Search

Cecilia J. Tsang

Examiner (ID: 10028)

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

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3522722 [patent_doc_number] => 05489593 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-02-06 [patent_title] => 'Anti-aids piperazines' [patent_app_type] => 1 [patent_app_number] => 8/349694 [patent_app_country] => US [patent_app_date] => 1994-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 41937 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/489/05489593.pdf [firstpage_image] =>[orig_patent_app_number] => 349694 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/349694
Anti-aids piperazines Dec 1, 1994 Issued
Array ( [id] => 3103101 [patent_doc_number] => 05447931 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-09-05 [patent_title] => 'New therapeutic use of heterocyclylpiperazines as 5-HT.sub.3 agonists and new compounds' [patent_app_type] => 1 [patent_app_number] => 8/344629 [patent_app_country] => US [patent_app_date] => 1994-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2686 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 9 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/447/05447931.pdf [firstpage_image] =>[orig_patent_app_number] => 344629 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/344629
New therapeutic use of heterocyclylpiperazines as 5-HT.sub.3 agonists and new compounds Nov 16, 1994 Issued
Array ( [id] => 3528967 [patent_doc_number] => 05541326 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-07-30 [patent_title] => 'Piperazine Derivatives' [patent_app_type] => 1 [patent_app_number] => 8/339000 [patent_app_country] => US [patent_app_date] => 1994-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9218 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/541/05541326.pdf [firstpage_image] =>[orig_patent_app_number] => 339000 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/339000
Piperazine Derivatives Nov 13, 1994 Issued
Array ( [id] => 3581713 [patent_doc_number] => 05498629 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-03-12 [patent_title] => 'Anticonvulsant pseudofructopyranose sulfamates' [patent_app_type] => 1 [patent_app_number] => 8/337597 [patent_app_country] => US [patent_app_date] => 1994-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5070 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/498/05498629.pdf [firstpage_image] =>[orig_patent_app_number] => 337597 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/337597
Anticonvulsant pseudofructopyranose sulfamates Nov 9, 1994 Issued
Array ( [id] => 3498612 [patent_doc_number] => 05532363 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-07-02 [patent_title] => 'Heteroaryl substituted oxazinone compounds for the preparation of taxol' [patent_app_type] => 1 [patent_app_number] => 8/335495 [patent_app_country] => US [patent_app_date] => 1994-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5946 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/532/05532363.pdf [firstpage_image] =>[orig_patent_app_number] => 335495 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/335495
Heteroaryl substituted oxazinone compounds for the preparation of taxol Nov 6, 1994 Issued
Array ( [id] => 3592082 [patent_doc_number] => 05496950 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-03-05 [patent_title] => 'Use for bis-heterocyclic compounds and pharmaceutical compositions containing same' [patent_app_type] => 1 [patent_app_number] => 8/330651 [patent_app_country] => US [patent_app_date] => 1994-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7541 [patent_no_of_claims] => 3 [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/05/496/05496950.pdf [firstpage_image] =>[orig_patent_app_number] => 330651 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/330651
Use for bis-heterocyclic compounds and pharmaceutical compositions containing same Oct 27, 1994 Issued
08/331164 METHOD OF TREATING OR PREVENTING HEPATITIS B VIRUS Oct 27, 1994 Abandoned
Array ( [id] => 3582468 [patent_doc_number] => 05580872 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-03 [patent_title] => 'Quinolizinone type compounds' [patent_app_type] => 1 [patent_app_number] => 8/316319 [patent_app_country] => US [patent_app_date] => 1994-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 110931 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 699 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/580/05580872.pdf [firstpage_image] =>[orig_patent_app_number] => 316319 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/316319
Quinolizinone type compounds Sep 29, 1994 Issued
08/311780 NOVEL CRYSTAL FORMS OF 1-[5-METHANESULFONAMIDOINDOLYL-2-CARBONYL]-4- [3-(1-METHYLETHYLAMINO)-2-PYRIDINYL]PIPERAZINE Sep 22, 1994 Abandoned
Array ( [id] => 3657935 [patent_doc_number] => 05658911 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-08-19 [patent_title] => 'Heteroarylpiperidines, and their use as antipsychotics and analgetics' [patent_app_type] => 1 [patent_app_number] => 8/309395 [patent_app_country] => US [patent_app_date] => 1994-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 53630 [patent_no_of_claims] => 45 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/658/05658911.pdf [firstpage_image] =>[orig_patent_app_number] => 309395 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/309395
Heteroarylpiperidines, and their use as antipsychotics and analgetics Sep 19, 1994 Issued
Array ( [id] => 3590788 [patent_doc_number] => 05516921 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-05-14 [patent_title] => 'Thiono-lactone inhibitors of protein trafficking and uses therefor' [patent_app_type] => 1 [patent_app_number] => 8/308184 [patent_app_country] => US [patent_app_date] => 1994-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7114 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 11 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/516/05516921.pdf [firstpage_image] =>[orig_patent_app_number] => 308184 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/308184
Thiono-lactone inhibitors of protein trafficking and uses therefor Sep 18, 1994 Issued
Array ( [id] => 3525239 [patent_doc_number] => 05527808 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-06-18 [patent_title] => 'Fused tricyclic nitrogen containing heterocycles' [patent_app_type] => 1 [patent_app_number] => 8/204342 [patent_app_country] => US [patent_app_date] => 1994-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7954 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/527/05527808.pdf [firstpage_image] =>[orig_patent_app_number] => 204342 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/204342
Fused tricyclic nitrogen containing heterocycles Sep 14, 1994 Issued
Array ( [id] => 3472927 [patent_doc_number] => 05476853 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-12-19 [patent_title] => 'Agent for use as an anti-irritant' [patent_app_type] => 1 [patent_app_number] => 8/302674 [patent_app_country] => US [patent_app_date] => 1994-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3094 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/476/05476853.pdf [firstpage_image] =>[orig_patent_app_number] => 302674 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/302674
Agent for use as an anti-irritant Sep 8, 1994 Issued
Array ( [id] => 3590528 [patent_doc_number] => 05516905 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-05-14 [patent_title] => 'Antibiotic compounds and methods to treat gram-positive bacterial and mycoplasmal infections' [patent_app_type] => 1 [patent_app_number] => 8/298011 [patent_app_country] => US [patent_app_date] => 1994-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 9340 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/516/05516905.pdf [firstpage_image] =>[orig_patent_app_number] => 298011 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/298011
Antibiotic compounds and methods to treat gram-positive bacterial and mycoplasmal infections Aug 29, 1994 Issued
Array ( [id] => 3516458 [patent_doc_number] => 05576319 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-11-19 [patent_title] => 'Pyrrolo-pyridine derivatives' [patent_app_type] => 1 [patent_app_number] => 8/296574 [patent_app_country] => US [patent_app_date] => 1994-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20110 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/576/05576319.pdf [firstpage_image] =>[orig_patent_app_number] => 296574 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/296574
Pyrrolo-pyridine derivatives Aug 25, 1994 Issued
Array ( [id] => 3636468 [patent_doc_number] => 05631370 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-05-20 [patent_title] => 'Optically-active isomers of dideoxycarbocyclic nucleosides' [patent_app_type] => 1 [patent_app_number] => 8/290185 [patent_app_country] => US [patent_app_date] => 1994-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 8254 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/631/05631370.pdf [firstpage_image] =>[orig_patent_app_number] => 290185 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/290185
Optically-active isomers of dideoxycarbocyclic nucleosides Aug 14, 1994 Issued
Array ( [id] => 3559050 [patent_doc_number] => 05500424 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-03-19 [patent_title] => 'Pyrimidine and pyridine derivatives, their production and use' [patent_app_type] => 1 [patent_app_number] => 8/288699 [patent_app_country] => US [patent_app_date] => 1994-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9389 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/500/05500424.pdf [firstpage_image] =>[orig_patent_app_number] => 288699 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/288699
Pyrimidine and pyridine derivatives, their production and use Aug 11, 1994 Issued
Array ( [id] => 3621818 [patent_doc_number] => 05593945 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-01-14 [patent_title] => 'N-cyanoaryl-nitrogen heterocycles' [patent_app_type] => 1 [patent_app_number] => 8/289071 [patent_app_country] => US [patent_app_date] => 1994-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 29571 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 530 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/593/05593945.pdf [firstpage_image] =>[orig_patent_app_number] => 289071 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/289071
N-cyanoaryl-nitrogen heterocycles Aug 10, 1994 Issued
Array ( [id] => 3589310 [patent_doc_number] => 05552546 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-09-03 [patent_title] => 'Process for the preparation of 2-ethoxy-4,6-dihydroxypyrimidine' [patent_app_type] => 1 [patent_app_number] => 8/282398 [patent_app_country] => US [patent_app_date] => 1994-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4217 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/552/05552546.pdf [firstpage_image] =>[orig_patent_app_number] => 282398 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/282398
Process for the preparation of 2-ethoxy-4,6-dihydroxypyrimidine Jul 27, 1994 Issued
Array ( [id] => 3430701 [patent_doc_number] => 05455352 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-10-03 [patent_title] => 'Preparation of N-(2-hydroxyethyl)-piperazine' [patent_app_type] => 1 [patent_app_number] => 8/282073 [patent_app_country] => US [patent_app_date] => 1994-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1397 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/455/05455352.pdf [firstpage_image] =>[orig_patent_app_number] => 282073 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/282073
Preparation of N-(2-hydroxyethyl)-piperazine Jul 27, 1994 Issued
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