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] => 2793939 [patent_doc_number] => 05103054 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-07 [patent_title] => 'Tertiary sulfonamides' [patent_app_type] => 1 [patent_app_number] => 7/670336 [patent_app_country] => US [patent_app_date] => 1991-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1595 [patent_no_of_claims] => 10 [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/05/103/05103054.pdf [firstpage_image] =>[orig_patent_app_number] => 670336 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/670336
Tertiary sulfonamides Mar 14, 1991 Issued
Array ( [id] => 2791686 [patent_doc_number] => 05102934 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-07 [patent_title] => 'Tertiary sulfonamide antioxidants' [patent_app_type] => 1 [patent_app_number] => 7/670333 [patent_app_country] => US [patent_app_date] => 1991-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1848 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/102/05102934.pdf [firstpage_image] =>[orig_patent_app_number] => 670333 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/670333
Tertiary sulfonamide antioxidants Mar 14, 1991 Issued
Array ( [id] => 2836737 [patent_doc_number] => 05120792 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-09 [patent_title] => 'Tertiary amide antioxidants' [patent_app_type] => 1 [patent_app_number] => 7/670257 [patent_app_country] => US [patent_app_date] => 1991-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2449 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/120/05120792.pdf [firstpage_image] =>[orig_patent_app_number] => 670257 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/670257
Tertiary amide antioxidants Mar 14, 1991 Issued
Array ( [id] => 2788428 [patent_doc_number] => 05130484 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-14 [patent_title] => 'Tertiary amides' [patent_app_type] => 1 [patent_app_number] => 7/670287 [patent_app_country] => US [patent_app_date] => 1991-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2298 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/130/05130484.pdf [firstpage_image] =>[orig_patent_app_number] => 670287 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/670287
Tertiary amides Mar 14, 1991 Issued
Array ( [id] => 2979635 [patent_doc_number] => 05256824 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-26 [patent_title] => 'Substituted-amine compound and a process for the preparation thereof' [patent_app_type] => 1 [patent_app_number] => 7/665669 [patent_app_country] => US [patent_app_date] => 1991-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16325 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/256/05256824.pdf [firstpage_image] =>[orig_patent_app_number] => 665669 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/665669
Substituted-amine compound and a process for the preparation thereof Mar 6, 1991 Issued
Array ( [id] => 2845126 [patent_doc_number] => 05138097 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-11 [patent_title] => 'Amine terminated polyamides' [patent_app_type] => 1 [patent_app_number] => 7/658813 [patent_app_country] => US [patent_app_date] => 1991-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5000 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/138/05138097.pdf [firstpage_image] =>[orig_patent_app_number] => 658813 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/658813
Amine terminated polyamides Feb 21, 1991 Issued
Array ( [id] => 2861443 [patent_doc_number] => 05149876 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-22 [patent_title] => 'Process for the preparation of amines' [patent_app_type] => 1 [patent_app_number] => 7/651727 [patent_app_country] => US [patent_app_date] => 1991-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2229 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/149/05149876.pdf [firstpage_image] =>[orig_patent_app_number] => 651727 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/651727
Process for the preparation of amines Feb 6, 1991 Issued
07/645404 2-SUBSTITUTED PARA-AMINOPHENOLS AND THEIR USE FOR DYEING KERATINOUS FIBRES Jan 23, 1991 Abandoned
07/642336 PROCESS FOR PREPARING HIGH-PURITY ANILINE Jan 16, 1991 Abandoned
Array ( [id] => 2878516 [patent_doc_number] => 05159087 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-27 [patent_title] => 'Aromatic diolefinic compounds, aromatic diethyl compounds and electrophotographic photoconductors comprising one aromatic diethyl compound' [patent_app_type] => 1 [patent_app_number] => 7/642686 [patent_app_country] => US [patent_app_date] => 1991-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 16 [patent_no_of_words] => 10530 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/159/05159087.pdf [firstpage_image] =>[orig_patent_app_number] => 642686 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/642686
Aromatic diolefinic compounds, aromatic diethyl compounds and electrophotographic photoconductors comprising one aromatic diethyl compound Jan 16, 1991 Issued
Array ( [id] => 2788369 [patent_doc_number] => 05130481 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-14 [patent_title] => 'Bis-N,N\' nitro or amino benzoyl amino phenols' [patent_app_type] => 1 [patent_app_number] => 7/645332 [patent_app_country] => US [patent_app_date] => 1991-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2765 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/130/05130481.pdf [firstpage_image] =>[orig_patent_app_number] => 645332 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/645332
Bis-N,N' nitro or amino benzoyl amino phenols Jan 3, 1991 Issued
07/635950 PHENYLETHANOLAMINOMETHYLTETRALINS AND PHARMACEUTICAL USE Dec 27, 1990 Issued
Array ( [id] => 2707471 [patent_doc_number] => 05053052 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-01 [patent_title] => '2-substituted para-aminophenols and their use for dyeing keratinous fibres' [patent_app_type] => 1 [patent_app_number] => 7/633190 [patent_app_country] => US [patent_app_date] => 1990-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3745 [patent_no_of_claims] => 14 [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/05/053/05053052.pdf [firstpage_image] =>[orig_patent_app_number] => 633190 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/633190
2-substituted para-aminophenols and their use for dyeing keratinous fibres Dec 27, 1990 Issued
Array ( [id] => 2849685 [patent_doc_number] => 05107026 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-21 [patent_title] => 'Fluorinated acetylene-containing aromatic amines and diamines' [patent_app_type] => 1 [patent_app_number] => 7/631132 [patent_app_country] => US [patent_app_date] => 1990-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4273 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/107/05107026.pdf [firstpage_image] =>[orig_patent_app_number] => 631132 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/631132
Fluorinated acetylene-containing aromatic amines and diamines Dec 19, 1990 Issued
07/630127 PROCESS FOR THE PREPARATION OF ARYLALKYLAMINES AND SUBSTITUTED ARYLA- LKYLAMINES Dec 18, 1990 Abandoned
Array ( [id] => 2838244 [patent_doc_number] => 05120872 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-09 [patent_title] => 'Compounds containing a 3-sulfoalkanoylamino or 3-sulfoalylsulfonylaminoaniline coupling component' [patent_app_type] => 1 [patent_app_number] => 7/621392 [patent_app_country] => US [patent_app_date] => 1990-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9367 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/120/05120872.pdf [firstpage_image] =>[orig_patent_app_number] => 621392 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/621392
Compounds containing a 3-sulfoalkanoylamino or 3-sulfoalylsulfonylaminoaniline coupling component Dec 2, 1990 Issued
07/620241 2,6-METHANO-2H-1-BENZOXOCINCARBOXAMIDES AS 5-HT3-ANTAGONISTS Nov 28, 1990 Abandoned
Array ( [id] => 2858138 [patent_doc_number] => 05149702 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-22 [patent_title] => 'Cycloheptenopyridine derivatives, process for preparation thereof and antiulcer agents containing the same' [patent_app_type] => 1 [patent_app_number] => 7/618943 [patent_app_country] => US [patent_app_date] => 1990-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22318 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/149/05149702.pdf [firstpage_image] =>[orig_patent_app_number] => 618943 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/618943
Cycloheptenopyridine derivatives, process for preparation thereof and antiulcer agents containing the same Nov 26, 1990 Issued
07/617577 PHENOXYALKYLAMINE AND AGRICULTURAL AND HORTICULTURAL BACTERICIDE Nov 25, 1990 Abandoned
Array ( [id] => 3098244 [patent_doc_number] => 05292950 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-08 [patent_title] => 'N,N-dialkylaminoalkyl (meth) acrylamide composition with improved storageability' [patent_app_type] => 1 [patent_app_number] => 7/582186 [patent_app_country] => US [patent_app_date] => 1990-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2087 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/292/05292950.pdf [firstpage_image] =>[orig_patent_app_number] => 582186 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/582186
N,N-dialkylaminoalkyl (meth) acrylamide composition with improved storageability Nov 12, 1990 Issued
Menu