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] => 7117825 [patent_doc_number] => 20010001450 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-05-24 [patent_title] => 'MULTI-STAGE COUNTERCURRENT HYDROTREATING PROCESS' [patent_app_type] => new-utility [patent_app_number] => 09/006734 [patent_app_country] => US [patent_app_date] => 1998-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5202 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0001/20010001450.pdf [firstpage_image] =>[orig_patent_app_number] => 09006734 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/006734
MULTI-STAGE COUNTERCURRENT HYDROTREATING PROCESS Jan 14, 1998 Abandoned
Array ( [id] => 4093161 [patent_doc_number] => 06133497 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-17 [patent_title] => 'Catalyst for removing olefins from aromatic compounds or mixtures thereof' [patent_app_type] => 1 [patent_app_number] => 8/930473 [patent_app_country] => US [patent_app_date] => 1998-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3285 [patent_no_of_claims] => 25 [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/06/133/06133497.pdf [firstpage_image] =>[orig_patent_app_number] => 930473 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/930473
Catalyst for removing olefins from aromatic compounds or mixtures thereof Jan 6, 1998 Issued
Array ( [id] => 4159166 [patent_doc_number] => 06107531 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-22 [patent_title] => 'Method for inhibiting hydrate formation' [patent_app_type] => 1 [patent_app_number] => 8/973110 [patent_app_country] => US [patent_app_date] => 1998-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4347 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/107/06107531.pdf [firstpage_image] =>[orig_patent_app_number] => 973110 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/973110
Method for inhibiting hydrate formation Jan 5, 1998 Issued
Array ( [id] => 3916603 [patent_doc_number] => 06002056 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-14 [patent_title] => 'Colorless petroleum markers' [patent_app_type] => 1 [patent_app_number] => 9/002952 [patent_app_country] => US [patent_app_date] => 1998-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4320 [patent_no_of_claims] => 41 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/002/06002056.pdf [firstpage_image] =>[orig_patent_app_number] => 002952 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/002952
Colorless petroleum markers Jan 4, 1998 Issued
Array ( [id] => 4093133 [patent_doc_number] => 06133495 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-17 [patent_title] => 'Process for producing .alpha.-olefin oligomer' [patent_app_type] => 1 [patent_app_number] => 8/952746 [patent_app_country] => US [patent_app_date] => 1998-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 15133 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/133/06133495.pdf [firstpage_image] =>[orig_patent_app_number] => 952746 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/952746
Process for producing .alpha.-olefin oligomer Jan 1, 1998 Issued
Array ( [id] => 4111993 [patent_doc_number] => 06057487 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-02 [patent_title] => 'Method for producing 2,6-DMN from mixed dimethylnaphthalenes by crystallization, adsorption and isomerization' [patent_app_type] => 1 [patent_app_number] => 9/000858 [patent_app_country] => US [patent_app_date] => 1997-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 5787 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/057/06057487.pdf [firstpage_image] =>[orig_patent_app_number] => 000858 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/000858
Method for producing 2,6-DMN from mixed dimethylnaphthalenes by crystallization, adsorption and isomerization Dec 29, 1997 Issued
Array ( [id] => 1360411 [patent_doc_number] => 06565742 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-05-20 [patent_title] => 'Aromatics separation process and method of retrofitting existing equipment for same' [patent_app_type] => B1 [patent_app_number] => 09/000579 [patent_app_country] => US [patent_app_date] => 1997-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5759 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/565/06565742.pdf [firstpage_image] =>[orig_patent_app_number] => 09000579 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/000579
Aromatics separation process and method of retrofitting existing equipment for same Dec 29, 1997 Issued
Array ( [id] => 3751760 [patent_doc_number] => 05843300 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-01 [patent_title] => 'Removal of organic sulfur compounds from FCC gasoline using regenerable adsorbents' [patent_app_type] => 1 [patent_app_number] => 8/998931 [patent_app_country] => US [patent_app_date] => 1997-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2806 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/843/05843300.pdf [firstpage_image] =>[orig_patent_app_number] => 998931 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/998931
Removal of organic sulfur compounds from FCC gasoline using regenerable adsorbents Dec 28, 1997 Issued
Array ( [id] => 3999273 [patent_doc_number] => 05888377 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-30 [patent_title] => 'Hydrocracking process startup method' [patent_app_type] => 1 [patent_app_number] => 8/994897 [patent_app_country] => US [patent_app_date] => 1997-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6556 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/888/05888377.pdf [firstpage_image] =>[orig_patent_app_number] => 994897 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/994897
Hydrocracking process startup method Dec 18, 1997 Issued
Array ( [id] => 4184765 [patent_doc_number] => 06042716 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-28 [patent_title] => 'Process for transforming a gas oil cut to produce a dearomatised and desulphurised fuel with a high cetane number' [patent_app_type] => 1 [patent_app_number] => 8/992486 [patent_app_country] => US [patent_app_date] => 1997-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3922 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 336 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/042/06042716.pdf [firstpage_image] =>[orig_patent_app_number] => 992486 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/992486
Process for transforming a gas oil cut to produce a dearomatised and desulphurised fuel with a high cetane number Dec 17, 1997 Issued
Array ( [id] => 3982560 [patent_doc_number] => 05948950 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-07 [patent_title] => 'Process for separating para-xylene, comprising an adsorption step with injection of water and a crystallization step' [patent_app_type] => 1 [patent_app_number] => 8/992968 [patent_app_country] => US [patent_app_date] => 1997-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4924 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/948/05948950.pdf [firstpage_image] =>[orig_patent_app_number] => 992968 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/992968
Process for separating para-xylene, comprising an adsorption step with injection of water and a crystallization step Dec 17, 1997 Issued
Array ( [id] => 4125169 [patent_doc_number] => 06033643 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-07 [patent_title] => 'Zeolite SSZ-45' [patent_app_type] => 1 [patent_app_number] => 8/992404 [patent_app_country] => US [patent_app_date] => 1997-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10403 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/033/06033643.pdf [firstpage_image] =>[orig_patent_app_number] => 992404 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/992404
Zeolite SSZ-45 Dec 16, 1997 Issued
08/991279 SELECTIVE ADSORPTION PROCESS FOR RESID UPGRADING Dec 15, 1997 Abandoned
Array ( [id] => 4107748 [patent_doc_number] => 06045689 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-04 [patent_title] => 'Process for catalytic conversion of hydrocarbons into aromatic compounds with a catalyst containing silicon' [patent_app_type] => 1 [patent_app_number] => 8/973402 [patent_app_country] => US [patent_app_date] => 1997-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13544 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/045/06045689.pdf [firstpage_image] =>[orig_patent_app_number] => 973402 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/973402
Process for catalytic conversion of hydrocarbons into aromatic compounds with a catalyst containing silicon Dec 14, 1997 Issued
Array ( [id] => 4057769 [patent_doc_number] => 06007700 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-28 [patent_title] => 'Process for the catalyst conversion of hydrocarbons into aromatics using a catalyst containing at least one doping metal chosen from the group consisting of titanium, zirconium, hafnium, cobalt, nickel, zinc, and/or the lanthanides' [patent_app_type] => 1 [patent_app_number] => 8/973404 [patent_app_country] => US [patent_app_date] => 1997-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8193 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/007/06007700.pdf [firstpage_image] =>[orig_patent_app_number] => 973404 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/973404
Process for the catalyst conversion of hydrocarbons into aromatics using a catalyst containing at least one doping metal chosen from the group consisting of titanium, zirconium, hafnium, cobalt, nickel, zinc, and/or the lanthanides Dec 14, 1997 Issued
Array ( [id] => 4210762 [patent_doc_number] => 06028237 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-02-22 [patent_title] => 'Synthesis of cyclopropylacetylene' [patent_app_type] => 1 [patent_app_number] => 8/990471 [patent_app_country] => US [patent_app_date] => 1997-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7179 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/028/06028237.pdf [firstpage_image] =>[orig_patent_app_number] => 990471 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/990471
Synthesis of cyclopropylacetylene Dec 14, 1997 Issued
Array ( [id] => 4039747 [patent_doc_number] => 05968345 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-19 [patent_title] => 'Process for the catalytic conversion of hydrocarbons into aromatic compounds using a catalyst containing alkali of alkaline-earth metals' [patent_app_type] => 1 [patent_app_number] => 8/973406 [patent_app_country] => US [patent_app_date] => 1997-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6781 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/968/05968345.pdf [firstpage_image] =>[orig_patent_app_number] => 973406 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/973406
Process for the catalytic conversion of hydrocarbons into aromatic compounds using a catalyst containing alkali of alkaline-earth metals Dec 14, 1997 Issued
Array ( [id] => 3797994 [patent_doc_number] => 05853569 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-29 [patent_title] => 'Method for manufacturing a process oil with improved solvency' [patent_app_type] => 1 [patent_app_number] => 8/988416 [patent_app_country] => US [patent_app_date] => 1997-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2867 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/853/05853569.pdf [firstpage_image] =>[orig_patent_app_number] => 988416 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/988416
Method for manufacturing a process oil with improved solvency Dec 9, 1997 Issued
08/988287 DEWAXING PROCESS Dec 9, 1997 Abandoned
Array ( [id] => 4090238 [patent_doc_number] => 06018089 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-25 [patent_title] => 'Process for separating linear internal olefins from branched internal olefins' [patent_app_type] => 1 [patent_app_number] => 8/987554 [patent_app_country] => US [patent_app_date] => 1997-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3243 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/018/06018089.pdf [firstpage_image] =>[orig_patent_app_number] => 987554 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/987554
Process for separating linear internal olefins from branched internal olefins Dec 8, 1997 Issued
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