESS Nov 25, 2007 Abandoned
Array ( [id] => 4935308 [patent_doc_number] => 20080072620 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-03-27 [patent_title] => 'TREATING OF A CRUDE CONTAINING NATURAL GAS' [patent_app_type] => utility [patent_app_number] => 11/942497 [patent_app_country] => US [patent_app_date] => 2007-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2194 [patent_no_of_claims] => 19 [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/A1/0072/20080072620.pdf [firstpage_image] =>[orig_patent_app_number] => 11942497 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/942497
Treating of a crude containing natural gas Nov 18, 2007 Issued
Array ( [id] => 4611700 [patent_doc_number] => 07988747 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-08-02 [patent_title] => 'Production of low sulphur alkylate gasoline fuel' [patent_app_type] => utility [patent_app_number] => 11/932533 [patent_app_country] => US [patent_app_date] => 2007-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4670 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/988/07988747.pdf [firstpage_image] =>[orig_patent_app_number] => 11932533 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/932533
Production of low sulphur alkylate gasoline fuel Oct 30, 2007 Issued
Array ( [id] => 4761720 [patent_doc_number] => 20080172929 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-07-24 [patent_title] => 'PREPARATION OF COMPONENTS FOR REFINERY BLENDING OF TRANSPORTATION FUELS' [patent_app_type] => utility [patent_app_number] => 11/869763 [patent_app_country] => US [patent_app_date] => 2007-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 7346 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0172/20080172929.pdf [firstpage_image] =>[orig_patent_app_number] => 11869763 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/869763
PREPARATION OF COMPONENTS FOR REFINERY BLENDING OF TRANSPORTATION FUELS Oct 9, 2007 Abandoned
Array ( [id] => 110742 [patent_doc_number] => 07718052 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-05-18 [patent_title] => 'Hydrocarbon cracking in a multi-zone cracking furnace' [patent_app_type] => utility [patent_app_number] => 11/973606 [patent_app_country] => US [patent_app_date] => 2007-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2958 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/718/07718052.pdf [firstpage_image] =>[orig_patent_app_number] => 11973606 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/973606
Hydrocarbon cracking in a multi-zone cracking furnace Oct 8, 2007 Issued
Array ( [id] => 4742977 [patent_doc_number] => 20080087578 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-04-17 [patent_title] => 'METHODS FOR PRODUCING A CRUDE PRODUCT AND COMPOSITIONS THEREOF' [patent_app_type] => utility [patent_app_number] => 11/866909 [patent_app_country] => US [patent_app_date] => 2007-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 41375 [patent_no_of_claims] => 87 [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/A1/0087/20080087578.pdf [firstpage_image] =>[orig_patent_app_number] => 11866909 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/866909
METHODS FOR PRODUCING A CRUDE PRODUCT AND COMPOSITIONS THEREOF Oct 2, 2007 Abandoned
Array ( [id] => 4690887 [patent_doc_number] => 20080083657 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-04-10 [patent_title] => 'ISOMERIZATION PROCESS USING METAL-MODIFIED SMALL CRYSTALLITE MTT MOLECULAR SIEVE' [patent_app_type] => utility [patent_app_number] => 11/866281 [patent_app_country] => US [patent_app_date] => 2007-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 8882 [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/A1/0083/20080083657.pdf [firstpage_image] =>[orig_patent_app_number] => 11866281 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/866281
ISOMERIZATION PROCESS USING METAL-MODIFIED SMALL CRYSTALLITE MTT MOLECULAR SIEVE Oct 1, 2007 Abandoned
Array ( [id] => 4572478 [patent_doc_number] => 07858787 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-12-28 [patent_title] => 'Process for producing olefins' [patent_app_type] => utility [patent_app_number] => 11/857011 [patent_app_country] => US [patent_app_date] => 2007-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4770 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 265 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/858/07858787.pdf [firstpage_image] =>[orig_patent_app_number] => 11857011 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/857011
Process for producing olefins Sep 17, 2007 Issued
Array ( [id] => 4918800 [patent_doc_number] => 20080067110 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-03-20 [patent_title] => 'Method and apparatus for improving the oxidative thermal stability of distillate fuel' [patent_app_type] => utility [patent_app_number] => 11/898716 [patent_app_country] => US [patent_app_date] => 2007-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 7808 [patent_no_of_claims] => 12 [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/A1/0067/20080067110.pdf [firstpage_image] =>[orig_patent_app_number] => 11898716 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/898716
Method and apparatus for improving the oxidative thermal stability of distillate fuel Sep 13, 2007 Abandoned
Array ( [id] => 4575082 [patent_doc_number] => 07829751 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-11-09 [patent_title] => 'Processes for converting oxygenates to olefins using aluminosilicate catalysts' [patent_app_type] => utility [patent_app_number] => 11/855476 [patent_app_country] => US [patent_app_date] => 2007-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12668 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/829/07829751.pdf [firstpage_image] =>[orig_patent_app_number] => 11855476 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/855476
Processes for converting oxygenates to olefins using aluminosilicate catalysts Sep 13, 2007 Issued
Array ( [id] => 5449359 [patent_doc_number] => 20090065394 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-03-12 [patent_title] => 'Hydrocracking process for fabricating distillate from fisher-tropsch waxes' [patent_app_type] => utility [patent_app_number] => 11/899710 [patent_app_country] => US [patent_app_date] => 2007-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4011 [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/A1/0065/20090065394.pdf [firstpage_image] =>[orig_patent_app_number] => 11899710 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/899710
Hydrocracking process for fabricating distillate from fisher-tropsch waxes Sep 6, 2007 Abandoned
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