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] => 13300391 [patent_doc_number] => 20180201732 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-19 [patent_title] => Dynamic Cross-Linked Poly (Amides) Prepared Via The Incorporation Of Polyamines/Ammonium Salts In The Solid State [patent_app_type] => utility [patent_app_number] => 15/874516 [patent_app_country] => US [patent_app_date] => 2018-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13228 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15874516 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/874516
Dynamic Cross-Linked Poly (Amides) Prepared Via The Incorporation Of Polyamines/Ammonium Salts In The Solid State Jan 17, 2018 Abandoned
Array ( [id] => 17267605 [patent_doc_number] => 11193020 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-12-07 [patent_title] => Polyarylene ether sulfone comprising naphthalic acid anhydride endgroups [patent_app_type] => utility [patent_app_number] => 16/482582 [patent_app_country] => US [patent_app_date] => 2018-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9885 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 10 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16482582 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/482582
Polyarylene ether sulfone comprising naphthalic acid anhydride endgroups Jan 17, 2018 Issued
Array ( [id] => 17571151 [patent_doc_number] => 11319409 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-03 [patent_title] => Polyimide and polyimide film, prepared therefrom, for flexible display [patent_app_type] => utility [patent_app_number] => 16/461601 [patent_app_country] => US [patent_app_date] => 2018-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5873 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16461601 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/461601
Polyimide and polyimide film, prepared therefrom, for flexible display Jan 16, 2018 Issued
Array ( [id] => 16042801 [patent_doc_number] => 10683259 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-06-16 [patent_title] => Diamine compound, and polyimide compound and molded product using the same [patent_app_type] => utility [patent_app_number] => 16/481090 [patent_app_country] => US [patent_app_date] => 2018-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 10047 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16481090 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/481090
Diamine compound, and polyimide compound and molded product using the same Jan 16, 2018 Issued
Array ( [id] => 17467737 [patent_doc_number] => 11274206 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-15 [patent_title] => Polyamideimide resin and optical member including polyamideimide resin [patent_app_type] => utility [patent_app_number] => 16/478713 [patent_app_country] => US [patent_app_date] => 2018-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14811 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 258 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16478713 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/478713
Polyamideimide resin and optical member including polyamideimide resin Jan 14, 2018 Issued
Array ( [id] => 17497654 [patent_doc_number] => 11286347 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-29 [patent_title] => Compositions and articles made from branched polyetherimides [patent_app_type] => utility [patent_app_number] => 16/472150 [patent_app_country] => US [patent_app_date] => 2017-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 12913 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16472150 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/472150
Compositions and articles made from branched polyetherimides Dec 28, 2017 Issued
Array ( [id] => 18384564 [patent_doc_number] => 11655336 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-23 [patent_title] => Polyimide film for preparing roll type graphite sheet [patent_app_type] => utility [patent_app_number] => 16/758224 [patent_app_country] => US [patent_app_date] => 2017-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 6564 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16758224 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/758224
Polyimide film for preparing roll type graphite sheet Dec 28, 2017 Issued
Array ( [id] => 14993465 [patent_doc_number] => 20190315690 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-17 [patent_title] => SYNTHESIS OF REACTIVE INTERMEDIATES FOR POLYETHERIMIDES, AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 16/474256 [patent_app_country] => US [patent_app_date] => 2017-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9524 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16474256 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/474256
Synthesis of reactive intermediates for polyetherimides, and uses thereof Dec 28, 2017 Issued
Array ( [id] => 12681145 [patent_doc_number] => 20180118881 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-03 [patent_title] => NOVEL SUSTAINED RELEASE POLYMER [patent_app_type] => utility [patent_app_number] => 15/852170 [patent_app_country] => US [patent_app_date] => 2017-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9080 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 15852170 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/852170
Sustained release polymer Dec 21, 2017 Issued
Array ( [id] => 17938509 [patent_doc_number] => 11472950 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-18 [patent_title] => Modified ethylene vinyl acetate compositions, polymer blends and films made therefrom [patent_app_type] => utility [patent_app_number] => 16/472481 [patent_app_country] => US [patent_app_date] => 2017-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5787 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 5 [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] => 16472481 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/472481
Modified ethylene vinyl acetate compositions, polymer blends and films made therefrom Dec 20, 2017 Issued
Array ( [id] => 16169605 [patent_doc_number] => 10711155 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-07-14 [patent_title] => Ultradurable coating composition [patent_app_type] => utility [patent_app_number] => 15/848263 [patent_app_country] => US [patent_app_date] => 2017-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9008 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15848263 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/848263
Ultradurable coating composition Dec 19, 2017 Issued
Array ( [id] => 17713573 [patent_doc_number] => 11377556 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-05 [patent_title] => Polyimide-based block copolymer and polyimide-based film comprising the same [patent_app_type] => utility [patent_app_number] => 16/332389 [patent_app_country] => US [patent_app_date] => 2017-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 6279 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 499 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16332389 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/332389
Polyimide-based block copolymer and polyimide-based film comprising the same Dec 12, 2017 Issued
Array ( [id] => 14581497 [patent_doc_number] => 20190218357 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-18 [patent_title] => COMPOSITION FOR MOLDED FOAM AND METHOD FOR PRODUCING SAME, MOLDED FOAM AND METHOD FOR PRODUCING SAME, AND MODIFIED CELLULOSE-CONTAINING RESIN COMPOSITION FOR MOLDED FOAM [patent_app_type] => utility [patent_app_number] => 16/307027 [patent_app_country] => US [patent_app_date] => 2017-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9279 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16307027 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/307027
COMPOSITION FOR MOLDED FOAM AND METHOD FOR PRODUCING SAME, MOLDED FOAM AND METHOD FOR PRODUCING SAME, AND MODIFIED CELLULOSE-CONTAINING RESIN COMPOSITION FOR MOLDED FOAM Dec 11, 2017 Abandoned
Array ( [id] => 17163051 [patent_doc_number] => 11149139 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-19 [patent_title] => Heterophasic propylene copolymer [patent_app_type] => utility [patent_app_number] => 16/467717 [patent_app_country] => US [patent_app_date] => 2017-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 8991 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 318 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16467717 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/467717
Heterophasic propylene copolymer Dec 11, 2017 Issued
Array ( [id] => 12606906 [patent_doc_number] => 20180094132 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-04-05 [patent_title] => POLYGLYCOLIC ACID RESIN COMPOSITION, MOLDED PRODUCT FOR WELL DRILLING, AND DOWNHOLE TOOL MEMBER [patent_app_type] => utility [patent_app_number] => 15/831958 [patent_app_country] => US [patent_app_date] => 2017-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16805 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15831958 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/831958
POLYGLYCOLIC ACID RESIN COMPOSITION, MOLDED PRODUCT FOR WELL DRILLING, AND DOWNHOLE TOOL MEMBER Dec 4, 2017 Abandoned
Array ( [id] => 15115825 [patent_doc_number] => 20190344545 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-14 [patent_title] => LAMINATE [patent_app_type] => utility [patent_app_number] => 16/470319 [patent_app_country] => US [patent_app_date] => 2017-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13091 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 15 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16470319 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/470319
Laminate Dec 3, 2017 Issued
Array ( [id] => 14342377 [patent_doc_number] => 20190153161 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-23 [patent_title] => POLYAMIDEIMIDE COPOLYMERS AND COLORLESS AND TRANSPARENT POLYAMIDEIMIDE FILM COMPRISING THE SAME [patent_app_type] => utility [patent_app_number] => 16/320623 [patent_app_country] => US [patent_app_date] => 2017-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5565 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16320623 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/320623
Polyamideimide copolymers and colorless and transparent polyamideimide film comprising the same Nov 28, 2017 Issued
Array ( [id] => 15512873 [patent_doc_number] => 10563012 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-18 [patent_title] => Biodegradable side chain liquid crystal elastomers: smart responsive scaffolds (SRS) for tissue regeneration [patent_app_type] => utility [patent_app_number] => 15/805510 [patent_app_country] => US [patent_app_date] => 2017-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7054 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15805510 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/805510
Biodegradable side chain liquid crystal elastomers: smart responsive scaffolds (SRS) for tissue regeneration Nov 6, 2017 Issued
Array ( [id] => 14031167 [patent_doc_number] => 10227322 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-03-12 [patent_title] => Production of meso-lactide, D-lactide and L-lactide by back biting of polylactide [patent_app_type] => utility [patent_app_number] => 15/804874 [patent_app_country] => US [patent_app_date] => 2017-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3497 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15804874 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/804874
Production of meso-lactide, D-lactide and L-lactide by back biting of polylactide Nov 5, 2017 Issued
Array ( [id] => 13357463 [patent_doc_number] => 20180230271 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-16 [patent_title] => POLYAMIC ACID, POLYIMIDE FILM AND FABRICATION METHOD OF THE POLYIMIDE FILM [patent_app_type] => utility [patent_app_number] => 15/798054 [patent_app_country] => US [patent_app_date] => 2017-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10113 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [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] => 15798054 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/798054
POLYAMIC ACID, POLYIMIDE FILM AND FABRICATION METHOD OF THE POLYIMIDE FILM Oct 29, 2017 Abandoned
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