Search

Julian Chang

Examiner (ID: 16666, Phone: (571)272-8631 , Office: P/2455 )

Most Active Art Unit
2455
Art Unit(s)
2452, 2152, 2454, 2455
Total Applications
431
Issued Applications
276
Pending Applications
7
Abandoned Applications
142

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17414139 [patent_doc_number] => 20220049043 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-17 [patent_title] => Use of Biomass to Produce Polyoxymethylene Copolymers [patent_app_type] => utility [patent_app_number] => 17/401541 [patent_app_country] => US [patent_app_date] => 2021-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7665 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17401541 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/401541
Use of Biomass to Produce Polyoxymethylene Copolymers Aug 12, 2021 Pending
Array ( [id] => 18739702 [patent_doc_number] => 20230348667 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => Investment Casting Compositions and Methods [patent_app_type] => utility [patent_app_number] => 18/020662 [patent_app_country] => US [patent_app_date] => 2021-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14579 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18020662 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/020662
Investment Casting Compositions and Methods Aug 10, 2021 Pending
Array ( [id] => 18980449 [patent_doc_number] => 11905609 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => Self-organized and electrically conducting PEDOT polymer matrix for applications in sensors and energy generation and storage [patent_app_type] => utility [patent_app_number] => 17/394711 [patent_app_country] => US [patent_app_date] => 2021-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6672 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17394711 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/394711
Self-organized and electrically conducting PEDOT polymer matrix for applications in sensors and energy generation and storage Aug 4, 2021 Issued
Array ( [id] => 18657813 [patent_doc_number] => 20230303772 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => Branched Polyaspartic Acid Esters and Their Preparation [patent_app_type] => utility [patent_app_number] => 18/040390 [patent_app_country] => US [patent_app_date] => 2021-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7399 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18040390 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/040390
Branched Polyaspartic Acid Esters and Their Preparation Aug 2, 2021 Pending
Array ( [id] => 18568695 [patent_doc_number] => 20230259031 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-17 [patent_title] => RESIST UNDERLAYER FILM-FORMING COMPOSITION [patent_app_type] => utility [patent_app_number] => 18/017516 [patent_app_country] => US [patent_app_date] => 2021-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13522 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 594 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18017516 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/017516
RESIST UNDERLAYER FILM-FORMING COMPOSITION Aug 2, 2021 Pending
Array ( [id] => 17486371 [patent_doc_number] => 20220093875 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-24 [patent_title] => ORGANIC ELECTROLUMINESCENCE DEVICE AND FUSED POLYCYCLIC COMPOUND FOR ORGANIC ELECTROLUMINESCENCE DEVICE [patent_app_type] => utility [patent_app_number] => 17/392762 [patent_app_country] => US [patent_app_date] => 2021-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24270 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 764 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17392762 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/392762
Organic electroluminescence device and fused polycyclic compound for organic electroluminescence device Aug 2, 2021 Issued
Array ( [id] => 18955295 [patent_doc_number] => 20240043622 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => PRODUCTION OF THIOPOLYMERS BY REACTIVE EXTRUSION [patent_app_type] => utility [patent_app_number] => 18/019494 [patent_app_country] => US [patent_app_date] => 2021-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4818 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [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] => 18019494 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/019494
PRODUCTION OF THIOPOLYMERS BY REACTIVE EXTRUSION Aug 2, 2021 Pending
Array ( [id] => 17413982 [patent_doc_number] => 20220048886 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-17 [patent_title] => ORGANIC ELECTROLUMINESCENT COMPOUND, A PLURALITY OF HOST MATERIALS, AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME [patent_app_type] => utility [patent_app_number] => 17/391160 [patent_app_country] => US [patent_app_date] => 2021-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9042 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17391160 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/391160
Organic electroluminescent compound, a plurality of host materials, and organic electroluminescent device comprising the same Aug 1, 2021 Issued
Array ( [id] => 17228471 [patent_doc_number] => 20210355027 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-18 [patent_title] => STRENGTHENED GLASS WITH ULTRA DEEP DEPTH OF COMPRESSION [patent_app_type] => utility [patent_app_number] => 17/391269 [patent_app_country] => US [patent_app_date] => 2021-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15074 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17391269 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/391269
Strengthened glass with ultra deep depth of compression Aug 1, 2021 Issued
Array ( [id] => 17738337 [patent_doc_number] => 20220223799 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => LIGHT EMITTING DEVICE [patent_app_type] => utility [patent_app_number] => 17/391636 [patent_app_country] => US [patent_app_date] => 2021-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20840 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17391636 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/391636
Light emitting device Aug 1, 2021 Issued
Array ( [id] => 17336214 [patent_doc_number] => 20220002545 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-06 [patent_title] => PHOTOCURABLE POLYMERS, PHOTOCURABLE POLYMER COMPOSITIONS AND LITHOGRAPHIC PROCESSES INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 17/388458 [patent_app_country] => US [patent_app_date] => 2021-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4931 [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] => 17388458 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/388458
Photocurable polymers, photocurable polymer compositions and lithographic processes including the same Jul 28, 2021 Issued
Array ( [id] => 18725955 [patent_doc_number] => 20230340205 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => PROCESS FOR PREPARING A HYDROXY GROUP FUNCTIONALIZED THIOETHER [patent_app_type] => utility [patent_app_number] => 18/018534 [patent_app_country] => US [patent_app_date] => 2021-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10616 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18018534 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/018534
PROCESS FOR PREPARING A HYDROXY GROUP FUNCTIONALIZED THIOETHER Jul 22, 2021 Pending
Array ( [id] => 17214603 [patent_doc_number] => 20210347940 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-11 [patent_title] => POLYCARBONATE BASED POLYOLS [patent_app_type] => utility [patent_app_number] => 17/383491 [patent_app_country] => US [patent_app_date] => 2021-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16114 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 17383491 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/383491
POLYCARBONATE BASED POLYOLS Jul 22, 2021 Abandoned
Array ( [id] => 18511481 [patent_doc_number] => 20230227637 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => MULTIMODAL ETHYLENE COPOLYMER [patent_app_type] => utility [patent_app_number] => 18/017274 [patent_app_country] => US [patent_app_date] => 2021-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9890 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18017274 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/017274
MULTIMODAL ETHYLENE COPOLYMER Jul 22, 2021 Pending
Array ( [id] => 17200218 [patent_doc_number] => 20210340313 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-04 [patent_title] => MULTICOLORED ELECTROCHROMIC POLYMER COMPOSITIONS AND METHODS OF MAKING AND USING THE SAME [patent_app_type] => utility [patent_app_number] => 17/376470 [patent_app_country] => US [patent_app_date] => 2021-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8637 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17376470 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/376470
Multicolored electrochromic polymer compositions and methods of making and using the same Jul 14, 2021 Issued
Array ( [id] => 18612448 [patent_doc_number] => 20230279180 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => POLYETHERETHERKETONES [patent_app_type] => utility [patent_app_number] => 18/005333 [patent_app_country] => US [patent_app_date] => 2021-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3126 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18005333 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/005333
POLYETHERETHERKETONES Jul 12, 2021 Pending
Array ( [id] => 18182110 [patent_doc_number] => 20230042839 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => Aromatic Polysulfone Copolymers [patent_app_type] => utility [patent_app_number] => 17/369529 [patent_app_country] => US [patent_app_date] => 2021-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14942 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17369529 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/369529
Aromatic polysulfone copolymers Jul 6, 2021 Issued
Array ( [id] => 18692799 [patent_doc_number] => 20230323137 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => COMPOSITION FOR SEALING COATED ELECTRIC WIRE, AND COATED ELECTRIC WIRE [patent_app_type] => utility [patent_app_number] => 18/004453 [patent_app_country] => US [patent_app_date] => 2021-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8088 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18004453 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/004453
COMPOSITION FOR SEALING COATED ELECTRIC WIRE, AND COATED ELECTRIC WIRE Jul 6, 2021 Pending
Array ( [id] => 18153074 [patent_doc_number] => 11566035 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-31 [patent_title] => Organic electroluminescent materials and devices [patent_app_type] => utility [patent_app_number] => 17/363506 [patent_app_country] => US [patent_app_date] => 2021-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 9075 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17363506 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/363506
Organic electroluminescent materials and devices Jun 29, 2021 Issued
Array ( [id] => 18725934 [patent_doc_number] => 20230340180 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => AROMATIC POLYOL-STABILIZED RESOL RESIN [patent_app_type] => utility [patent_app_number] => 18/013575 [patent_app_country] => US [patent_app_date] => 2021-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4372 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18013575 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/013575
AROMATIC POLYOL-STABILIZED RESOL RESIN Jun 28, 2021 Pending
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