Search

Eric Chang

Examiner (ID: 15894, Phone: (571)272-3671 , Office: P/2116 )

Most Active Art Unit
2116
Art Unit(s)
2186, 2116, 2185
Total Applications
657
Issued Applications
458
Pending Applications
14
Abandoned Applications
185

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 11799695 [patent_doc_number] => 09540486 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-01-10 [patent_title] => 'Aromatic dispersant composition' [patent_app_type] => utility [patent_app_number] => 14/397203 [patent_app_country] => US [patent_app_date] => 2013-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22685 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14397203 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/397203
Aromatic dispersant composition Apr 24, 2013 Issued
Array ( [id] => 10227027 [patent_doc_number] => 20150112020 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-04-23 [patent_title] => 'AROMATIC DISPERSANT COMPOSITION' [patent_app_type] => utility [patent_app_number] => 14/397206 [patent_app_country] => US [patent_app_date] => 2013-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15807 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14397206 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/397206
Aromatic dispersant composition Apr 23, 2013 Issued
Array ( [id] => 9512080 [patent_doc_number] => 20140148571 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-05-29 [patent_title] => 'Hexafluoroisopropanol Group-Containing Diamine, Polyimide And Polyamide Using Same, Cyclized Product Thereof, And Method For Producing Same' [patent_app_type] => utility [patent_app_number] => 13/868793 [patent_app_country] => US [patent_app_date] => 2013-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14530 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13868793 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/868793
Hexafluoroisopropanol group-containing diamine, polyimide and polyamide using same, cyclized product thereof, and method for producing same Apr 22, 2013 Issued
Array ( [id] => 11698906 [patent_doc_number] => 09688809 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-06-27 [patent_title] => 'Method for purifying aliphatic polyester and aliphatic polyester purified with said method' [patent_app_type] => utility [patent_app_number] => 14/785490 [patent_app_country] => US [patent_app_date] => 2013-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10277 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14785490 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/785490
Method for purifying aliphatic polyester and aliphatic polyester purified with said method Apr 18, 2013 Issued
Array ( [id] => 10476202 [patent_doc_number] => 20150361219 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-17 [patent_title] => 'BIODEGRADABLE SURFACTANT, PREPARATION METHOD AND USE THEREOF' [patent_app_type] => utility [patent_app_number] => 14/762763 [patent_app_country] => US [patent_app_date] => 2013-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5894 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14762763 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/762763
Biodegradable surfactant, preparation method and use thereof Apr 18, 2013 Issued
Array ( [id] => 9004645 [patent_doc_number] => 20130225770 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-29 [patent_title] => 'Polyamide Resin' [patent_app_type] => utility [patent_app_number] => 13/862665 [patent_app_country] => US [patent_app_date] => 2013-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5934 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13862665 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/862665
Polyamide Resin Apr 14, 2013 Abandoned
Array ( [id] => 10202763 [patent_doc_number] => 20150087752 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-03-26 [patent_title] => 'THERMOPLASTIC POLYMER FORMULATION CONTAINING POLYAMIDES/EVOH AND POLYOLEFINS, USE AND PRODUCTS THEREOF' [patent_app_type] => utility [patent_app_number] => 14/388600 [patent_app_country] => US [patent_app_date] => 2013-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5039 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14388600 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/388600
THERMOPLASTIC POLYMER FORMULATION CONTAINING POLYAMIDES/EVOH AND POLYOLEFINS, USE AND PRODUCTS THEREOF Mar 28, 2013 Abandoned
Array ( [id] => 13220651 [patent_doc_number] => 10124086 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-11-13 [patent_title] => Composition, molded article, thread, medical kit and medical product with improved degradation profile [patent_app_type] => utility [patent_app_number] => 14/394804 [patent_app_country] => US [patent_app_date] => 2013-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8666 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14394804 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/394804
Composition, molded article, thread, medical kit and medical product with improved degradation profile Mar 27, 2013 Issued
Array ( [id] => 11859081 [patent_doc_number] => 09738755 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-08-22 [patent_title] => 'Molding polyamides, methods for the production thereof, and use thereof' [patent_app_type] => utility [patent_app_number] => 14/402612 [patent_app_country] => US [patent_app_date] => 2013-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4255 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14402612 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/402612
Molding polyamides, methods for the production thereof, and use thereof Mar 21, 2013 Issued
Array ( [id] => 9739750 [patent_doc_number] => 20140275470 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-18 [patent_title] => 'DIANHYDRIDE MONOMER HAVING SIDE CHAIN, POLYIMIDE COMPOUND HAVING SIDE CHAIN AND MANUFACTURING METHOD THEREOF' [patent_app_type] => utility [patent_app_number] => 13/845311 [patent_app_country] => US [patent_app_date] => 2013-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5211 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13845311 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/845311
Dianhydride monomer having side chain, polyimide compound having side chain and manufacturing method thereof Mar 17, 2013 Issued
Array ( [id] => 10001517 [patent_doc_number] => 09045597 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-06-02 [patent_title] => 'Polyimide compound having side chain and manufacturing method thereof' [patent_app_type] => utility [patent_app_number] => 13/845463 [patent_app_country] => US [patent_app_date] => 2013-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4385 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13845463 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/845463
Polyimide compound having side chain and manufacturing method thereof Mar 17, 2013 Issued
Array ( [id] => 8939825 [patent_doc_number] => 20130189622 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-25 [patent_title] => 'BLOCK COPOLYMER OF POLYMIDE AND POLYAMIC ACID, METHOD FOR PRODUCING THE BLOCK COPOLYMER, PHOTOSENSITIVE RESIN COMPOSITION COMPRISING THE BLOCK COPOLYMER AND PROTECTIVE FILM FORMED USING THE BLOCK COPOLYMER' [patent_app_type] => utility [patent_app_number] => 13/796526 [patent_app_country] => US [patent_app_date] => 2013-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5602 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13796526 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/796526
BLOCK COPOLYMER OF POLYMIDE AND POLYAMIC ACID, METHOD FOR PRODUCING THE BLOCK COPOLYMER, PHOTOSENSITIVE RESIN COMPOSITION COMPRISING THE BLOCK COPOLYMER AND PROTECTIVE FILM FORMED USING THE BLOCK COPOLYMER Mar 11, 2013 Abandoned
Array ( [id] => 10642619 [patent_doc_number] => 09359477 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-06-07 [patent_title] => 'Production method for polyamide' [patent_app_type] => utility [patent_app_number] => 14/381182 [patent_app_country] => US [patent_app_date] => 2013-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 10920 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 264 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14381182 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/381182
Production method for polyamide Feb 24, 2013 Issued
Array ( [id] => 8885042 [patent_doc_number] => 20130158226 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-20 [patent_title] => 'METHODS OF RING OPENING POLYMERIZATION AND CATALYSTS THEREFOR' [patent_app_type] => utility [patent_app_number] => 13/771552 [patent_app_country] => US [patent_app_date] => 2013-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 13278 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13771552 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/771552
Methods of ring opening polymerization and catalysts therefor Feb 19, 2013 Issued
Array ( [id] => 9004660 [patent_doc_number] => 20130225785 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-29 [patent_title] => 'PRODUCTION OF CAPROLACTAM FROM ADIPIC ACID' [patent_app_type] => utility [patent_app_number] => 13/766705 [patent_app_country] => US [patent_app_date] => 2013-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7763 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 20 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13766705 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/766705
Production of caprolactam from adipic acid Feb 12, 2013 Issued
Array ( [id] => 10663710 [patent_doc_number] => 20160009855 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-01-14 [patent_title] => 'METHOD FOR PERFORMING MECHANICAL, CHEMICAL AND/OR THERMAL PROCESSES' [patent_app_type] => utility [patent_app_number] => 14/377635 [patent_app_country] => US [patent_app_date] => 2013-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2004 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14377635 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/377635
METHOD FOR PERFORMING MECHANICAL, CHEMICAL AND/OR THERMAL PROCESSES Feb 7, 2013 Abandoned
Array ( [id] => 8905014 [patent_doc_number] => 20130172517 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-04 [patent_title] => 'PREPARATION OF LOW MOLECULAR WEIGHT POLYORNITHINE IN HIGH YIELD' [patent_app_type] => utility [patent_app_number] => 13/759247 [patent_app_country] => US [patent_app_date] => 2013-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7278 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13759247 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/759247
Preparation of low molecular weight polyornithine in high yield Feb 4, 2013 Issued
Array ( [id] => 8940677 [patent_doc_number] => 20130190474 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-25 [patent_title] => 'EPICHLOROHYDRIN, MANUFACTURING PROCESS AND USE' [patent_app_type] => utility [patent_app_number] => 13/755236 [patent_app_country] => US [patent_app_date] => 2013-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 30017 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13755236 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/755236
EPICHLOROHYDRIN, MANUFACTURING PROCESS AND USE Jan 30, 2013 Abandoned
Array ( [id] => 8830237 [patent_doc_number] => 20130131282 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-23 [patent_title] => 'PRODUCTION METHOD OF POLYHYDROXYIMIDE AND POSITIVE PHOTOSENSITIVE RESIN COMPOSITION CONTAINING POLYHYDROXYIMIDE OBTAINED BY THE PRODUCTION METHOD' [patent_app_type] => utility [patent_app_number] => 13/742860 [patent_app_country] => US [patent_app_date] => 2013-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13888 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13742860 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/742860
Production method of polyhydroxyimide and positive photosensitive resin composition containing polyhydroxyimide obtained by the production method Jan 15, 2013 Issued
Array ( [id] => 9772744 [patent_doc_number] => 20140296408 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-10-02 [patent_title] => 'Insulation Material for Electronic Device' [patent_app_type] => utility [patent_app_number] => 14/349351 [patent_app_country] => US [patent_app_date] => 2013-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7745 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14349351 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/349351
Insulation Material for Electronic Device Jan 10, 2013 Abandoned
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