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] => 4000692 [patent_doc_number] => 05922924 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-13 [patent_title] => 'Process for the separation of p-xylene in C.sub.8 aromatic hydrocarbons with a simulated moving bed adsorption and a crystallization' [patent_app_type] => 1 [patent_app_number] => 8/761199 [patent_app_country] => US [patent_app_date] => 1996-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 7939 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/922/05922924.pdf [firstpage_image] =>[orig_patent_app_number] => 761199 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/761199
Process for the separation of p-xylene in C.sub.8 aromatic hydrocarbons with a simulated moving bed adsorption and a crystallization Dec 5, 1996 Issued
Array ( [id] => 3918665 [patent_doc_number] => 05951849 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-14 [patent_title] => 'Resid hydroprocessing method utilizing a metal-impregnated, carbonaceous particle catalyst' [patent_app_type] => 1 [patent_app_number] => 8/761746 [patent_app_country] => US [patent_app_date] => 1996-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6798 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/951/05951849.pdf [firstpage_image] =>[orig_patent_app_number] => 761746 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/761746
Resid hydroprocessing method utilizing a metal-impregnated, carbonaceous particle catalyst Dec 4, 1996 Issued
Array ( [id] => 4299188 [patent_doc_number] => 06184430 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-06 [patent_title] => 'Hydrocracking and hydroisomerization of long-chain alkanes and polyolefins over metal-promoted anion-modified transition metal oxides' [patent_app_type] => 1 [patent_app_number] => 8/761764 [patent_app_country] => US [patent_app_date] => 1996-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 7061 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/184/06184430.pdf [firstpage_image] =>[orig_patent_app_number] => 761764 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/761764
Hydrocracking and hydroisomerization of long-chain alkanes and polyolefins over metal-promoted anion-modified transition metal oxides Dec 4, 1996 Issued
Array ( [id] => 3932005 [patent_doc_number] => 05871635 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-16 [patent_title] => 'Hydroprocessing of petroleum fractions with a dual catalyst system' [patent_app_type] => 1 [patent_app_number] => 8/753857 [patent_app_country] => US [patent_app_date] => 1996-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3628 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/871/05871635.pdf [firstpage_image] =>[orig_patent_app_number] => 753857 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/753857
Hydroprocessing of petroleum fractions with a dual catalyst system Dec 2, 1996 Issued
Array ( [id] => 3861963 [patent_doc_number] => 05792897 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-08-11 [patent_title] => 'Hydrocardon recovery from corrosive effluent stream' [patent_app_type] => 1 [patent_app_number] => 8/756569 [patent_app_country] => US [patent_app_date] => 1996-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 8847 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 345 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/792/05792897.pdf [firstpage_image] =>[orig_patent_app_number] => 756569 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/756569
Hydrocardon recovery from corrosive effluent stream Nov 25, 1996 Issued
Array ( [id] => 4101911 [patent_doc_number] => 06022472 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-02-08 [patent_title] => 'Steam cracking of hydrocarbons in the presence of thiohydrocarbons' [patent_app_type] => 1 [patent_app_number] => 8/754485 [patent_app_country] => US [patent_app_date] => 1996-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2167 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/022/06022472.pdf [firstpage_image] =>[orig_patent_app_number] => 754485 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/754485
Steam cracking of hydrocarbons in the presence of thiohydrocarbons Nov 21, 1996 Issued
Array ( [id] => 3775930 [patent_doc_number] => 05820749 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-13 [patent_title] => 'Hydrogenation process for unsaturated hydrocarbons' [patent_app_type] => 1 [patent_app_number] => 8/755267 [patent_app_country] => US [patent_app_date] => 1996-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 6601 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/820/05820749.pdf [firstpage_image] =>[orig_patent_app_number] => 755267 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/755267
Hydrogenation process for unsaturated hydrocarbons Nov 21, 1996 Issued
08/750013 FCC CATALYST COMPRISING COATED ZEOLITE PARTICLES Nov 20, 1996 Abandoned
Array ( [id] => 3767215 [patent_doc_number] => 05807474 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-15 [patent_title] => 'Process for the preparation of catalysts and for cracking mineral oil fractions' [patent_app_type] => 1 [patent_app_number] => 8/754393 [patent_app_country] => US [patent_app_date] => 1996-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2828 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/807/05807474.pdf [firstpage_image] =>[orig_patent_app_number] => 754393 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/754393
Process for the preparation of catalysts and for cracking mineral oil fractions Nov 20, 1996 Issued
08/747949 SURFACE ACTIVE AGENTS AS GAS HYDRATE INHIBITORS Nov 11, 1996 Abandoned
Array ( [id] => 3736825 [patent_doc_number] => 05800696 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-01 [patent_title] => 'Method for inhibiting the rate of coke formation during the zeolite catalyzed aromatization of hydrocarbons' [patent_app_type] => 1 [patent_app_number] => 8/745527 [patent_app_country] => US [patent_app_date] => 1996-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2686 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/800/05800696.pdf [firstpage_image] =>[orig_patent_app_number] => 745527 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/745527
Method for inhibiting the rate of coke formation during the zeolite catalyzed aromatization of hydrocarbons Nov 11, 1996 Issued
08/748228 GAS SOLID CONTACT RISER WITH REDISTRIBUTION Nov 11, 1996 Abandoned
08/745670 PROCESS FOR SELECTIVELY HYDROGENATING SULFUR COMPOUNDS IN A HYDROCARBON STREAM Nov 7, 1996 Abandoned
08/745356 PROCESS FOR DEHYDROGENATION OF ETHYLBENZENE TO STYRENE Nov 7, 1996 Abandoned
Array ( [id] => 3962401 [patent_doc_number] => 05900519 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-05-04 [patent_title] => 'Catalytic process for the selective alkylation of polycyclic aromatic compounds' [patent_app_type] => 1 [patent_app_number] => 8/742555 [patent_app_country] => US [patent_app_date] => 1996-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15587 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/900/05900519.pdf [firstpage_image] =>[orig_patent_app_number] => 742555 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/742555
Catalytic process for the selective alkylation of polycyclic aromatic compounds Oct 27, 1996 Issued
Array ( [id] => 3808609 [patent_doc_number] => 05770045 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-23 [patent_title] => 'Modified riser-reactor reforming process' [patent_app_type] => 1 [patent_app_number] => 8/730191 [patent_app_country] => US [patent_app_date] => 1996-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 8669 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/770/05770045.pdf [firstpage_image] =>[orig_patent_app_number] => 730191 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/730191
Modified riser-reactor reforming process Oct 14, 1996 Issued
Array ( [id] => 4067246 [patent_doc_number] => 05866746 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-02 [patent_title] => 'Catalytic dehydroisomerization of C.sub.4 -C.sub.5 n-paraffins' [patent_app_type] => 1 [patent_app_number] => 8/728424 [patent_app_country] => US [patent_app_date] => 1996-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3225 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/866/05866746.pdf [firstpage_image] =>[orig_patent_app_number] => 728424 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/728424
Catalytic dehydroisomerization of C.sub.4 -C.sub.5 n-paraffins Oct 9, 1996 Issued
Array ( [id] => 3853403 [patent_doc_number] => 05792339 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-08-11 [patent_title] => 'Diesel fuel' [patent_app_type] => 1 [patent_app_number] => 8/722309 [patent_app_country] => US [patent_app_date] => 1996-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3187 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 13 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/792/05792339.pdf [firstpage_image] =>[orig_patent_app_number] => 722309 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/722309
Diesel fuel Oct 7, 1996 Issued
Array ( [id] => 3989532 [patent_doc_number] => 05922190 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-13 [patent_title] => 'Process for suppressing foam formation in a bubble column reactor' [patent_app_type] => 1 [patent_app_number] => 8/725485 [patent_app_country] => US [patent_app_date] => 1996-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 3391 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/922/05922190.pdf [firstpage_image] =>[orig_patent_app_number] => 725485 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/725485
Process for suppressing foam formation in a bubble column reactor Oct 3, 1996 Issued
Array ( [id] => 4040655 [patent_doc_number] => 05856613 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-01-05 [patent_title] => 'Method for producing .beta.-methylnaphthalene' [patent_app_type] => 1 [patent_app_number] => 8/719990 [patent_app_country] => US [patent_app_date] => 1996-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4445 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/856/05856613.pdf [firstpage_image] =>[orig_patent_app_number] => 719990 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/719990
Method for producing .beta.-methylnaphthalene Sep 24, 1996 Issued
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