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] => 3023246 [patent_doc_number] => 05326911 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-07-05 [patent_title] => 'Process for the preparation of ortho-amides' [patent_app_type] => 1 [patent_app_number] => 7/916922 [patent_app_country] => US [patent_app_date] => 1992-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4316 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 431 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/326/05326911.pdf [firstpage_image] =>[orig_patent_app_number] => 916922 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/916922
Process for the preparation of ortho-amides Jul 19, 1992 Issued
Array ( [id] => 3077990 [patent_doc_number] => 05296632 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-22 [patent_title] => 'Continuous reduction of a hindered nitro moiety in aliphatic nitro polyamines' [patent_app_type] => 1 [patent_app_number] => 7/908199 [patent_app_country] => US [patent_app_date] => 1992-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5197 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/296/05296632.pdf [firstpage_image] =>[orig_patent_app_number] => 908199 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/908199
Continuous reduction of a hindered nitro moiety in aliphatic nitro polyamines Jul 1, 1992 Issued
Array ( [id] => 2834288 [patent_doc_number] => 05175368 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-29 [patent_title] => 'Process for the preparation of arylalkylamines and substituted arylalkylamines' [patent_app_type] => 1 [patent_app_number] => 7/908587 [patent_app_country] => US [patent_app_date] => 1992-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5314 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/175/05175368.pdf [firstpage_image] =>[orig_patent_app_number] => 908587 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/908587
Process for the preparation of arylalkylamines and substituted arylalkylamines Jun 28, 1992 Issued
Array ( [id] => 2974988 [patent_doc_number] => 05204086 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-20 [patent_title] => 'X-ray contrast agent' [patent_app_type] => 1 [patent_app_number] => 7/902810 [patent_app_country] => US [patent_app_date] => 1992-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4893 [patent_no_of_claims] => 8 [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/05/204/05204086.pdf [firstpage_image] =>[orig_patent_app_number] => 902810 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/902810
X-ray contrast agent Jun 24, 1992 Issued
Array ( [id] => 2992896 [patent_doc_number] => 05347042 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-09-13 [patent_title] => 'Optically active sulphur-containing amino acid derivatives, their preparation, their polymerisation to give optically active polymers and the use thereof' [patent_app_type] => 1 [patent_app_number] => 7/897196 [patent_app_country] => US [patent_app_date] => 1992-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5463 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/347/05347042.pdf [firstpage_image] =>[orig_patent_app_number] => 897196 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/897196
Optically active sulphur-containing amino acid derivatives, their preparation, their polymerisation to give optically active polymers and the use thereof Jun 10, 1992 Issued
Array ( [id] => 3053070 [patent_doc_number] => 05283365 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-01 [patent_title] => 'Process for preparing high-purity aniline' [patent_app_type] => 1 [patent_app_number] => 7/896696 [patent_app_country] => US [patent_app_date] => 1992-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3738 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/283/05283365.pdf [firstpage_image] =>[orig_patent_app_number] => 896696 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/896696
Process for preparing high-purity aniline Jun 9, 1992 Issued
07/890414 ACYCLIC TOCOTRIENOL ANALOGS IN THE TREATMENT OF HYPERCHOLESTEROLEMIA AND HYPERLIPIDEMIA May 28, 1992 Abandoned
07/888266 PREPARATION OF 3-AMINOMETHYL-3,5,5-TRIMETHYL-CYCLOHEXYLAMINE May 21, 1992 Abandoned
Array ( [id] => 2977896 [patent_doc_number] => 05208379 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-04 [patent_title] => 'Hydrolysis of polyurethanes' [patent_app_type] => 1 [patent_app_number] => 7/882776 [patent_app_country] => US [patent_app_date] => 1992-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4847 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/208/05208379.pdf [firstpage_image] =>[orig_patent_app_number] => 882776 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/882776
Hydrolysis of polyurethanes May 13, 1992 Issued
Array ( [id] => 2913295 [patent_doc_number] => 05227528 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-13 [patent_title] => 'Decolorization of polyalkylene polyamines' [patent_app_type] => 1 [patent_app_number] => 7/876638 [patent_app_country] => US [patent_app_date] => 1992-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2092 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/227/05227528.pdf [firstpage_image] =>[orig_patent_app_number] => 876638 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/876638
Decolorization of polyalkylene polyamines Apr 29, 1992 Issued
07/836303 CONTRAST MEDIA Apr 29, 1992 Abandoned
Array ( [id] => 3022634 [patent_doc_number] => 05288911 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-22 [patent_title] => 'Preparation of .alpha.,.omega.-aminoalcohols' [patent_app_type] => 1 [patent_app_number] => 7/872917 [patent_app_country] => US [patent_app_date] => 1992-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4023 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/288/05288911.pdf [firstpage_image] =>[orig_patent_app_number] => 872917 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/872917
Preparation of .alpha.,.omega.-aminoalcohols Apr 21, 1992 Issued
Array ( [id] => 3077972 [patent_doc_number] => 05296631 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-22 [patent_title] => 'Process for producing N-alkyl-N-methylamine or N-alkenyl-N-methylamine' [patent_app_type] => 1 [patent_app_number] => 7/871541 [patent_app_country] => US [patent_app_date] => 1992-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4505 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/296/05296631.pdf [firstpage_image] =>[orig_patent_app_number] => 871541 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/871541
Process for producing N-alkyl-N-methylamine or N-alkenyl-N-methylamine Apr 20, 1992 Issued
07/870866 NOVEL ETHYLENE ALPHA-OLEFIN COPOLYMER SUBSTITUTED AMINO PHENOL MANNICH BASE LUBRICANT DISPERSANT ADDITIVES Apr 19, 1992 Abandoned
Array ( [id] => 2894600 [patent_doc_number] => 05210308 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-11 [patent_title] => 'Process for the production of modified H-mordenite, catalyst comprising said H-mordenite and process for the synthesis of methylamine with the use of the same' [patent_app_type] => 1 [patent_app_number] => 7/868844 [patent_app_country] => US [patent_app_date] => 1992-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 15 [patent_no_of_words] => 4153 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/210/05210308.pdf [firstpage_image] =>[orig_patent_app_number] => 868844 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/868844
Process for the production of modified H-mordenite, catalyst comprising said H-mordenite and process for the synthesis of methylamine with the use of the same Apr 15, 1992 Issued
Array ( [id] => 2920894 [patent_doc_number] => 05206410 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-27 [patent_title] => 'Multifunctional synthons as used in the preparation of cascade polymers or unimolecular micelles' [patent_app_type] => 1 [patent_app_number] => 7/868449 [patent_app_country] => US [patent_app_date] => 1992-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4013 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/206/05206410.pdf [firstpage_image] =>[orig_patent_app_number] => 868449 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/868449
Multifunctional synthons as used in the preparation of cascade polymers or unimolecular micelles Apr 13, 1992 Issued
Array ( [id] => 3001369 [patent_doc_number] => 05359141 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-25 [patent_title] => 'Process for the production of polynuclear aromatic polyamines' [patent_app_type] => 1 [patent_app_number] => 7/863938 [patent_app_country] => US [patent_app_date] => 1992-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6471 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 582 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/359/05359141.pdf [firstpage_image] =>[orig_patent_app_number] => 863938 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/863938
Process for the production of polynuclear aromatic polyamines Apr 5, 1992 Issued
Array ( [id] => 2931969 [patent_doc_number] => 05260061 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-09 [patent_title] => 'Propionibacteria metabolites inhibit spoilage yeast in foods' [patent_app_type] => 1 [patent_app_number] => 7/852292 [patent_app_country] => US [patent_app_date] => 1992-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7366 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/260/05260061.pdf [firstpage_image] =>[orig_patent_app_number] => 852292 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/852292
Propionibacteria metabolites inhibit spoilage yeast in foods Mar 15, 1992 Issued
Array ( [id] => 2978314 [patent_doc_number] => 05225597 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-06 [patent_title] => 'Selective, high purity preparation of N-monoalkyl alkylenediamines' [patent_app_type] => 1 [patent_app_number] => 7/852361 [patent_app_country] => US [patent_app_date] => 1992-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4156 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/225/05225597.pdf [firstpage_image] =>[orig_patent_app_number] => 852361 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/852361
Selective, high purity preparation of N-monoalkyl alkylenediamines Mar 12, 1992 Issued
Array ( [id] => 2894618 [patent_doc_number] => 05210309 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-11 [patent_title] => 'Multifunctional synthons as used in the preparation of cascade polymers or unimolecular micelles' [patent_app_type] => 1 [patent_app_number] => 7/849658 [patent_app_country] => US [patent_app_date] => 1992-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4029 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/210/05210309.pdf [firstpage_image] =>[orig_patent_app_number] => 849658 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/849658
Multifunctional synthons as used in the preparation of cascade polymers or unimolecular micelles Mar 8, 1992 Issued
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