Search

Celia C Chang

Examiner (ID: 17719, Phone: (571)272-0679 , Office: P/1625 )

Most Active Art Unit
1625
Art Unit(s)
1625, 1202, 1612, 1203, 2899
Total Applications
3041
Issued Applications
1833
Pending Applications
177
Abandoned Applications
1031

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2697519 [patent_doc_number] => 04996364 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-26 [patent_title] => 'Use of alkaline earth salts of polycarboxylic acid monoesters as alkoxylation catalysts' [patent_app_type] => 1 [patent_app_number] => 7/336157 [patent_app_country] => US [patent_app_date] => 1989-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1733 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/996/04996364.pdf [firstpage_image] =>[orig_patent_app_number] => 336157 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/336157
Use of alkaline earth salts of polycarboxylic acid monoesters as alkoxylation catalysts Apr 10, 1989 Issued
Array ( [id] => 2710138 [patent_doc_number] => 05041545 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-20 [patent_title] => '2-hydroxybenzophenone hydrazides and derivatives thereof' [patent_app_type] => 1 [patent_app_number] => 7/334661 [patent_app_country] => US [patent_app_date] => 1989-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11847 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 1427 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/041/05041545.pdf [firstpage_image] =>[orig_patent_app_number] => 334661 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/334661
2-hydroxybenzophenone hydrazides and derivatives thereof Apr 5, 1989 Issued
Array ( [id] => 2596240 [patent_doc_number] => 04933493 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-06-12 [patent_title] => 'Intermediates for the preparation of 4-phenyl-1,3-benzodiazepines' [patent_app_type] => 1 [patent_app_number] => 7/406947 [patent_app_country] => US [patent_app_date] => 1989-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15027 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/933/04933493.pdf [firstpage_image] =>[orig_patent_app_number] => 406947 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/406947
Intermediates for the preparation of 4-phenyl-1,3-benzodiazepines Apr 5, 1989 Issued
Array ( [id] => 2759414 [patent_doc_number] => 05059623 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-22 [patent_title] => 'Substituted cycloalkyl- and heterocyclyl-carboxanilides' [patent_app_type] => 1 [patent_app_number] => 7/333481 [patent_app_country] => US [patent_app_date] => 1989-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4208 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/059/05059623.pdf [firstpage_image] =>[orig_patent_app_number] => 333481 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/333481
Substituted cycloalkyl- and heterocyclyl-carboxanilides Apr 4, 1989 Issued
07/328365 CATALYTIC REDUCTION OF DINITROHALOBENZENES USING IRON AND NOBLE METAL CATALYST Mar 23, 1989 Abandoned
Array ( [id] => 2708217 [patent_doc_number] => 05068436 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-11-26 [patent_title] => 'Hydrogenation of halonitrobenzenes without dehalogenation' [patent_app_type] => 1 [patent_app_number] => 7/321389 [patent_app_country] => US [patent_app_date] => 1989-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1865 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/068/05068436.pdf [firstpage_image] =>[orig_patent_app_number] => 321389 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/321389
Hydrogenation of halonitrobenzenes without dehalogenation Mar 9, 1989 Issued
07/321140 BIS-N,N' NITRO OR AMINO BENZOYL AMINOPHENOLS Mar 8, 1989 Abandoned
Array ( [id] => 2674179 [patent_doc_number] => 05073649 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-17 [patent_title] => 'Process for producing a polyalkylene polyamine' [patent_app_type] => 1 [patent_app_number] => 7/307943 [patent_app_country] => US [patent_app_date] => 1989-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6877 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/073/05073649.pdf [firstpage_image] =>[orig_patent_app_number] => 307943 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/307943
Process for producing a polyalkylene polyamine Feb 8, 1989 Issued
07/306930 PREPARATION OF TRIS(2-AMINOETHYL)AMINE Feb 6, 1989 Abandoned
Array ( [id] => 2867999 [patent_doc_number] => 05153227 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-06 [patent_title] => 'Phenylsulfonyl nitromethanes as aldose reductase inhibitors' [patent_app_type] => 1 [patent_app_number] => 7/306676 [patent_app_country] => US [patent_app_date] => 1989-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19277 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/153/05153227.pdf [firstpage_image] =>[orig_patent_app_number] => 306676 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/306676
Phenylsulfonyl nitromethanes as aldose reductase inhibitors Feb 5, 1989 Issued
Array ( [id] => 2706776 [patent_doc_number] => 05001157 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-19 [patent_title] => 'Substituted N-[[2-(aminocarbonyl)phenylamino]thioxomethyl]benzamides' [patent_app_type] => 1 [patent_app_number] => 7/305031 [patent_app_country] => US [patent_app_date] => 1989-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3234 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 12 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/001/05001157.pdf [firstpage_image] =>[orig_patent_app_number] => 305031 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/305031
Substituted N-[[2-(aminocarbonyl)phenylamino]thioxomethyl]benzamides Feb 1, 1989 Issued
07/301568 BRIDGED BIS(CYCLOHEXYLAMINE) CURING AGENTS FOR EPOXY RESINS Jan 24, 1989 Abandoned
Array ( [id] => 2852293 [patent_doc_number] => 05105013 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-14 [patent_title] => 'Method for the reductive methylation of primary amines' [patent_app_type] => 1 [patent_app_number] => 7/286419 [patent_app_country] => US [patent_app_date] => 1988-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3230 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/105/05105013.pdf [firstpage_image] =>[orig_patent_app_number] => 286419 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/286419
Method for the reductive methylation of primary amines Dec 18, 1988 Issued
Array ( [id] => 2814476 [patent_doc_number] => 05079263 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-01-07 [patent_title] => 'Manumycin derivatives and the use thereof' [patent_app_type] => 1 [patent_app_number] => 7/278885 [patent_app_country] => US [patent_app_date] => 1988-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2808 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/079/05079263.pdf [firstpage_image] =>[orig_patent_app_number] => 278885 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/278885
Manumycin derivatives and the use thereof Dec 1, 1988 Issued
Array ( [id] => 2646221 [patent_doc_number] => 04980377 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-12-25 [patent_title] => '1-(aminophenyl)-2-aminopropanone derivatives' [patent_app_type] => 1 [patent_app_number] => 7/270627 [patent_app_country] => US [patent_app_date] => 1988-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12005 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/980/04980377.pdf [firstpage_image] =>[orig_patent_app_number] => 270627 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/270627
1-(aminophenyl)-2-aminopropanone derivatives Nov 13, 1988 Issued
07/261795 TRIFLUOROMETHYLAMINOBENZENES CONTAINING FLUORINE AND/OR CHLORINE AND THEIR PREPARATION Oct 23, 1988 Abandoned
07/255186 GLYCYL UREA DERIVATIVES AS ANTI-CONVULSANTS Oct 6, 1988 Abandoned
07/255080 NORTRIPTYLINE CONJUGATES TO ANTIGENIC PROTEINS AND ENZYMES Oct 6, 1988 Abandoned
Array ( [id] => 2560683 [patent_doc_number] => 04942260 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-17 [patent_title] => 'Amine oxide process with CO.sub.2 and aluminum' [patent_app_type] => 1 [patent_app_number] => 7/237098 [patent_app_country] => US [patent_app_date] => 1988-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2688 [patent_no_of_claims] => 11 [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/04/942/04942260.pdf [firstpage_image] =>[orig_patent_app_number] => 237098 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/237098
Amine oxide process with CO.sub.2 and aluminum Aug 28, 1988 Issued
Array ( [id] => 2708517 [patent_doc_number] => 04992584 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-12 [patent_title] => 'Process for the preparation of .beta.-ketocarboximides of .alpha.,.beta.-unsaturated amides' [patent_app_type] => 1 [patent_app_number] => 7/231565 [patent_app_country] => US [patent_app_date] => 1988-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3042 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/992/04992584.pdf [firstpage_image] =>[orig_patent_app_number] => 231565 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/231565
Process for the preparation of .beta.-ketocarboximides of .alpha.,.beta.-unsaturated amides Aug 11, 1988 Issued
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