Search

Walter Dean Griffin

Supervisory Patent Examiner (ID: 12156, Phone: (571)272-1447 , Office: P/1774 )

Most Active Art Unit
1764
Art Unit(s)
1797, 1754, 1109, 1106, 1764, 1774
Total Applications
1405
Issued Applications
856
Pending Applications
234
Abandoned Applications
315

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 4160964 [patent_doc_number] => 06156947 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-05 [patent_title] => 'Process for the production of butene-1 from a mixture of C.sub.4 olefins' [patent_app_type] => 1 [patent_app_number] => 9/340622 [patent_app_country] => US [patent_app_date] => 1999-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5973 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/156/06156947.pdf [firstpage_image] =>[orig_patent_app_number] => 340622 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/340622
Process for the production of butene-1 from a mixture of C.sub.4 olefins Jun 27, 1999 Issued
09/339130 PROCESS FOR THE DESULFURIZATION OF A DIESEL FRACTION Jun 23, 1999 Abandoned
Array ( [id] => 4251439 [patent_doc_number] => 06137022 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-24 [patent_title] => 'Process for increasing the selectivity of a reaction to convert oxygenates to olefins' [patent_app_type] => 1 [patent_app_number] => 9/333278 [patent_app_country] => US [patent_app_date] => 1999-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3779 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/137/06137022.pdf [firstpage_image] =>[orig_patent_app_number] => 333278 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/333278
Process for increasing the selectivity of a reaction to convert oxygenates to olefins Jun 14, 1999 Issued
Array ( [id] => 4255410 [patent_doc_number] => 06207870 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-03-27 [patent_title] => 'Catalyst based on a noble group VIII metal containing silicon and possibly boron, and its use in hydrotreating hydrocarbon-containing feeds' [patent_app_type] => 1 [patent_app_number] => 9/305480 [patent_app_country] => US [patent_app_date] => 1999-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6981 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/207/06207870.pdf [firstpage_image] =>[orig_patent_app_number] => 305480 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/305480
Catalyst based on a noble group VIII metal containing silicon and possibly boron, and its use in hydrotreating hydrocarbon-containing feeds May 5, 1999 Issued
Array ( [id] => 1371971 [patent_doc_number] => 06554994 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-04-29 [patent_title] => 'Upflow reactor system with layered catalyst bed for hydrotreating heavy feedstocks' [patent_app_type] => B1 [patent_app_number] => 09/290448 [patent_app_country] => US [patent_app_date] => 1999-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5959 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/554/06554994.pdf [firstpage_image] =>[orig_patent_app_number] => 09290448 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/290448
Upflow reactor system with layered catalyst bed for hydrotreating heavy feedstocks Apr 12, 1999 Issued
09/290011 METHOD OF PRODUCING OLEFINS AND FEEDSTOCKS FOR USE IN OLEFIN PRODUCTION FROM CRUDE OIL HAVING LOW PENTANE INSOLUBLES AND HIGH HYDROGEN CONTENT Apr 11, 1999 Abandoned
09/266901 BLENDING OF ECONOMIC, REDUCED OXYGEN, SUMMER GASOLINE Mar 11, 1999 Abandoned
Array ( [id] => 4421004 [patent_doc_number] => 06194622 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-27 [patent_title] => 'Method for inhibiting hydrate formation' [patent_app_type] => 1 [patent_app_number] => 9/266387 [patent_app_country] => US [patent_app_date] => 1999-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6206 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/194/06194622.pdf [firstpage_image] =>[orig_patent_app_number] => 266387 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/266387
Method for inhibiting hydrate formation Mar 10, 1999 Issued
Array ( [id] => 4208420 [patent_doc_number] => 06077985 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-06-20 [patent_title] => 'Integrated deethanizer/ethylene fractionation column' [patent_app_type] => 1 [patent_app_number] => 9/266214 [patent_app_country] => US [patent_app_date] => 1999-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3335 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/077/06077985.pdf [firstpage_image] =>[orig_patent_app_number] => 266214 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/266214
Integrated deethanizer/ethylene fractionation column Mar 9, 1999 Issued
09/267119 ADSORPTIVE MONOLITH INCLUDING ACTIVATED CARBON, METHOD FOR MAKING SAID MONOLITH, AND METHOD FOR ADSORBING CHEMICAL AGENTS FROM FLUID STREAMS Mar 9, 1999 Abandoned
Array ( [id] => 4189023 [patent_doc_number] => 06160192 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-12 [patent_title] => 'Steam cracking installation and method with single controlled injection of solid particles in a quenching exchanger' [patent_app_type] => 1 [patent_app_number] => 9/202787 [patent_app_country] => US [patent_app_date] => 1999-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 4437 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/160/06160192.pdf [firstpage_image] =>[orig_patent_app_number] => 202787 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/202787
Steam cracking installation and method with single controlled injection of solid particles in a quenching exchanger Mar 7, 1999 Issued
09/263037 SELECTIVE ADSORPTION PROCESS FOR RESID UPGRADING (LAW815) Mar 4, 1999 Abandoned
09/256068 PROCESS FOR CATALYTIC DEWAXING AND CATALYTIC CRACKING OF HYDROCARBON STREAMS Feb 23, 1999 Abandoned
Array ( [id] => 4339641 [patent_doc_number] => 06333442 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-12-25 [patent_title] => 'Process for the preparation of an aliphatic alkylate with a high octane number from a C4 cracking fraction' [patent_app_type] => 1 [patent_app_number] => 9/256185 [patent_app_country] => US [patent_app_date] => 1999-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4001 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/333/06333442.pdf [firstpage_image] =>[orig_patent_app_number] => 256185 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/256185
Process for the preparation of an aliphatic alkylate with a high octane number from a C4 cracking fraction Feb 23, 1999 Issued
09/230013 POLYMERISATION INHIBITOR Feb 21, 1999 Abandoned
Array ( [id] => 4299163 [patent_doc_number] => 06184428 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-06 [patent_title] => 'Catalyst and process for ethylene oligomerization' [patent_app_type] => 1 [patent_app_number] => 9/251540 [patent_app_country] => US [patent_app_date] => 1999-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3660 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/184/06184428.pdf [firstpage_image] =>[orig_patent_app_number] => 251540 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/251540
Catalyst and process for ethylene oligomerization Feb 16, 1999 Issued
Array ( [id] => 4099729 [patent_doc_number] => 06096937 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-01 [patent_title] => 'Process for dehydrogenation of ethylbenzene to styrene' [patent_app_type] => 1 [patent_app_number] => 9/195179 [patent_app_country] => US [patent_app_date] => 1999-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1692 [patent_no_of_claims] => 6 [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/06/096/06096937.pdf [firstpage_image] =>[orig_patent_app_number] => 195179 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/195179
Process for dehydrogenation of ethylbenzene to styrene Feb 7, 1999 Issued
Array ( [id] => 4295452 [patent_doc_number] => 06235961 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-22 [patent_title] => 'Process for pretreating cracked gas before caustic tower treatment in ehtylene plants' [patent_app_type] => 1 [patent_app_number] => 9/239656 [patent_app_country] => US [patent_app_date] => 1999-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6582 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/235/06235961.pdf [firstpage_image] =>[orig_patent_app_number] => 239656 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/239656
Process for pretreating cracked gas before caustic tower treatment in ehtylene plants Jan 28, 1999 Issued
09/240060 BLENDING OF ECONOMIC, REDUCED OXYGEN, SUMMER GASOLINE Jan 28, 1999 Abandoned
Array ( [id] => 4146866 [patent_doc_number] => 06123830 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-09-26 [patent_title] => 'Integrated staged catalytic cracking and staged hydroprocessing process' [patent_app_type] => 1 [patent_app_number] => 9/222863 [patent_app_country] => US [patent_app_date] => 1998-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 7185 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 335 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/123/06123830.pdf [firstpage_image] =>[orig_patent_app_number] => 222863 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/222863
Integrated staged catalytic cracking and staged hydroprocessing process Dec 29, 1998 Issued
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