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] => 2909390 [patent_doc_number] => 05216151 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-01 [patent_title] => 'Process for producing benzylphthalazinone derivatives and salts thereof' [patent_app_type] => 1 [patent_app_number] => 7/800259 [patent_app_country] => US [patent_app_date] => 1991-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2115 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/216/05216151.pdf [firstpage_image] =>[orig_patent_app_number] => 800259 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/800259
Process for producing benzylphthalazinone derivatives and salts thereof Nov 28, 1991 Issued
Array ( [id] => 2975590 [patent_doc_number] => 05194633 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-16 [patent_title] => 'Preparation of 1,1,1,3,3,3-hexafluoro-2,2-Di(3,4-dicarboxyphenyl)propane anhydride' [patent_app_type] => 1 [patent_app_number] => 7/798171 [patent_app_country] => US [patent_app_date] => 1991-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4548 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/194/05194633.pdf [firstpage_image] =>[orig_patent_app_number] => 798171 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/798171
Preparation of 1,1,1,3,3,3-hexafluoro-2,2-Di(3,4-dicarboxyphenyl)propane anhydride Nov 25, 1991 Issued
Array ( [id] => 2970005 [patent_doc_number] => 05202444 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-13 [patent_title] => 'Optically isomeric inositol and process for making optically active compound' [patent_app_type] => 1 [patent_app_number] => 7/795801 [patent_app_country] => US [patent_app_date] => 1991-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8355 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/202/05202444.pdf [firstpage_image] =>[orig_patent_app_number] => 795801 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/795801
Optically isomeric inositol and process for making optically active compound Nov 20, 1991 Issued
Array ( [id] => 2934254 [patent_doc_number] => 05229388 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-20 [patent_title] => '3-[4-(1-substituted-4-piperazinyl)butyl]-4-thiazolidinone and related compounds' [patent_app_type] => 1 [patent_app_number] => 7/795608 [patent_app_country] => US [patent_app_date] => 1991-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23685 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/229/05229388.pdf [firstpage_image] =>[orig_patent_app_number] => 795608 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/795608
3-[4-(1-substituted-4-piperazinyl)butyl]-4-thiazolidinone and related compounds Nov 20, 1991 Issued
07/795207 1,3-SUBSTITUTED CYCLOALKENES AND CYCLOALKANES AS CENTRAL NERVOUS SYSTEM AGENTS Nov 19, 1991 Abandoned
Array ( [id] => 2961396 [patent_doc_number] => 05198555 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-30 [patent_title] => 'Dianhydrides from catalyzed reaction of monoanhydide monoacid halides with polyalkylated mononuclear aromatics' [patent_app_type] => 1 [patent_app_number] => 7/794992 [patent_app_country] => US [patent_app_date] => 1991-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2744 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/198/05198555.pdf [firstpage_image] =>[orig_patent_app_number] => 794992 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/794992
Dianhydrides from catalyzed reaction of monoanhydide monoacid halides with polyalkylated mononuclear aromatics Nov 14, 1991 Issued
Array ( [id] => 2948989 [patent_doc_number] => 05180825 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-19 [patent_title] => 'Mitomycin derivatives' [patent_app_type] => 1 [patent_app_number] => 7/791188 [patent_app_country] => US [patent_app_date] => 1991-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10024 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 319 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/180/05180825.pdf [firstpage_image] =>[orig_patent_app_number] => 791188 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/791188
Mitomycin derivatives Nov 12, 1991 Issued
07/791441 SUBSTITUTED 1,3-OXATHIOLANES AND SUBSTITUTED 1,3-DITHIOLANES WITH ANTIVIRAL PROPERTIES Nov 12, 1991 Abandoned
Array ( [id] => 2870110 [patent_doc_number] => 05153335 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-06 [patent_title] => 'Process for the preparation of oxydiphthalic anhydride and acyloxyphthalic anhydrides' [patent_app_type] => 1 [patent_app_number] => 7/790839 [patent_app_country] => US [patent_app_date] => 1991-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9427 [patent_no_of_claims] => 52 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/153/05153335.pdf [firstpage_image] =>[orig_patent_app_number] => 790839 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/790839
Process for the preparation of oxydiphthalic anhydride and acyloxyphthalic anhydrides Nov 11, 1991 Issued
Array ( [id] => 2980645 [patent_doc_number] => 05252736 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-12 [patent_title] => 'Substituted imidazolyl-alkyl-piperazine and -diazepine derivatives' [patent_app_type] => 1 [patent_app_number] => 7/789230 [patent_app_country] => US [patent_app_date] => 1991-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12819 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/252/05252736.pdf [firstpage_image] =>[orig_patent_app_number] => 789230 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/789230
Substituted imidazolyl-alkyl-piperazine and -diazepine derivatives Nov 6, 1991 Issued
07/788225 DYNEMICIN ANALOGS SYNTHESES, METHODS OF PREPARATION AND USE Nov 4, 1991 Abandoned
07/788269 HETEROARYLPIPERIDINES, PYRROLIDINES AND PIPERAZINES AND THEIR USE AS ANTIPSYCHOTICS AND ANALGETICS Nov 4, 1991 Abandoned
Array ( [id] => 2878686 [patent_doc_number] => 05185341 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-02-09 [patent_title] => 'Substituted 5-(phenoxyalkanoylamino)-uracil compounds, methods for making same and pharmaceutical compositions based on same' [patent_app_type] => 1 [patent_app_number] => 7/787064 [patent_app_country] => US [patent_app_date] => 1991-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4535 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/185/05185341.pdf [firstpage_image] =>[orig_patent_app_number] => 787064 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/787064
Substituted 5-(phenoxyalkanoylamino)-uracil compounds, methods for making same and pharmaceutical compositions based on same Nov 3, 1991 Issued
Array ( [id] => 2944137 [patent_doc_number] => 05223616 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-29 [patent_title] => 'Heterocyclic disperse dye compound, their production and their use for dyeing or printing of hydrophobic fibers' [patent_app_type] => 1 [patent_app_number] => 7/787145 [patent_app_country] => US [patent_app_date] => 1991-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4143 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 2404 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/223/05223616.pdf [firstpage_image] =>[orig_patent_app_number] => 787145 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/787145
Heterocyclic disperse dye compound, their production and their use for dyeing or printing of hydrophobic fibers Nov 3, 1991 Issued
Array ( [id] => 2949549 [patent_doc_number] => 05262402 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-16 [patent_title] => 'Process for preparing pyrimidinetrione derivatives' [patent_app_type] => 1 [patent_app_number] => 7/768852 [patent_app_country] => US [patent_app_date] => 1991-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3151 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/262/05262402.pdf [firstpage_image] =>[orig_patent_app_number] => 768852 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/768852
Process for preparing pyrimidinetrione derivatives Oct 29, 1991 Issued
Array ( [id] => 2892890 [patent_doc_number] => 05210220 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-11 [patent_title] => 'Method for preparing derivatives of ascorbic acid' [patent_app_type] => 1 [patent_app_number] => 7/773874 [patent_app_country] => US [patent_app_date] => 1991-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1438 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 7 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/210/05210220.pdf [firstpage_image] =>[orig_patent_app_number] => 773874 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/773874
Method for preparing derivatives of ascorbic acid Oct 24, 1991 Issued
Array ( [id] => 2805706 [patent_doc_number] => 05145971 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-08 [patent_title] => 'Process for the preparation of oxydiphthalic acid and purified oxydiphthalic anhydride from crude oxydiphthalic anhydride' [patent_app_type] => 1 [patent_app_number] => 7/783026 [patent_app_country] => US [patent_app_date] => 1991-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4655 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/145/05145971.pdf [firstpage_image] =>[orig_patent_app_number] => 783026 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/783026
Process for the preparation of oxydiphthalic acid and purified oxydiphthalic anhydride from crude oxydiphthalic anhydride Oct 24, 1991 Issued
Array ( [id] => 2867412 [patent_doc_number] => 05153198 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-06 [patent_title] => 'Agent for treatment of disorders of the cerebro-neural transmission system' [patent_app_type] => 1 [patent_app_number] => 7/780818 [patent_app_country] => US [patent_app_date] => 1991-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4120 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/153/05153198.pdf [firstpage_image] =>[orig_patent_app_number] => 780818 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/780818
Agent for treatment of disorders of the cerebro-neural transmission system Oct 22, 1991 Issued
Array ( [id] => 2908449 [patent_doc_number] => 05178663 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-12 [patent_title] => '3-alkoxyalkanoic acid derivative, process for preparing the same and herbicide using the same' [patent_app_type] => 1 [patent_app_number] => 7/779238 [patent_app_country] => US [patent_app_date] => 1991-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9020 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/178/05178663.pdf [firstpage_image] =>[orig_patent_app_number] => 779238 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/779238
3-alkoxyalkanoic acid derivative, process for preparing the same and herbicide using the same Oct 17, 1991 Issued
Array ( [id] => 2947096 [patent_doc_number] => 05180726 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-19 [patent_title] => '4-[4- or 6-(trifluoromethyl-2-pyridinyl)]-1-piperazinylalkyl substituted lactams' [patent_app_type] => 1 [patent_app_number] => 7/777963 [patent_app_country] => US [patent_app_date] => 1991-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2158 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/180/05180726.pdf [firstpage_image] =>[orig_patent_app_number] => 777963 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/777963
4-[4- or 6-(trifluoromethyl-2-pyridinyl)]-1-piperazinylalkyl substituted lactams Oct 16, 1991 Issued
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