Search

Cecilia J. Tsang

Examiner (ID: 14031)

Most Active Art Unit
1202
Art Unit(s)
1811, 1625, 1202, 1654, 1675, 1611, 2899
Total Applications
1664
Issued Applications
1345
Pending Applications
72
Abandoned Applications
247

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2961376 [patent_doc_number] => 05198554 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-30 [patent_title] => '5-(2,4-Dioxotetrahydro-3-furanylmethyl)norbornane-2,3-dicarboxylic acid anhydride and process for production thereof' [patent_app_type] => 1 [patent_app_number] => 7/819315 [patent_app_country] => US [patent_app_date] => 1992-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3859 [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/05/198/05198554.pdf [firstpage_image] =>[orig_patent_app_number] => 819315 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/819315
5-(2,4-Dioxotetrahydro-3-furanylmethyl)norbornane-2,3-dicarboxylic acid anhydride and process for production thereof Jan 8, 1992 Issued
Array ( [id] => 2823396 [patent_doc_number] => 05173490 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-22 [patent_title] => 'Benzisoxazole and benzisothiazole compounds' [patent_app_type] => 1 [patent_app_number] => 7/817666 [patent_app_country] => US [patent_app_date] => 1992-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4021 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/173/05173490.pdf [firstpage_image] =>[orig_patent_app_number] => 817666 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/817666
Benzisoxazole and benzisothiazole compounds Jan 6, 1992 Issued
Array ( [id] => 2949256 [patent_doc_number] => 05262386 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-16 [patent_title] => 'Pyrimidinyl- and triazinyl-salicylamides and their use and preparation' [patent_app_type] => 1 [patent_app_number] => 7/811382 [patent_app_country] => US [patent_app_date] => 1991-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9882 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 407 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/262/05262386.pdf [firstpage_image] =>[orig_patent_app_number] => 811382 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/811382
Pyrimidinyl- and triazinyl-salicylamides and their use and preparation Dec 19, 1991 Issued
Array ( [id] => 2937551 [patent_doc_number] => 05190930 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-02 [patent_title] => 'Araliphatylaminoalkanediphosphonic acids' [patent_app_type] => 1 [patent_app_number] => 7/811590 [patent_app_country] => US [patent_app_date] => 1991-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8940 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/190/05190930.pdf [firstpage_image] =>[orig_patent_app_number] => 811590 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/811590
Araliphatylaminoalkanediphosphonic acids Dec 19, 1991 Issued
Array ( [id] => 2878340 [patent_doc_number] => 05159079 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-27 [patent_title] => '2-piperidones as intermediates for 5-deaza-10-oxo- and 5-deaza-10-thio-5,6,7,8-tetrahydrofolic acids' [patent_app_type] => 1 [patent_app_number] => 7/810990 [patent_app_country] => US [patent_app_date] => 1991-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7544 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/159/05159079.pdf [firstpage_image] =>[orig_patent_app_number] => 810990 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/810990
2-piperidones as intermediates for 5-deaza-10-oxo- and 5-deaza-10-thio-5,6,7,8-tetrahydrofolic acids Dec 19, 1991 Issued
Array ( [id] => 3097958 [patent_doc_number] => 05298658 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-29 [patent_title] => 'Photographic elements with reduced print-through' [patent_app_type] => 1 [patent_app_number] => 7/811771 [patent_app_country] => US [patent_app_date] => 1991-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4678 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 8 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/298/05298658.pdf [firstpage_image] =>[orig_patent_app_number] => 811771 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/811771
Photographic elements with reduced print-through Dec 19, 1991 Issued
07/812246 DIPHENYLCYCLOPROPYL ANALOGS AS ANTIESTROGENIC AND ANTITUMOR AGENTS Dec 18, 1991 Abandoned
Array ( [id] => 2931522 [patent_doc_number] => 05219849 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-15 [patent_title] => 'Substituted pyrazines, pyrimidines and pyridazines for use in the treatment of glaucoma' [patent_app_type] => 1 [patent_app_number] => 7/809612 [patent_app_country] => US [patent_app_date] => 1991-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4679 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/219/05219849.pdf [firstpage_image] =>[orig_patent_app_number] => 809612 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/809612
Substituted pyrazines, pyrimidines and pyridazines for use in the treatment of glaucoma Dec 16, 1991 Issued
Array ( [id] => 2987310 [patent_doc_number] => 05212177 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-18 [patent_title] => 'Indole and benzimidazole-substituted dihydropyrimidine derivatives' [patent_app_type] => 1 [patent_app_number] => 7/808350 [patent_app_country] => US [patent_app_date] => 1991-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5751 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 1016 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/212/05212177.pdf [firstpage_image] =>[orig_patent_app_number] => 808350 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/808350
Indole and benzimidazole-substituted dihydropyrimidine derivatives Dec 15, 1991 Issued
Array ( [id] => 2908431 [patent_doc_number] => 05178662 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-12 [patent_title] => 'Benzaldehyde acetal compounds, preparation process thereof, and herbicidal compositions containing the same as active ingredients' [patent_app_type] => 1 [patent_app_number] => 7/807129 [patent_app_country] => US [patent_app_date] => 1991-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6786 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/178/05178662.pdf [firstpage_image] =>[orig_patent_app_number] => 807129 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/807129
Benzaldehyde acetal compounds, preparation process thereof, and herbicidal compositions containing the same as active ingredients Dec 15, 1991 Issued
Array ( [id] => 2971851 [patent_doc_number] => 05194437 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-16 [patent_title] => '1,4-disubstituted piperazines' [patent_app_type] => 1 [patent_app_number] => 7/807106 [patent_app_country] => US [patent_app_date] => 1991-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6886 [patent_no_of_claims] => 14 [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/05/194/05194437.pdf [firstpage_image] =>[orig_patent_app_number] => 807106 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/807106
1,4-disubstituted piperazines Dec 12, 1991 Issued
Array ( [id] => 2979889 [patent_doc_number] => 05204341 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-20 [patent_title] => '1-arylsulphonyl-2-pyrrolidone derivatives, their preparation process and the new intermediates obtained, their use as medicaments and the pharmaceutical compositions containing them' [patent_app_type] => 1 [patent_app_number] => 7/805694 [patent_app_country] => US [patent_app_date] => 1991-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7129 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/204/05204341.pdf [firstpage_image] =>[orig_patent_app_number] => 805694 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/805694
1-arylsulphonyl-2-pyrrolidone derivatives, their preparation process and the new intermediates obtained, their use as medicaments and the pharmaceutical compositions containing them Dec 10, 1991 Issued
Array ( [id] => 2977846 [patent_doc_number] => 05225573 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-06 [patent_title] => 'Intermediates to tetrabromophthalic anhydride and process therefor' [patent_app_type] => 1 [patent_app_number] => 7/808073 [patent_app_country] => US [patent_app_date] => 1991-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2990 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/225/05225573.pdf [firstpage_image] =>[orig_patent_app_number] => 808073 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/808073
Intermediates to tetrabromophthalic anhydride and process therefor Dec 9, 1991 Issued
Array ( [id] => 2924064 [patent_doc_number] => 05200520 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-06 [patent_title] => 'Process for the production of piperazinylpyrimidine derivatives' [patent_app_type] => 1 [patent_app_number] => 7/804372 [patent_app_country] => US [patent_app_date] => 1991-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1682 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/200/05200520.pdf [firstpage_image] =>[orig_patent_app_number] => 804372 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/804372
Process for the production of piperazinylpyrimidine derivatives Dec 9, 1991 Issued
Array ( [id] => 2982297 [patent_doc_number] => 05204465 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-20 [patent_title] => 'Process for the production of piperazinylpyrimidine derivatives' [patent_app_type] => 1 [patent_app_number] => 7/803067 [patent_app_country] => US [patent_app_date] => 1991-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3099 [patent_no_of_claims] => 19 [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/05/204/05204465.pdf [firstpage_image] =>[orig_patent_app_number] => 803067 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/803067
Process for the production of piperazinylpyrimidine derivatives Dec 5, 1991 Issued
Array ( [id] => 3010976 [patent_doc_number] => 05276151 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-04 [patent_title] => 'Method of synthesis of 1,3-dioxolane nucleosides' [patent_app_type] => 1 [patent_app_number] => 7/803028 [patent_app_country] => US [patent_app_date] => 1991-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 7348 [patent_no_of_claims] => 10 [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/05/276/05276151.pdf [firstpage_image] =>[orig_patent_app_number] => 803028 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/803028
Method of synthesis of 1,3-dioxolane nucleosides Dec 5, 1991 Issued
Array ( [id] => 2906125 [patent_doc_number] => 05248776 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-09-28 [patent_title] => 'Process for enantiomerically pure .beta.-L-1,3-oxathiolane nucleosides' [patent_app_type] => 1 [patent_app_number] => 7/803086 [patent_app_country] => US [patent_app_date] => 1991-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 8276 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/248/05248776.pdf [firstpage_image] =>[orig_patent_app_number] => 803086 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/803086
Process for enantiomerically pure .beta.-L-1,3-oxathiolane nucleosides Dec 4, 1991 Issued
Array ( [id] => 2980031 [patent_doc_number] => 05204348 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-20 [patent_title] => 'Heterocyclic compounds and anticancer-drug potentiaters conaining them as effective components' [patent_app_type] => 1 [patent_app_number] => 7/780472 [patent_app_country] => US [patent_app_date] => 1991-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24074 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/204/05204348.pdf [firstpage_image] =>[orig_patent_app_number] => 780472 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/780472
Heterocyclic compounds and anticancer-drug potentiaters conaining them as effective components Dec 2, 1991 Issued
Array ( [id] => 2906269 [patent_doc_number] => 05215992 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-01 [patent_title] => 'Ethanobicyclic amine derivatives for CNS disorders' [patent_app_type] => 1 [patent_app_number] => 7/801148 [patent_app_country] => US [patent_app_date] => 1991-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9332 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/215/05215992.pdf [firstpage_image] =>[orig_patent_app_number] => 801148 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/801148
Ethanobicyclic amine derivatives for CNS disorders Dec 1, 1991 Issued
Array ( [id] => 3050079 [patent_doc_number] => 05324728 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-28 [patent_title] => 'Naphthoic acid derivative' [patent_app_type] => 1 [patent_app_number] => 7/801501 [patent_app_country] => US [patent_app_date] => 1991-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17785 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/324/05324728.pdf [firstpage_image] =>[orig_patent_app_number] => 801501 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/801501
Naphthoic acid derivative Dec 1, 1991 Issued
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