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
07/992853 PROCESS FOR THE PREPARATION OF 8-N,N-DIALKYLAMINOTRICYCLO-[5.2.2.02,6]DECANE Dec 15, 1992 Abandoned
07/990730 PROCESS FOR THE PREPARATION OF AMINES BY CATALYTIC HYDROGENATION OF NITRILES Dec 14, 1992 Abandoned
07/990315 CONTROLLED FUNCTIONAL DENSITY POLY(SECONDARY AMINES) AND METHOD FOR PREPARATION THEREOF Dec 13, 1992 Abandoned
Array ( [id] => 2998609 [patent_doc_number] => 05362913 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-11-08 [patent_title] => 'Saturated, aminated, alkoxylated polybutadienes' [patent_app_type] => 1 [patent_app_number] => 7/976914 [patent_app_country] => US [patent_app_date] => 1992-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5323 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/362/05362913.pdf [firstpage_image] =>[orig_patent_app_number] => 976914 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/976914
Saturated, aminated, alkoxylated polybutadienes Nov 15, 1992 Issued
Array ( [id] => 2993096 [patent_doc_number] => 05347053 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-09-13 [patent_title] => 'Process for preparing alkylamines' [patent_app_type] => 1 [patent_app_number] => 7/971085 [patent_app_country] => US [patent_app_date] => 1992-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3910 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/347/05347053.pdf [firstpage_image] =>[orig_patent_app_number] => 971085 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/971085
Process for preparing alkylamines Nov 3, 1992 Issued
Array ( [id] => 3098384 [patent_doc_number] => 05292958 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-08 [patent_title] => 'Process for eliminating the diethanolamine present in triethanolamine and preparation process for purified triethanolamine' [patent_app_type] => 1 [patent_app_number] => 7/968315 [patent_app_country] => US [patent_app_date] => 1992-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1262 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/292/05292958.pdf [firstpage_image] =>[orig_patent_app_number] => 968315 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/968315
Process for eliminating the diethanolamine present in triethanolamine and preparation process for purified triethanolamine Oct 28, 1992 Issued
Array ( [id] => 3453263 [patent_doc_number] => 05386060 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-01-31 [patent_title] => 'Palladium catalyst and its use in the preparation of a mixture of optionally substituted cyclohexylamine and optionally substituted dicyclohexylamine' [patent_app_type] => 1 [patent_app_number] => 7/966127 [patent_app_country] => US [patent_app_date] => 1992-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2913 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/386/05386060.pdf [firstpage_image] =>[orig_patent_app_number] => 966127 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/966127
Palladium catalyst and its use in the preparation of a mixture of optionally substituted cyclohexylamine and optionally substituted dicyclohexylamine Oct 22, 1992 Issued
07/964015 PROCESS FOR PRODUCING BISAMINOMETHYLCYCLOHEXANE Oct 20, 1992 Abandoned
Array ( [id] => 3004720 [patent_doc_number] => 05371294 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-12-06 [patent_title] => 'Process for the preparation of a mixture of cyclohexylamine and dicyclohexylamine' [patent_app_type] => 1 [patent_app_number] => 7/955957 [patent_app_country] => US [patent_app_date] => 1992-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3046 [patent_no_of_claims] => 15 [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/05/371/05371294.pdf [firstpage_image] =>[orig_patent_app_number] => 955957 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/955957
Process for the preparation of a mixture of cyclohexylamine and dicyclohexylamine Oct 1, 1992 Issued
Array ( [id] => 3474651 [patent_doc_number] => 05476969 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-12-19 [patent_title] => 'Highly reactive polyoxyalkylene-polyols containing tertiary amino groups in bonded form, their preparation, and their use for the preparation of polyisocyanate polyaddition products' [patent_app_type] => 1 [patent_app_number] => 7/952376 [patent_app_country] => US [patent_app_date] => 1992-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10634 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/476/05476969.pdf [firstpage_image] =>[orig_patent_app_number] => 952376 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/952376
Highly reactive polyoxyalkylene-polyols containing tertiary amino groups in bonded form, their preparation, and their use for the preparation of polyisocyanate polyaddition products Sep 27, 1992 Issued
Array ( [id] => 3047872 [patent_doc_number] => 05286906 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-15 [patent_title] => 'Process for the preparation of 3-aminomethyl-3,5,5-trialkylcyclohexylamine' [patent_app_type] => 1 [patent_app_number] => 7/950688 [patent_app_country] => US [patent_app_date] => 1992-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6190 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/286/05286906.pdf [firstpage_image] =>[orig_patent_app_number] => 950688 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/950688
Process for the preparation of 3-aminomethyl-3,5,5-trialkylcyclohexylamine Sep 24, 1992 Issued
Array ( [id] => 3089762 [patent_doc_number] => 05368867 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-11-29 [patent_title] => 'Process for the accelerated production of stable solutions, in equilibrium, of peracetic acid in low concentrations' [patent_app_type] => 1 [patent_app_number] => 7/923978 [patent_app_country] => US [patent_app_date] => 1992-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1969 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/368/05368867.pdf [firstpage_image] =>[orig_patent_app_number] => 923978 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/923978
Process for the accelerated production of stable solutions, in equilibrium, of peracetic acid in low concentrations Sep 21, 1992 Issued
Array ( [id] => 3022616 [patent_doc_number] => 05288910 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-22 [patent_title] => 'Palladium catalyzed addition of amines to 3,4-epoxy-1-butene' [patent_app_type] => 1 [patent_app_number] => 7/940983 [patent_app_country] => US [patent_app_date] => 1992-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7895 [patent_no_of_claims] => 21 [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/05/288/05288910.pdf [firstpage_image] =>[orig_patent_app_number] => 940983 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/940983
Palladium catalyzed addition of amines to 3,4-epoxy-1-butene Sep 3, 1992 Issued
Array ( [id] => 2978373 [patent_doc_number] => 05225600 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-06 [patent_title] => 'Amines catalysis using group VIB metal-containing condensation catalysts' [patent_app_type] => 1 [patent_app_number] => 7/934901 [patent_app_country] => US [patent_app_date] => 1992-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 35943 [patent_no_of_claims] => 35 [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/05/225/05225600.pdf [firstpage_image] =>[orig_patent_app_number] => 934901 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/934901
Amines catalysis using group VIB metal-containing condensation catalysts Aug 25, 1992 Issued
Array ( [id] => 2970795 [patent_doc_number] => 05202487 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-13 [patent_title] => '2-substituted para-aminophenols and their use for dyeing keratinous fibres' [patent_app_type] => 1 [patent_app_number] => 7/933583 [patent_app_country] => US [patent_app_date] => 1992-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5748 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/202/05202487.pdf [firstpage_image] =>[orig_patent_app_number] => 933583 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/933583
2-substituted para-aminophenols and their use for dyeing keratinous fibres Aug 23, 1992 Issued
07/924583 STABLE SHIPPABLE PEROXYL CONTAINING MICROBICIDE Aug 5, 1992 Abandoned
Array ( [id] => 3019107 [patent_doc_number] => 05288731 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-22 [patent_title] => '2,6-methano-2H-1-benzoxocincarboxylic acids, esters and amides' [patent_app_type] => 1 [patent_app_number] => 7/925044 [patent_app_country] => US [patent_app_date] => 1992-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11397 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/288/05288731.pdf [firstpage_image] =>[orig_patent_app_number] => 925044 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/925044
2,6-methano-2H-1-benzoxocincarboxylic acids, esters and amides Aug 4, 1992 Issued
Array ( [id] => 3099443 [patent_doc_number] => 05319143 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-07 [patent_title] => 'Bis(aminoethanethiols)' [patent_app_type] => 1 [patent_app_number] => 7/923859 [patent_app_country] => US [patent_app_date] => 1992-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1790 [patent_no_of_claims] => 3 [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/05/319/05319143.pdf [firstpage_image] =>[orig_patent_app_number] => 923859 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/923859
Bis(aminoethanethiols) Jul 30, 1992 Issued
07/922258 SUPPORTED NOBLE METAL CATALYST, PROCESS FOR ITS PREPARATION AND PROCESS FOR THE PREPARATION OF A MIXTURE OF CYCLOHEXYLAMINE AND DICYCLOHEXYLAMINE USING THIS CATALYST Jul 29, 1992 Abandoned
Array ( [id] => 3081017 [patent_doc_number] => 05321160 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-14 [patent_title] => 'Process for producing an ethylenamine' [patent_app_type] => 1 [patent_app_number] => 7/921204 [patent_app_country] => US [patent_app_date] => 1992-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16067 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/321/05321160.pdf [firstpage_image] =>[orig_patent_app_number] => 921204 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/921204
Process for producing an ethylenamine Jul 28, 1992 Issued
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