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
07/854195 ENDOTHELIN RECEPTOR ANTAGONISTS Mar 19, 1992 Abandoned
07/849837 PROCESS FOR THE PREPARATION OF BROMINATED COMPOUNDS, ESPECIALLY FROM ALCOHOLS Mar 11, 1992 Abandoned
Array ( [id] => 2889597 [patent_doc_number] => 05238981 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-24 [patent_title] => 'Photochromic naphthopyrans' [patent_app_type] => 1 [patent_app_number] => 7/840378 [patent_app_country] => US [patent_app_date] => 1992-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13661 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/238/05238981.pdf [firstpage_image] =>[orig_patent_app_number] => 840378 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/840378
Photochromic naphthopyrans Feb 23, 1992 Issued
Array ( [id] => 2952888 [patent_doc_number] => 05221756 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-22 [patent_title] => 'Method for the recovery and purification of maltol' [patent_app_type] => 1 [patent_app_number] => 7/839916 [patent_app_country] => US [patent_app_date] => 1992-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2236 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/221/05221756.pdf [firstpage_image] =>[orig_patent_app_number] => 839916 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/839916
Method for the recovery and purification of maltol Feb 20, 1992 Issued
Array ( [id] => 3084494 [patent_doc_number] => 05280041 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-18 [patent_title] => 'Methyldioxolan' [patent_app_type] => 1 [patent_app_number] => 7/839453 [patent_app_country] => US [patent_app_date] => 1992-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8069 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/280/05280041.pdf [firstpage_image] =>[orig_patent_app_number] => 839453 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/839453
Methyldioxolan Feb 19, 1992 Issued
Array ( [id] => 2950240 [patent_doc_number] => 05262435 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-16 [patent_title] => 'Cholesterol lowering compounds' [patent_app_type] => 1 [patent_app_number] => 7/833282 [patent_app_country] => US [patent_app_date] => 1992-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6277 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/262/05262435.pdf [firstpage_image] =>[orig_patent_app_number] => 833282 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/833282
Cholesterol lowering compounds Feb 9, 1992 Issued
Array ( [id] => 2829930 [patent_doc_number] => 05175143 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-29 [patent_title] => 'Perfumery materials' [patent_app_type] => 1 [patent_app_number] => 7/831098 [patent_app_country] => US [patent_app_date] => 1992-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4552 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/175/05175143.pdf [firstpage_image] =>[orig_patent_app_number] => 831098 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/831098
Perfumery materials Feb 9, 1992 Issued
Array ( [id] => 2937312 [patent_doc_number] => 05260332 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-09 [patent_title] => 'Cholesterol lowering compounds' [patent_app_type] => 1 [patent_app_number] => 7/832550 [patent_app_country] => US [patent_app_date] => 1992-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5914 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/260/05260332.pdf [firstpage_image] =>[orig_patent_app_number] => 832550 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/832550
Cholesterol lowering compounds Feb 6, 1992 Issued
Array ( [id] => 3097343 [patent_doc_number] => 05292901 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-08 [patent_title] => 'Benzodioxole derivatives' [patent_app_type] => 1 [patent_app_number] => 7/832220 [patent_app_country] => US [patent_app_date] => 1992-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 45062 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/292/05292901.pdf [firstpage_image] =>[orig_patent_app_number] => 832220 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/832220
Benzodioxole derivatives Feb 5, 1992 Issued
Array ( [id] => 2898508 [patent_doc_number] => 05245054 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-09-14 [patent_title] => 'Process for the dehalogenation of 1,3-dioxolanes' [patent_app_type] => 1 [patent_app_number] => 7/831162 [patent_app_country] => US [patent_app_date] => 1992-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1625 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/245/05245054.pdf [firstpage_image] =>[orig_patent_app_number] => 831162 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/831162
Process for the dehalogenation of 1,3-dioxolanes Feb 4, 1992 Issued
Array ( [id] => 2893233 [patent_doc_number] => 05210238 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-11 [patent_title] => 'Perfluorinated cyclic hemiketals, corresponding perfluorodiketones and process for preparing them' [patent_app_type] => 1 [patent_app_number] => 7/824072 [patent_app_country] => US [patent_app_date] => 1992-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2089 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/210/05210238.pdf [firstpage_image] =>[orig_patent_app_number] => 824072 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/824072
Perfluorinated cyclic hemiketals, corresponding perfluorodiketones and process for preparing them Jan 22, 1992 Issued
Array ( [id] => 2894184 [patent_doc_number] => 05210287 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-11 [patent_title] => '2,5-dichlorophenylthioglycolic acid derivative and method for its production' [patent_app_type] => 1 [patent_app_number] => 7/824313 [patent_app_country] => US [patent_app_date] => 1992-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3307 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/210/05210287.pdf [firstpage_image] =>[orig_patent_app_number] => 824313 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/824313
2,5-dichlorophenylthioglycolic acid derivative and method for its production Jan 22, 1992 Issued
Array ( [id] => 2977387 [patent_doc_number] => 05182404 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-26 [patent_title] => 'Biphenyl derivatives, process for preparing the same and intermediates therefor' [patent_app_type] => 1 [patent_app_number] => 7/821215 [patent_app_country] => US [patent_app_date] => 1992-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4991 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/182/05182404.pdf [firstpage_image] =>[orig_patent_app_number] => 821215 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/821215
Biphenyl derivatives, process for preparing the same and intermediates therefor Jan 14, 1992 Issued
07/821016 NEW HYDRAZINE DERIVATIVE AND PESTICIDAL COMPOSITION COMPRISING SAID DERIVATIVE AS AN EFFECTIVE INGREDIENT Jan 14, 1992 Abandoned
Array ( [id] => 2920323 [patent_doc_number] => 05234950 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-10 [patent_title] => 'Tetrahydrofuran derivatives' [patent_app_type] => 1 [patent_app_number] => 7/816574 [patent_app_country] => US [patent_app_date] => 1992-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 35331 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 373 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/234/05234950.pdf [firstpage_image] =>[orig_patent_app_number] => 816574 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/816574
Tetrahydrofuran derivatives Jan 2, 1992 Issued
07/815901 PROCESS FOR THE PREPARATION OF 2-AMINOBENZENE-1,4-DISULPHONIC ACIDS AND THE NEW COMPOUND 6-CHLORO-2-AMINOBENZENE-1,4-DISULPHONIC ACID Dec 30, 1991 Abandoned
Array ( [id] => 2921207 [patent_doc_number] => 05206426 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-27 [patent_title] => 'Phenylene diamines and process for the preparation of phenylene diamines' [patent_app_type] => 1 [patent_app_number] => 7/815159 [patent_app_country] => US [patent_app_date] => 1991-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2477 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/206/05206426.pdf [firstpage_image] =>[orig_patent_app_number] => 815159 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/815159
Phenylene diamines and process for the preparation of phenylene diamines Dec 30, 1991 Issued
07/815083 PROCESS FOR THE SYNTHESIS OF (4R-CIS)-1,1-DIMETHYLETHYL 6-CYANOMETHYL-2,2-DIMETHYL-1,3-DIOXANE-4-ACETATE Dec 26, 1991 Abandoned
07/814213 CIRCULATION ACTIVE DIOXYALKYLENEARYL-DIHYDROPYRIDINES Dec 18, 1991 Abandoned
Array ( [id] => 2841608 [patent_doc_number] => 05137913 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-11 [patent_title] => 'Diaryl ether cyclic ethers' [patent_app_type] => 1 [patent_app_number] => 7/806775 [patent_app_country] => US [patent_app_date] => 1991-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12787 [patent_no_of_claims] => 8 [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/05/137/05137913.pdf [firstpage_image] =>[orig_patent_app_number] => 806775 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/806775
Diaryl ether cyclic ethers Dec 11, 1991 Issued
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