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] => 18329315 [patent_doc_number] => 11634543 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-25 [patent_title] => Polyimide polymer, polyimide mixture and polyimide film [patent_app_type] => utility [patent_app_number] => 17/314113 [patent_app_country] => US [patent_app_date] => 2021-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 17 [patent_no_of_words] => 4084 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17314113 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/314113
Polyimide polymer, polyimide mixture and polyimide film May 6, 2021 Issued
Array ( [id] => 18575722 [patent_doc_number] => 11732238 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-22 [patent_title] => Main-chain liquid crystalline hydrogels for cell culture [patent_app_type] => utility [patent_app_number] => 17/307808 [patent_app_country] => US [patent_app_date] => 2021-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 33 [patent_no_of_words] => 10672 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17307808 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/307808
Main-chain liquid crystalline hydrogels for cell culture May 3, 2021 Issued
Array ( [id] => 18964260 [patent_doc_number] => 11898012 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-13 [patent_title] => Poly(amide-imide) copolymer, composition for preparing poly(amide-imide) copolymer, article including poly(amide-imide) copolymer, and display device including the article [patent_app_type] => utility [patent_app_number] => 17/246926 [patent_app_country] => US [patent_app_date] => 2021-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12553 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17246926 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/246926
Poly(amide-imide) copolymer, composition for preparing poly(amide-imide) copolymer, article including poly(amide-imide) copolymer, and display device including the article May 2, 2021 Issued
Array ( [id] => 18836822 [patent_doc_number] => 11844879 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-19 [patent_title] => Articles of poly(butylene succinate) and copolymers thereof [patent_app_type] => utility [patent_app_number] => 17/245573 [patent_app_country] => US [patent_app_date] => 2021-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 35 [patent_no_of_words] => 98463 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17245573 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/245573
Articles of poly(butylene succinate) and copolymers thereof Apr 29, 2021 Issued
Array ( [id] => 17170475 [patent_doc_number] => 20210324145 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-21 [patent_title] => Polyimide Film and Window Cover Film Including the Same [patent_app_type] => utility [patent_app_number] => 17/233634 [patent_app_country] => US [patent_app_date] => 2021-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9821 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17233634 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/233634
Polyimide Film and Window Cover Film Including the Same Apr 18, 2021 Abandoned
Array ( [id] => 20077637 [patent_doc_number] => 12351687 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-08 [patent_title] => Thiocarbonyl-based poly(O-thiocarbamate) compound and preparation method and use thereof [patent_app_type] => utility [patent_app_number] => 17/625218 [patent_app_country] => US [patent_app_date] => 2021-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 2361 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17625218 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/625218
Thiocarbonyl-based poly(O-thiocarbamate) compound and preparation method and use thereof Apr 11, 2021 Issued
Array ( [id] => 18376065 [patent_doc_number] => 20230151147 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-18 [patent_title] => PROCESS FOR THE FREE RADICAL POLYMERIZATION OF THIONOLACTONES OR THIONOCARBONATES [patent_app_type] => utility [patent_app_number] => 17/917366 [patent_app_country] => US [patent_app_date] => 2021-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5654 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17917366 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/917366
PROCESS FOR THE FREE RADICAL POLYMERIZATION OF THIONOLACTONES OR THIONOCARBONATES Apr 7, 2021 Pending
Array ( [id] => 18763442 [patent_doc_number] => 11813826 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-14 [patent_title] => Antistatic stretch film [patent_app_type] => utility [patent_app_number] => 17/996320 [patent_app_country] => US [patent_app_date] => 2021-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7101 [patent_no_of_claims] => 15 [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] =>[firstpage_image] =>[orig_patent_app_number] => 17996320 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/996320
Antistatic stretch film Apr 7, 2021 Issued
Array ( [id] => 18391480 [patent_doc_number] => 20230159698 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => XYLITOL-DOPED CITRATE COMPOSITIONS AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 17/917705 [patent_app_country] => US [patent_app_date] => 2021-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13830 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17917705 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/917705
XYLITOL-DOPED CITRATE COMPOSITIONS AND USES THEREOF Apr 6, 2021 Abandoned
Array ( [id] => 18376061 [patent_doc_number] => 20230151143 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-18 [patent_title] => METHOD FOR PRODUCING ALIPHATIC POLYESTER, ALIPHATIC POLYESTER RESIN, AND ALIPHATIC POLYESTER RESIN COMPOSITION [patent_app_type] => utility [patent_app_number] => 17/916900 [patent_app_country] => US [patent_app_date] => 2021-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11796 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17916900 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/916900
METHOD FOR PRODUCING ALIPHATIC POLYESTER, ALIPHATIC POLYESTER RESIN, AND ALIPHATIC POLYESTER RESIN COMPOSITION Mar 30, 2021 Pending
Array ( [id] => 20578535 [patent_doc_number] => 12570777 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-10 [patent_title] => Nonlinear rheology of ethylene interpolymer compositions [patent_app_type] => utility [patent_app_number] => 17/913803 [patent_app_country] => US [patent_app_date] => 2021-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 45230 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 343 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17913803 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/913803
Nonlinear rheology of ethylene interpolymer compositions Mar 23, 2021 Issued
Array ( [id] => 18345235 [patent_doc_number] => 20230133345 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => POLY(ARYLENE SULFIDE) AND PRODUCTION METHOD THEREFOR [patent_app_type] => utility [patent_app_number] => 17/913187 [patent_app_country] => US [patent_app_date] => 2021-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20302 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 17913187 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/913187
POLY(ARYLENE SULFIDE) AND PRODUCTION METHOD THEREFOR Mar 21, 2021 Pending
Array ( [id] => 18299795 [patent_doc_number] => 20230109481 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-06 [patent_title] => AROMATIC POLYIMIDE POWDER FOR MOLDED BODY, MOLDED BODY USING SAME, METHOD FOR IMPROVING MECHANICAL STRENGTH OF MOLDED BODY [patent_app_type] => utility [patent_app_number] => 17/905993 [patent_app_country] => US [patent_app_date] => 2021-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9201 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 17905993 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/905993
AROMATIC POLYIMIDE POWDER FOR MOLDED BODY, MOLDED BODY USING SAME, METHOD FOR IMPROVING MECHANICAL STRENGTH OF MOLDED BODY Mar 10, 2021 Pending
Array ( [id] => 18085592 [patent_doc_number] => 11535710 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-27 [patent_title] => Single layer polymer films and electronic devices [patent_app_type] => utility [patent_app_number] => 17/197887 [patent_app_country] => US [patent_app_date] => 2021-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12442 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17197887 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/197887
Single layer polymer films and electronic devices Mar 9, 2021 Issued
Array ( [id] => 16916034 [patent_doc_number] => 20210189126 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => DETACHABLE LAYER-FORMING COMPOSITION AND DETACHABLE LAYER [patent_app_type] => utility [patent_app_number] => 17/195186 [patent_app_country] => US [patent_app_date] => 2021-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9123 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17195186 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/195186
DETACHABLE LAYER-FORMING COMPOSITION AND DETACHABLE LAYER Mar 7, 2021 Abandoned
Array ( [id] => 18296364 [patent_doc_number] => 20230106050 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-06 [patent_title] => RESIN COMPOSITION, CURED PRODUCT, PREPREG, METAL FOIL-CLAD LAMINATE, RESIN SHEET, AND PRINTED WIRING BOARD [patent_app_type] => utility [patent_app_number] => 17/801773 [patent_app_country] => US [patent_app_date] => 2021-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19051 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17801773 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/801773
Resin composition, cured product, prepreg, metal foil-clad laminate, resin sheet, and printed wiring board Feb 23, 2021 Issued
Array ( [id] => 16885516 [patent_doc_number] => 20210171711 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-10 [patent_title] => SEMI-AROMATIC COPOLYAMIDES HAVING HIGH GLASS TRANSITION TEMPERATURE AND HIGH DEGREE OF CRYSTALLINITY [patent_app_type] => utility [patent_app_number] => 17/182462 [patent_app_country] => US [patent_app_date] => 2021-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6688 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17182462 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/182462
SEMI-AROMATIC COPOLYAMIDES HAVING HIGH GLASS TRANSITION TEMPERATURE AND HIGH DEGREE OF CRYSTALLINITY Feb 22, 2021 Abandoned
Array ( [id] => 19121100 [patent_doc_number] => 11965071 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-23 [patent_title] => Thermoplastic films and products with diffusion-based compartmentalized additive components [patent_app_type] => utility [patent_app_number] => 17/760320 [patent_app_country] => US [patent_app_date] => 2021-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 16 [patent_no_of_words] => 11740 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17760320 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/760320
Thermoplastic films and products with diffusion-based compartmentalized additive components Feb 16, 2021 Issued
Array ( [id] => 18909766 [patent_doc_number] => 11872729 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-16 [patent_title] => Feature casting for manufacture observation [patent_app_type] => utility [patent_app_number] => 17/175974 [patent_app_country] => US [patent_app_date] => 2021-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 2935 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17175974 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/175974
Feature casting for manufacture observation Feb 14, 2021 Issued
Array ( [id] => 17052300 [patent_doc_number] => 20210261734 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-26 [patent_title] => POLYMERS FOR USE IN ELECTRONIC DEVICES [patent_app_type] => utility [patent_app_number] => 17/169926 [patent_app_country] => US [patent_app_date] => 2021-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16913 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17169926 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/169926
Polymers for use in electronic devices Feb 7, 2021 Issued
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