Search

David Robertson

Examiner (ID: 3091)

Most Active Art Unit
2121
Art Unit(s)
2163, 2127, 3623, 2121
Total Applications
304
Issued Applications
193
Pending Applications
23
Abandoned Applications
92

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2550375 [patent_doc_number] => 04806563 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-02-21 [patent_title] => 'N-[4-O-hydroxyphenyl-1,3-dioxan-5-ylhexenoyl]sulphonamides' [patent_app_type] => 1 [patent_app_number] => 6/928454 [patent_app_country] => US [patent_app_date] => 1986-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5277 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/806/04806563.pdf [firstpage_image] =>[orig_patent_app_number] => 928454 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/928454
N-[4-O-hydroxyphenyl-1,3-dioxan-5-ylhexenoyl]sulphonamides Nov 9, 1986 Issued
Array ( [id] => 2555754 [patent_doc_number] => 04808737 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-02-28 [patent_title] => 'Process for producing 2-hydroxy-4-methyltetrahydropyran' [patent_app_type] => 1 [patent_app_number] => 6/921383 [patent_app_country] => US [patent_app_date] => 1986-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4905 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/808/04808737.pdf [firstpage_image] =>[orig_patent_app_number] => 921383 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/921383
Process for producing 2-hydroxy-4-methyltetrahydropyran Oct 21, 1986 Issued
Array ( [id] => 2413246 [patent_doc_number] => 04761491 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-08-02 [patent_title] => 'Preparation of 2-substituted-1,3-dioxacycloalkanes from diols and diunsaturated ethers' [patent_app_type] => 1 [patent_app_number] => 6/920633 [patent_app_country] => US [patent_app_date] => 1986-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3441 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/761/04761491.pdf [firstpage_image] =>[orig_patent_app_number] => 920633 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/920633
Preparation of 2-substituted-1,3-dioxacycloalkanes from diols and diunsaturated ethers Oct 19, 1986 Issued
Array ( [id] => 2496137 [patent_doc_number] => 04847391 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-07-11 [patent_title] => 'Process for preparing 2-(3-bromopropyl)-5,5-dimethyl-1,3-dioxane and 2-(4-bromobutyl-5,5-dimethyl-1,3-dioxane' [patent_app_type] => 1 [patent_app_number] => 6/919837 [patent_app_country] => US [patent_app_date] => 1986-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1231 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/847/04847391.pdf [firstpage_image] =>[orig_patent_app_number] => 919837 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/919837
Process for preparing 2-(3-bromopropyl)-5,5-dimethyl-1,3-dioxane and 2-(4-bromobutyl-5,5-dimethyl-1,3-dioxane Oct 15, 1986 Issued
Array ( [id] => 2518983 [patent_doc_number] => 04864045 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-09-05 [patent_title] => 'Production of aminoethyl hydrogen sulfate' [patent_app_type] => 1 [patent_app_number] => 6/899682 [patent_app_country] => US [patent_app_date] => 1986-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2863 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/864/04864045.pdf [firstpage_image] =>[orig_patent_app_number] => 899682 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/899682
Production of aminoethyl hydrogen sulfate Oct 1, 1986 Issued
Array ( [id] => 2518983 [patent_doc_number] => 04864045 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-09-05 [patent_title] => 'Production of aminoethyl hydrogen sulfate' [patent_app_type] => 1 [patent_app_number] => 6/899682 [patent_app_country] => US [patent_app_date] => 1986-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2863 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/864/04864045.pdf [firstpage_image] =>[orig_patent_app_number] => 899682 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/899682
Production of aminoethyl hydrogen sulfate Oct 1, 1986 Issued
Array ( [id] => 2518983 [patent_doc_number] => 04864045 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-09-05 [patent_title] => 'Production of aminoethyl hydrogen sulfate' [patent_app_type] => 1 [patent_app_number] => 6/899682 [patent_app_country] => US [patent_app_date] => 1986-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2863 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/864/04864045.pdf [firstpage_image] =>[orig_patent_app_number] => 899682 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/899682
Production of aminoethyl hydrogen sulfate Oct 1, 1986 Issued
Array ( [id] => 2518983 [patent_doc_number] => 04864045 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-09-05 [patent_title] => 'Production of aminoethyl hydrogen sulfate' [patent_app_type] => 1 [patent_app_number] => 6/899682 [patent_app_country] => US [patent_app_date] => 1986-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2863 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/864/04864045.pdf [firstpage_image] =>[orig_patent_app_number] => 899682 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/899682
Production of aminoethyl hydrogen sulfate Oct 1, 1986 Issued
Array ( [id] => 2388932 [patent_doc_number] => 04781865 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-11-01 [patent_title] => 'Phosphinated and phosphonated sulfonic acids' [patent_app_type] => 1 [patent_app_number] => 6/913023 [patent_app_country] => US [patent_app_date] => 1986-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4493 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/781/04781865.pdf [firstpage_image] =>[orig_patent_app_number] => 913023 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/913023
Phosphinated and phosphonated sulfonic acids Sep 28, 1986 Issued
Array ( [id] => 2560185 [patent_doc_number] => 04853475 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-08-01 [patent_title] => 'Process for synthesizing alkylene bisdithiocarbamates or the ammonia adducts thereof as well as mixtures that can be synthesized thereby' [patent_app_type] => 1 [patent_app_number] => 6/911364 [patent_app_country] => US [patent_app_date] => 1986-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2997 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/853/04853475.pdf [firstpage_image] =>[orig_patent_app_number] => 911364 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/911364
Process for synthesizing alkylene bisdithiocarbamates or the ammonia adducts thereof as well as mixtures that can be synthesized thereby Sep 24, 1986 Issued
Array ( [id] => 2512142 [patent_doc_number] => 04831171 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-05-16 [patent_title] => 'Process for synthesizing an ammonia complex of zinc bisdithiocarbamate' [patent_app_type] => 1 [patent_app_number] => 6/911365 [patent_app_country] => US [patent_app_date] => 1986-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1901 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/831/04831171.pdf [firstpage_image] =>[orig_patent_app_number] => 911365 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/911365
Process for synthesizing an ammonia complex of zinc bisdithiocarbamate Sep 24, 1986 Issued
Array ( [id] => 2644746 [patent_doc_number] => 04939293 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-03 [patent_title] => 'Sulfonated phenolic material and its use in post primary oil recovery' [patent_app_type] => 1 [patent_app_number] => 6/910560 [patent_app_country] => US [patent_app_date] => 1986-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5648 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 257 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/939/04939293.pdf [firstpage_image] =>[orig_patent_app_number] => 910560 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/910560
Sulfonated phenolic material and its use in post primary oil recovery Sep 21, 1986 Issued
Array ( [id] => 2482135 [patent_doc_number] => 04882439 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-11-21 [patent_title] => 'Steroid intermediates' [patent_app_type] => 1 [patent_app_number] => 6/910526 [patent_app_country] => US [patent_app_date] => 1986-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16542 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/882/04882439.pdf [firstpage_image] =>[orig_patent_app_number] => 910526 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/910526
Steroid intermediates Sep 18, 1986 Issued
Array ( [id] => 2478008 [patent_doc_number] => 04812589 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-03-14 [patent_title] => 'Polyhydroxyl compounds containing a sulfonic acid ester group' [patent_app_type] => 1 [patent_app_number] => 6/908435 [patent_app_country] => US [patent_app_date] => 1986-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3215 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/812/04812589.pdf [firstpage_image] =>[orig_patent_app_number] => 908435 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/908435
Polyhydroxyl compounds containing a sulfonic acid ester group Sep 16, 1986 Issued
Array ( [id] => 2480336 [patent_doc_number] => 04820452 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-04-11 [patent_title] => 'Bechamp reduction of DNS to DAS using H.sub.2 SO.sub.4 and trace of HOAc' [patent_app_type] => 1 [patent_app_number] => 6/908429 [patent_app_country] => US [patent_app_date] => 1986-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2956 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/820/04820452.pdf [firstpage_image] =>[orig_patent_app_number] => 908429 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/908429
Bechamp reduction of DNS to DAS using H.sub.2 SO.sub.4 and trace of HOAc Sep 16, 1986 Issued
06/908946 CHROMENE DERIVATIVES, A PROCESS FOR THE PREPARATION THEREOF AND PESTICIDAL COMPOSITION COMPRISING THE SAME Sep 15, 1986 Abandoned
Array ( [id] => 2628632 [patent_doc_number] => 04952338 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-28 [patent_title] => 'Unsymmetrical organic disulfide compounds useful as antiradiation agents' [patent_app_type] => 1 [patent_app_number] => 6/907882 [patent_app_country] => US [patent_app_date] => 1986-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2849 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 8 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/952/04952338.pdf [firstpage_image] =>[orig_patent_app_number] => 907882 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/907882
Unsymmetrical organic disulfide compounds useful as antiradiation agents Sep 15, 1986 Abandoned
Array ( [id] => 2421215 [patent_doc_number] => 04788214 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-11-29 [patent_title] => '3,4-dihydro-2H-1-benzopyran derivatives' [patent_app_type] => 1 [patent_app_number] => 6/907244 [patent_app_country] => US [patent_app_date] => 1986-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24057 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/788/04788214.pdf [firstpage_image] =>[orig_patent_app_number] => 907244 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/907244
3,4-dihydro-2H-1-benzopyran derivatives Sep 14, 1986 Issued
Array ( [id] => 2452163 [patent_doc_number] => 04760088 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-07-26 [patent_title] => 'Biocidal derivatives of catechins' [patent_app_type] => 1 [patent_app_number] => 6/907477 [patent_app_country] => US [patent_app_date] => 1986-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2827 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/760/04760088.pdf [firstpage_image] =>[orig_patent_app_number] => 907477 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/907477
Biocidal derivatives of catechins Sep 14, 1986 Issued
Array ( [id] => 2543093 [patent_doc_number] => 04826963 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-05-02 [patent_title] => 'Inclusion complex of 7-isopropoxy-isoflavon formed with cyclodextrin, the preparation thereof and pharmaceutical compositions containing these compounds as active ingredient' [patent_app_type] => 1 [patent_app_number] => 6/905837 [patent_app_country] => US [patent_app_date] => 1986-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4431 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/826/04826963.pdf [firstpage_image] =>[orig_patent_app_number] => 905837 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/905837
Inclusion complex of 7-isopropoxy-isoflavon formed with cyclodextrin, the preparation thereof and pharmaceutical compositions containing these compounds as active ingredient Sep 9, 1986 Issued
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