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] => 3122472 [patent_doc_number] => 05380942 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-01-10 [patent_title] => 'Bis ureido compositions' [patent_app_type] => 1 [patent_app_number] => 8/118556 [patent_app_country] => US [patent_app_date] => 1993-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4457 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 12 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/380/05380942.pdf [firstpage_image] =>[orig_patent_app_number] => 118556 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/118556
Bis ureido compositions Sep 8, 1993 Issued
Array ( [id] => 3112687 [patent_doc_number] => 05414129 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-09 [patent_title] => 'Process for the purification of 2-[(dimethylamino)methyl]-1-(3-methoxyphenyl)cyclohexanol and its salts' [patent_app_type] => 1 [patent_app_number] => 8/117803 [patent_app_country] => US [patent_app_date] => 1993-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1276 [patent_no_of_claims] => 6 [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/05/414/05414129.pdf [firstpage_image] =>[orig_patent_app_number] => 117803 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/117803
Process for the purification of 2-[(dimethylamino)methyl]-1-(3-methoxyphenyl)cyclohexanol and its salts Sep 7, 1993 Issued
08/117848 PROCESS FOR THE PREPARATION OF AMINES Sep 6, 1993 Abandoned
Array ( [id] => 3078683 [patent_doc_number] => 05322965 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-21 [patent_title] => 'Process for the preparation of a mixture of cyclohexylamine and dicyclohexylamine using a supported noble metal catalyst' [patent_app_type] => 1 [patent_app_number] => 8/113581 [patent_app_country] => US [patent_app_date] => 1993-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4366 [patent_no_of_claims] => 9 [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/05/322/05322965.pdf [firstpage_image] =>[orig_patent_app_number] => 113581 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/113581
Process for the preparation of a mixture of cyclohexylamine and dicyclohexylamine using a supported noble metal catalyst Aug 26, 1993 Issued
Array ( [id] => 3030969 [patent_doc_number] => 05349109 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-09-20 [patent_title] => 'Molybdenum-catalyzed amination of olefins' [patent_app_type] => 1 [patent_app_number] => 8/112908 [patent_app_country] => US [patent_app_date] => 1993-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1445 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/349/05349109.pdf [firstpage_image] =>[orig_patent_app_number] => 112908 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/112908
Molybdenum-catalyzed amination of olefins Aug 25, 1993 Issued
Array ( [id] => 3074700 [patent_doc_number] => 05364971 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-11-15 [patent_title] => 'Decolorization of polyethylene polyamines using ruthenium' [patent_app_type] => 1 [patent_app_number] => 8/111750 [patent_app_country] => US [patent_app_date] => 1993-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2182 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/364/05364971.pdf [firstpage_image] =>[orig_patent_app_number] => 111750 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/111750
Decolorization of polyethylene polyamines using ruthenium Aug 24, 1993 Issued
08/107768 AQUEOUS TEXTILE AUXILIARY COMPOSITION Aug 24, 1993 Abandoned
Array ( [id] => 2998640 [patent_doc_number] => 05362914 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-11-08 [patent_title] => 'Decolorization of polyethylene polyamines using cobalt/copper/chromium' [patent_app_type] => 1 [patent_app_number] => 8/111580 [patent_app_country] => US [patent_app_date] => 1993-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1753 [patent_no_of_claims] => 14 [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/05/362/05362914.pdf [firstpage_image] =>[orig_patent_app_number] => 111580 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/111580
Decolorization of polyethylene polyamines using cobalt/copper/chromium Aug 24, 1993 Issued
08/109875 PROCESS FOR MAKING AMINO AMIDES Aug 19, 1993 Abandoned
Array ( [id] => 3010215 [patent_doc_number] => 05354893 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-11 [patent_title] => 'CMS/SiO.sub.2 /Al.sub.2 O.sub.3 catalysts for improved selectivity in the synthesis of amines from methanol and/or dimethyl ether and ammonia' [patent_app_type] => 1 [patent_app_number] => 8/100463 [patent_app_country] => US [patent_app_date] => 1993-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 9279 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/354/05354893.pdf [firstpage_image] =>[orig_patent_app_number] => 100463 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/100463
CMS/SiO.sub.2 /Al.sub.2 O.sub.3 catalysts for improved selectivity in the synthesis of amines from methanol and/or dimethyl ether and ammonia Jul 29, 1993 Issued
08/094361 PREPARATION OF ISOPHORONE DIAMINE Jul 26, 1993 Pending
Array ( [id] => 3022573 [patent_doc_number] => 05288908 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-22 [patent_title] => 'Process for the preparation of fluorine containing monomers' [patent_app_type] => 1 [patent_app_number] => 8/093932 [patent_app_country] => US [patent_app_date] => 1993-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3205 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/288/05288908.pdf [firstpage_image] =>[orig_patent_app_number] => 093932 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/093932
Process for the preparation of fluorine containing monomers Jul 18, 1993 Issued
Array ( [id] => 3004685 [patent_doc_number] => 05371292 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-12-06 [patent_title] => 'Preparation of 3-aminomethyl-3,5,5-trimethyl-cyclohexylamine' [patent_app_type] => 1 [patent_app_number] => 8/092029 [patent_app_country] => US [patent_app_date] => 1993-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2911 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/371/05371292.pdf [firstpage_image] =>[orig_patent_app_number] => 092029 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/092029
Preparation of 3-aminomethyl-3,5,5-trimethyl-cyclohexylamine Jul 14, 1993 Issued
08/088704 DETERGENT COMPOSITIONS COMPRISING SOIL RELEASE AGENTS Jul 7, 1993 Pending
08/088705 MIXED END-CAPPED ESTER OLIGOMERS SUITABLE AS SOIL RELEASE AGENTS IN DETERGENT COMPOSITIONS Jul 7, 1993 Pending
08/086497 PREPARATION OF METHYLAMINES USING SHAPE SELECTIVE CHABAZITES Jun 30, 1993 Pending
Array ( [id] => 3009966 [patent_doc_number] => 05331102 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-07-19 [patent_title] => 'Method for decolorization of alkanolamines and alkyleneamines' [patent_app_type] => 1 [patent_app_number] => 8/083663 [patent_app_country] => US [patent_app_date] => 1993-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5714 [patent_no_of_claims] => 18 [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/05/331/05331102.pdf [firstpage_image] =>[orig_patent_app_number] => 083663 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/083663
Method for decolorization of alkanolamines and alkyleneamines Jun 27, 1993 Issued
08/079870 NOVEL PYRAZOLE DERIVATIVES, METHOD OF PREPARING THEM AND PHARMACEUTICAL COMPOSISTIONS IN WHICH THEY ARE PRESENT Jun 22, 1993 Pending
Array ( [id] => 3098012 [patent_doc_number] => 05298661 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-29 [patent_title] => 'Charge transporting materials and electrophotographic photoconductors using the same' [patent_app_type] => 1 [patent_app_number] => 8/077968 [patent_app_country] => US [patent_app_date] => 1993-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 18 [patent_no_of_words] => 18968 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/298/05298661.pdf [firstpage_image] =>[orig_patent_app_number] => 077968 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/077968
Charge transporting materials and electrophotographic photoconductors using the same Jun 17, 1993 Issued
Array ( [id] => 3056077 [patent_doc_number] => 05344989 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-09-06 [patent_title] => 'Zeolite ZK-5 catalyst for conversion of methanol and ammonia to monomethylamine and dimethylamine' [patent_app_type] => 1 [patent_app_number] => 8/077578 [patent_app_country] => US [patent_app_date] => 1993-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4547 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/344/05344989.pdf [firstpage_image] =>[orig_patent_app_number] => 077578 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/077578
Zeolite ZK-5 catalyst for conversion of methanol and ammonia to monomethylamine and dimethylamine Jun 14, 1993 Issued
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