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] => 2928324 [patent_doc_number] => 05187190 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-02-16 [patent_title] => 'Phenoxypropanolamine compounds' [patent_app_type] => 1 [patent_app_number] => 7/608475 [patent_app_country] => US [patent_app_date] => 1990-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6167 [patent_no_of_claims] => 7 [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/05/187/05187190.pdf [firstpage_image] =>[orig_patent_app_number] => 608475 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/608475
Phenoxypropanolamine compounds Nov 1, 1990 Issued
Array ( [id] => 2852275 [patent_doc_number] => 05105012 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-14 [patent_title] => 'Catalytic reduction of dinitrobenzenes using a noble metal catalyst and iron or iron salts' [patent_app_type] => 1 [patent_app_number] => 7/595901 [patent_app_country] => US [patent_app_date] => 1990-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5483 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/105/05105012.pdf [firstpage_image] =>[orig_patent_app_number] => 595901 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/595901
Catalytic reduction of dinitrobenzenes using a noble metal catalyst and iron or iron salts Oct 10, 1990 Issued
Array ( [id] => 2708067 [patent_doc_number] => 05068428 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-11-26 [patent_title] => 'Process for the preparation of cyclopropanecarboxamide' [patent_app_type] => 1 [patent_app_number] => 7/588251 [patent_app_country] => US [patent_app_date] => 1990-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2490 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/068/05068428.pdf [firstpage_image] =>[orig_patent_app_number] => 588251 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/588251
Process for the preparation of cyclopropanecarboxamide Sep 25, 1990 Issued
07/583618 FOR ACYTCLIC TOCOTRIENOL ANALOGS IN THE TREATMENT OF HYPERCHOLESTEROLEMIA AND HYPERLIPIDEMIA Sep 13, 1990 Abandoned
Array ( [id] => 2755840 [patent_doc_number] => 05072047 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-10 [patent_title] => 'Ortho-alkylation of aromatic amines' [patent_app_type] => 1 [patent_app_number] => 7/582446 [patent_app_country] => US [patent_app_date] => 1990-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3477 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/072/05072047.pdf [firstpage_image] =>[orig_patent_app_number] => 582446 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/582446
Ortho-alkylation of aromatic amines Sep 12, 1990 Issued
07/581837 PROCESS FOR THE PREPARATION OF 2,4- OR 2,6-DIHALOGENOANILINE Sep 11, 1990 Abandoned
Array ( [id] => 2794064 [patent_doc_number] => 05103061 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-07 [patent_title] => 'Synthesis of hydrocarbyl amines' [patent_app_type] => 1 [patent_app_number] => 7/571652 [patent_app_country] => US [patent_app_date] => 1990-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2538 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/103/05103061.pdf [firstpage_image] =>[orig_patent_app_number] => 571652 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/571652
Synthesis of hydrocarbyl amines Sep 5, 1990 Issued
Array ( [id] => 2776440 [patent_doc_number] => 05075503 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-24 [patent_title] => 'Hydrazine terminated polyoxyalkylene amines' [patent_app_type] => 1 [patent_app_number] => 7/576826 [patent_app_country] => US [patent_app_date] => 1990-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2332 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 12 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/075/05075503.pdf [firstpage_image] =>[orig_patent_app_number] => 576826 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/576826
Hydrazine terminated polyoxyalkylene amines Sep 3, 1990 Issued
Array ( [id] => 2674823 [patent_doc_number] => 05026913 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-25 [patent_title] => 'Hydrocarbylphenyl diaminodithiol derivatives' [patent_app_type] => 1 [patent_app_number] => 7/576163 [patent_app_country] => US [patent_app_date] => 1990-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15360 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/026/05026913.pdf [firstpage_image] =>[orig_patent_app_number] => 576163 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/576163
Hydrocarbylphenyl diaminodithiol derivatives Aug 29, 1990 Issued
Array ( [id] => 2838298 [patent_doc_number] => 05120875 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-09 [patent_title] => 'Process for the preparation of chlorine-substituted aromatic amines' [patent_app_type] => 1 [patent_app_number] => 7/566593 [patent_app_country] => US [patent_app_date] => 1990-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2635 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/120/05120875.pdf [firstpage_image] =>[orig_patent_app_number] => 566593 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/566593
Process for the preparation of chlorine-substituted aromatic amines Aug 12, 1990 Issued
Array ( [id] => 2876928 [patent_doc_number] => 05118695 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-02 [patent_title] => '1-hydroxyindole fungicides' [patent_app_type] => 1 [patent_app_number] => 7/562998 [patent_app_country] => US [patent_app_date] => 1990-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5368 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/118/05118695.pdf [firstpage_image] =>[orig_patent_app_number] => 562998 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/562998
1-hydroxyindole fungicides Aug 5, 1990 Issued
Array ( [id] => 2774051 [patent_doc_number] => 05132326 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-21 [patent_title] => 'Cyclopropanethiocarboxamides' [patent_app_type] => 1 [patent_app_number] => 7/561613 [patent_app_country] => US [patent_app_date] => 1990-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4059 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/132/05132326.pdf [firstpage_image] =>[orig_patent_app_number] => 561613 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/561613
Cyclopropanethiocarboxamides Aug 1, 1990 Issued
Array ( [id] => 2849704 [patent_doc_number] => 05107027 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-21 [patent_title] => 'Tert-butylamine synthesis over montmorillonite clays' [patent_app_type] => 1 [patent_app_number] => 7/561408 [patent_app_country] => US [patent_app_date] => 1990-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 5610 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/107/05107027.pdf [firstpage_image] =>[orig_patent_app_number] => 561408 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/561408
Tert-butylamine synthesis over montmorillonite clays Jul 31, 1990 Issued
Array ( [id] => 2959755 [patent_doc_number] => 05198467 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-30 [patent_title] => 'Insecticide for imported fire ants and other insect pests' [patent_app_type] => 1 [patent_app_number] => 7/558753 [patent_app_country] => US [patent_app_date] => 1990-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5951 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/198/05198467.pdf [firstpage_image] =>[orig_patent_app_number] => 558753 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/558753
Insecticide for imported fire ants and other insect pests Jul 26, 1990 Issued
Array ( [id] => 2852256 [patent_doc_number] => 05105011 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-14 [patent_title] => 'Process for the hydrogenation of halogenonitro-aromatic compounds in the presence of an iodide' [patent_app_type] => 1 [patent_app_number] => 7/554514 [patent_app_country] => US [patent_app_date] => 1990-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1768 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/105/05105011.pdf [firstpage_image] =>[orig_patent_app_number] => 554514 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/554514
Process for the hydrogenation of halogenonitro-aromatic compounds in the presence of an iodide Jul 19, 1990 Issued
07/553927 MULTIFUNCTIONAL SYNTHONS AS USED IN THE PREPARATION OF CASCADE POLYMERS OR UNIMOLECULAR MICELLES Jul 12, 1990 Abandoned
07/548416 NOVEL CARBOXAMIDE NON-IONIC CONTRAST MEDIA Jul 4, 1990 Abandoned
Array ( [id] => 2788800 [patent_doc_number] => 05155271 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-13 [patent_title] => 'Process for the alkylation of aromatic amines' [patent_app_type] => 1 [patent_app_number] => 7/543245 [patent_app_country] => US [patent_app_date] => 1990-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5095 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/155/05155271.pdf [firstpage_image] =>[orig_patent_app_number] => 543245 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/543245
Process for the alkylation of aromatic amines Jun 24, 1990 Issued
Array ( [id] => 2748713 [patent_doc_number] => 05015769 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-14 [patent_title] => '3-amino-4-nitrophenols, the process for preparation thereof and their use in dyeing keratinous fibers, and new intermediate 4,5-dinitrophenols' [patent_app_type] => 1 [patent_app_number] => 7/540263 [patent_app_country] => US [patent_app_date] => 1990-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4089 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 261 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/015/05015769.pdf [firstpage_image] =>[orig_patent_app_number] => 540263 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/540263
3-amino-4-nitrophenols, the process for preparation thereof and their use in dyeing keratinous fibers, and new intermediate 4,5-dinitrophenols Jun 18, 1990 Issued
07/460138 METHOD OF SYNTHESIS OF SULPHONYLIMIDES May 31, 1990 Abandoned
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