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] => 20329780 [patent_doc_number] => 12460046 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => Process for polymerizing lactide using a liquid catalyst formulation [patent_app_type] => utility [patent_app_number] => 17/776333 [patent_app_country] => US [patent_app_date] => 2020-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 7735 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17776333 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/776333
Process for polymerizing lactide using a liquid catalyst formulation Nov 12, 2020 Issued
Array ( [id] => 16673180 [patent_doc_number] => 20210061943 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => Stable and Low Cure-Temperature 1K Polyisocyanate [patent_app_type] => utility [patent_app_number] => 17/096736 [patent_app_country] => US [patent_app_date] => 2020-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8327 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17096736 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/096736
Stable and Low Cure-Temperature 1K Polyisocyanate Nov 11, 2020 Abandoned
Array ( [id] => 18036280 [patent_doc_number] => 20220380495 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => REACTIVE OLIGOMERS, ADDITIVE MANUFACTURING METHODS, AND ARTICLES THEREOF [patent_app_type] => utility [patent_app_number] => 17/775221 [patent_app_country] => US [patent_app_date] => 2020-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25047 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 17775221 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/775221
REACTIVE OLIGOMERS, ADDITIVE MANUFACTURING METHODS, AND ARTICLES THEREOF Nov 5, 2020 Pending
Array ( [id] => 16761654 [patent_doc_number] => 20210107235 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-15 [patent_title] => METHOD FOR INCREASING THE DIFFERENCE BETWEEN THE MELTING TEMPERATURE AND THE CRYSTALLIZATION TEMPERATURE OF A POLYAMIDE POWDER [patent_app_type] => utility [patent_app_number] => 17/088033 [patent_app_country] => US [patent_app_date] => 2020-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7858 [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] => 17088033 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/088033
Method for increasing the difference between the melting temperature and the crystallization temperature of a polyamide powder Nov 2, 2020 Issued
Array ( [id] => 19075796 [patent_doc_number] => 11945143 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-02 [patent_title] => Material composites [patent_app_type] => utility [patent_app_number] => 17/084438 [patent_app_country] => US [patent_app_date] => 2020-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 12022 [patent_no_of_claims] => 17 [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] =>[firstpage_image] =>[orig_patent_app_number] => 17084438 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/084438
Material composites Oct 28, 2020 Issued
Array ( [id] => 16807620 [patent_doc_number] => 20210130173 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-06 [patent_title] => SUPER-FLEXIBLE HIGH ELECTRICAL AND THERMAL CONDUCTIVITY FLEXIBLE BASE MATERIAL AND PREPARATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/083309 [patent_app_country] => US [patent_app_date] => 2020-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4503 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17083309 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/083309
SUPER-FLEXIBLE HIGH ELECTRICAL AND THERMAL CONDUCTIVITY FLEXIBLE BASE MATERIAL AND PREPARATION METHOD THEREOF Oct 28, 2020 Abandoned
Array ( [id] => 18451760 [patent_doc_number] => 20230193039 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => SELENIUM-CONTAINING ANALOGUES OF PHEOMELANIN AND RELATED MATERIALS AND METHODS OF MAKING [patent_app_type] => utility [patent_app_number] => 17/770247 [patent_app_country] => US [patent_app_date] => 2020-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 39446 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 17770247 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/770247
Selenium-containing analogues of pheomelanin and related materials and methods of making Oct 28, 2020 Issued
Array ( [id] => 16621864 [patent_doc_number] => 20210040517 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-11 [patent_title] => DECANEDIOIC ACID PRODUCED BY MICROBIAL FERMENTATION PROCESS AND PREPARATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/082124 [patent_app_country] => US [patent_app_date] => 2020-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4715 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17082124 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/082124
Decanedioic acid produced by microbial fermentation process and preparation method thereof Oct 27, 2020 Issued
Array ( [id] => 19135648 [patent_doc_number] => 11970579 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-30 [patent_title] => Polyamic acid resin and polyamideimide film [patent_app_type] => utility [patent_app_number] => 17/077676 [patent_app_country] => US [patent_app_date] => 2020-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7350 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17077676 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/077676
Polyamic acid resin and polyamideimide film Oct 21, 2020 Issued
Array ( [id] => 18077490 [patent_doc_number] => 20220403102 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => MECHANICALLY ANISOTROPIC 3D PRINTED FLEXIBLE POLYMERIC SHEATH [patent_app_type] => utility [patent_app_number] => 17/762208 [patent_app_country] => US [patent_app_date] => 2020-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6294 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -31 [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] => 17762208 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/762208
MECHANICALLY ANISOTROPIC 3D PRINTED FLEXIBLE POLYMERIC SHEATH Oct 19, 2020 Abandoned
Array ( [id] => 20295091 [patent_doc_number] => 20250320334 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-16 [patent_title] => WATER-DISPERSIBLE COPOLYAMIDE [patent_app_type] => utility [patent_app_number] => 17/769611 [patent_app_country] => US [patent_app_date] => 2020-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3358 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17769611 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/769611
WATER-DISPERSIBLE COPOLYAMIDE Oct 15, 2020 Pending
Array ( [id] => 16619263 [patent_doc_number] => 20210037916 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-11 [patent_title] => DEBONDABLE ADHESIVES AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 17/070342 [patent_app_country] => US [patent_app_date] => 2020-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17420 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17070342 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/070342
Debondable adhesives and uses thereof Oct 13, 2020 Issued
Array ( [id] => 18420294 [patent_doc_number] => 20230174755 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => Process to Produce a Composition of Polyethylene Comprising Recycled Post-Consumer Resin and Caps or Closures Made From This Composition [patent_app_type] => utility [patent_app_number] => 17/768804 [patent_app_country] => US [patent_app_date] => 2020-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14965 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -31 [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] => 17768804 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/768804
Process to Produce a Composition of Polyethylene Comprising Recycled Post-Consumer Resin and Caps or Closures Made From This Composition Oct 12, 2020 Abandoned
Array ( [id] => 19196451 [patent_doc_number] => 11993678 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-28 [patent_title] => Polyamic acid, polyamic acid solution, polyimide, polyimide film, laminate and flexible device, and method for producing polyimide film [patent_app_type] => utility [patent_app_number] => 17/039383 [patent_app_country] => US [patent_app_date] => 2020-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7498 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17039383 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/039383
Polyamic acid, polyamic acid solution, polyimide, polyimide film, laminate and flexible device, and method for producing polyimide film Sep 29, 2020 Issued
Array ( [id] => 16570754 [patent_doc_number] => 20210009760 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-14 [patent_title] => POLYAMIC ACID AND METHOD FOR PRODUCING SAME, POLYAMIC ACID SOLUTION, POLYIMIDE, POLYIMIDE FILM, LAMINATE AND METHOD FOR PRODUCING SAME, AND FLEXIBLE DEVICE AND METHOD FOR PRODUCING SAME [patent_app_type] => utility [patent_app_number] => 17/037012 [patent_app_country] => US [patent_app_date] => 2020-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9660 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17037012 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/037012
Polyamic acid and method for producing same, polyamic acid solution, polyimide, polyimide film, laminate and method for producing same, and flexible device and method for producing same Sep 28, 2020 Issued
Array ( [id] => 19931804 [patent_doc_number] => 12305002 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-20 [patent_title] => Polyimide-based film and window cover film using same [patent_app_type] => utility [patent_app_number] => 17/764678 [patent_app_country] => US [patent_app_date] => 2020-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7371 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [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] => 17764678 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/764678
Polyimide-based film and window cover film using same Sep 28, 2020 Issued
Array ( [id] => 16727974 [patent_doc_number] => 20210095121 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-01 [patent_title] => Polyimide-Based Film and Flexible Display Panel Including the Same [patent_app_type] => utility [patent_app_number] => 17/036080 [patent_app_country] => US [patent_app_date] => 2020-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9810 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17036080 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/036080
Polyimide-based film and flexible display panel including the same Sep 28, 2020 Issued
Array ( [id] => 16727973 [patent_doc_number] => 20210095120 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-01 [patent_title] => Polyimide-Based Film and Flexible Display Panel Including the Same [patent_app_type] => utility [patent_app_number] => 17/034278 [patent_app_country] => US [patent_app_date] => 2020-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9900 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17034278 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/034278
Polyimide-based film and flexible display panel including the same Sep 27, 2020 Issued
Array ( [id] => 17960162 [patent_doc_number] => 20220340742 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-27 [patent_title] => MATERIAL FOR 3D PRINTING, 3D PRINTED OBJECT, AND METHOD OF MANUFACTURING 3D PRINTED OBJECT [patent_app_type] => utility [patent_app_number] => 17/762032 [patent_app_country] => US [patent_app_date] => 2020-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13275 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17762032 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/762032
MATERIAL FOR 3D PRINTING, 3D PRINTED OBJECT, AND METHOD OF MANUFACTURING 3D PRINTED OBJECT Sep 22, 2020 Pending
Array ( [id] => 17428474 [patent_doc_number] => 20220056182 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-24 [patent_title] => Modifier, Modified Conjugated Diene-Based Polymer Comprising Thereof and Method for Preparing the Polymer [patent_app_type] => utility [patent_app_number] => 17/416181 [patent_app_country] => US [patent_app_date] => 2020-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9972 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 366 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17416181 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/416181
Modifier, modified conjugated diene-based polymer comprising thereof and method for preparing the polymer Sep 22, 2020 Issued
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