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] => 16855051 [patent_doc_number] => 20210155796 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-27 [patent_title] => POLY(LACTIC ACID)-BASED MATERIALS BY METHOD UTILIZING MELT STRETCHING AND COLD CRYSTALLIZATION [patent_app_type] => utility [patent_app_number] => 17/027990 [patent_app_country] => US [patent_app_date] => 2020-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3956 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17027990 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/027990
POLY(LACTIC ACID)-BASED MATERIALS BY METHOD UTILIZING MELT STRETCHING AND COLD CRYSTALLIZATION Sep 21, 2020 Pending
Array ( [id] => 18036320 [patent_doc_number] => 20220380535 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => POLYPHENYLENE ETHER MELT EXTRUSION FORMED BODY AND METHOD FOR PRODUCING POLYPHENYLENE ETHER MELT EXTRUSION FORMED BODY [patent_app_type] => utility [patent_app_number] => 17/763042 [patent_app_country] => US [patent_app_date] => 2020-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13651 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17763042 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/763042
Polyphenylene ether melt extrusion formed body and method for producing polyphenylene ether melt extrusion formed body Sep 17, 2020 Issued
Array ( [id] => 16557269 [patent_doc_number] => 20210002417 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-07 [patent_title] => BLOCK COPOLYMERS OF CYCLIC ESTERS AND PROCESSES FOR PREPARING SAME [patent_app_type] => utility [patent_app_number] => 17/023463 [patent_app_country] => US [patent_app_date] => 2020-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28395 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17023463 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/023463
Block copolymers of cyclic esters and processes for preparing same Sep 16, 2020 Issued
Array ( [id] => 19940200 [patent_doc_number] => 12312322 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Diol compound, polycarbonate, and preparation method thereof [patent_app_type] => utility [patent_app_number] => 17/611057 [patent_app_country] => US [patent_app_date] => 2020-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 1974 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17611057 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/611057
Diol compound, polycarbonate, and preparation method thereof Sep 2, 2020 Issued
Array ( [id] => 16511676 [patent_doc_number] => 20200390933 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-17 [patent_title] => ARTICLES OF POLY(BUTYLENE SUCCINATE) AND COPOLYMERS THEREOF [patent_app_type] => utility [patent_app_number] => 17/007583 [patent_app_country] => US [patent_app_date] => 2020-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 98430 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17007583 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/007583
Articles of poly(butylene succinate) and copolymers thereof Aug 30, 2020 Issued
Array ( [id] => 19210814 [patent_doc_number] => 11999862 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-04 [patent_title] => Polymer filaments comprising an aqueous-soluble imide polymer and use thereof as a sacrificial printing material in additive manufacturing [patent_app_type] => utility [patent_app_number] => 17/004861 [patent_app_country] => US [patent_app_date] => 2020-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 11617 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 386 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17004861 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/004861
Polymer filaments comprising an aqueous-soluble imide polymer and use thereof as a sacrificial printing material in additive manufacturing Aug 26, 2020 Issued
Array ( [id] => 20578545 [patent_doc_number] => 12570787 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-10 [patent_title] => Curable compositions and articles prepared therefrom [patent_app_type] => utility [patent_app_number] => 18/042802 [patent_app_country] => US [patent_app_date] => 2020-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9997 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18042802 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/042802
Curable compositions and articles prepared therefrom Aug 26, 2020 Issued
Array ( [id] => 16484058 [patent_doc_number] => 20200377659 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-03 [patent_title] => MONOMER, POLYMER, COMPENSATION FILM, OPTICAL FILM, AND DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 16/999277 [patent_app_country] => US [patent_app_date] => 2020-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24688 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 420 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16999277 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/999277
Monomer, polymer, compensation film, optical film, and display device Aug 20, 2020 Issued
Array ( [id] => 16468700 [patent_doc_number] => 20200370237 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-26 [patent_title] => Methods For Modification Of Aramid Fibers [patent_app_type] => utility [patent_app_number] => 16/989146 [patent_app_country] => US [patent_app_date] => 2020-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7993 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16989146 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/989146
Methods for modification of aramid fibers Aug 9, 2020 Issued
Array ( [id] => 19977248 [patent_doc_number] => 12344710 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-01 [patent_title] => Semi-crystalline copolyamides, moulding compounds comprising same and their use, and mouldings manufactured from same [patent_app_type] => utility [patent_app_number] => 16/987913 [patent_app_country] => US [patent_app_date] => 2020-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3370 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16987913 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/987913
Semi-crystalline copolyamides, moulding compounds comprising same and their use, and mouldings manufactured from same Aug 6, 2020 Issued
Array ( [id] => 18764105 [patent_doc_number] => 11814491 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-14 [patent_title] => Transparent film, optical material comprising the same, and display device comprising the same [patent_app_type] => utility [patent_app_number] => 16/985562 [patent_app_country] => US [patent_app_date] => 2020-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 6025 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16985562 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/985562
Transparent film, optical material comprising the same, and display device comprising the same Aug 4, 2020 Issued
Array ( [id] => 17913310 [patent_doc_number] => 20220315705 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => POLYESTER POLYOL COMPRISING AN IMIDE MOIETY AND METHODS OF MANUFACTURE THEREOF [patent_app_type] => utility [patent_app_number] => 17/631707 [patent_app_country] => US [patent_app_date] => 2020-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3914 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17631707 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/631707
Polyester polyol comprising an imide moiety and methods of manufacture thereof Aug 4, 2020 Issued
Array ( [id] => 16613847 [patent_doc_number] => 20210032500 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-04 [patent_title] => Process for a Continuous Reaction with Feedstocks Derived from Bio-Renewable Resources [patent_app_type] => utility [patent_app_number] => 16/945844 [patent_app_country] => US [patent_app_date] => 2020-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4978 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 316 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16945844 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/945844
Process for a continuous reaction with feedstocks derived from Bio-Renewable resources Jul 31, 2020 Issued
Array ( [id] => 20077639 [patent_doc_number] => 12351689 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-08 [patent_title] => Networked silicones and related compositions, methods, and compounds [patent_app_type] => utility [patent_app_number] => 17/629302 [patent_app_country] => US [patent_app_date] => 2020-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 18 [patent_no_of_words] => 18264 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17629302 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/629302
Networked silicones and related compositions, methods, and compounds Jul 21, 2020 Issued
Array ( [id] => 18871250 [patent_doc_number] => 11859038 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-02 [patent_title] => Method for manufacturing a block copolymer of polyamide acid [patent_app_type] => utility [patent_app_number] => 16/936204 [patent_app_country] => US [patent_app_date] => 2020-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4672 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16936204 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/936204
Method for manufacturing a block copolymer of polyamide acid Jul 21, 2020 Issued
Array ( [id] => 16597948 [patent_doc_number] => 20210024479 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-28 [patent_title] => SYSTEMS AND METHODS FOR REGIOSELECTIVE CARBONYLATION OF 2,2-DISUBSTITUTED EPOXIDES FOR THE PRODUCTION OF ALPHA,ALPHA-DISUBSTITUTED BETA-LACTONES [patent_app_type] => utility [patent_app_number] => 16/936322 [patent_app_country] => US [patent_app_date] => 2020-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16109 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 12 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16936322 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/936322
Systems and methods for regioselective carbonylation of 2,2-disubstituted epoxides for the production of alpha,alpha-disubstituted beta-lactones Jul 21, 2020 Issued
Array ( [id] => 19809584 [patent_doc_number] => 12240955 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-04 [patent_title] => Method for producing composition for melt processing [patent_app_type] => utility [patent_app_number] => 17/627356 [patent_app_country] => US [patent_app_date] => 2020-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 7386 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17627356 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/627356
Method for producing composition for melt processing Jul 9, 2020 Issued
Array ( [id] => 17343735 [patent_doc_number] => 20220010066 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-13 [patent_title] => HIGHLY SPHERICAL POLYAMIDE MICROPARTICLES AND SYNTHESIS METHODS RELATED THERETO [patent_app_type] => utility [patent_app_number] => 16/925780 [patent_app_country] => US [patent_app_date] => 2020-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11713 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16925780 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/925780
Highly spherical polyamide microparticles and synthesis methods related thereto Jul 9, 2020 Issued
Array ( [id] => 18216546 [patent_doc_number] => 11591469 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-28 [patent_title] => Resin composition and article made therefrom [patent_app_type] => utility [patent_app_number] => 16/923340 [patent_app_country] => US [patent_app_date] => 2020-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11675 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16923340 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/923340
Resin composition and article made therefrom Jul 7, 2020 Issued
Array ( [id] => 17913416 [patent_doc_number] => 20220315811 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => HMPSA CROSSLINKABLE UNDER UV IRRADIATION [patent_app_type] => utility [patent_app_number] => 17/618048 [patent_app_country] => US [patent_app_date] => 2020-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6616 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17618048 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/618048
HMPSA CROSSLINKABLE UNDER UV IRRADIATION Jul 5, 2020 Pending
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