Search

David Thomas Karst

Examiner (ID: 10871, Phone: (571)270-7732 , Office: P/1767 )

Most Active Art Unit
1767
Art Unit(s)
1767, 1796
Total Applications
1136
Issued Applications
657
Pending Applications
125
Abandoned Applications
381

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 12058803 [patent_doc_number] => 20170335147 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-23 [patent_title] => 'Accelerated and Toughened Two-Part Epoxy Adhesives' [patent_app_type] => utility [patent_app_number] => 15/670888 [patent_app_country] => US [patent_app_date] => 2017-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9850 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15670888 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/670888
Accelerated and Toughened Two-Part Epoxy Adhesives Aug 6, 2017 Abandoned
Array ( [id] => 12185532 [patent_doc_number] => 20180044467 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-02-15 [patent_title] => 'Resin Composition, and Prepreg, Metal-Clad Laminate, and Printed Circuit Board Prepared Using the Same' [patent_app_type] => utility [patent_app_number] => 15/664156 [patent_app_country] => US [patent_app_date] => 2017-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6446 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15664156 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/664156
Resin composition, and prepreg, metal-clad laminate, and printed circuit board prepared using the same Jul 30, 2017 Issued
Array ( [id] => 14930119 [patent_doc_number] => 20190300697 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-03 [patent_title] => POLYMER BLENDS FOR EPOXY RESINS COMPOSITIONS [patent_app_type] => utility [patent_app_number] => 16/314961 [patent_app_country] => US [patent_app_date] => 2017-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14313 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16314961 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/314961
POLYMER BLENDS FOR EPOXY RESINS COMPOSITIONS Jul 26, 2017 Abandoned
Array ( [id] => 16735766 [patent_doc_number] => 10961403 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-30 [patent_title] => Electrodepositable coating compositions containing 1,1-di-activated vinyl compounds [patent_app_type] => utility [patent_app_number] => 16/320658 [patent_app_country] => US [patent_app_date] => 2017-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14907 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16320658 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/320658
Electrodepositable coating compositions containing 1,1-di-activated vinyl compounds Jul 25, 2017 Issued
Array ( [id] => 14715779 [patent_doc_number] => 20190248953 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-15 [patent_title] => EPOXY RESIN [patent_app_type] => utility [patent_app_number] => 16/320403 [patent_app_country] => US [patent_app_date] => 2017-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12909 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -30 [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] => 16320403 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/320403
Epoxy resin Jul 19, 2017 Issued
Array ( [id] => 16028405 [patent_doc_number] => 10676611 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-06-09 [patent_title] => Prepreg and fiber-reinforced composite material [patent_app_type] => utility [patent_app_number] => 16/313652 [patent_app_country] => US [patent_app_date] => 2017-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13118 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16313652 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/313652
Prepreg and fiber-reinforced composite material Jul 19, 2017 Issued
Array ( [id] => 12791251 [patent_doc_number] => 20180155586 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-07 [patent_title] => CYCLOALIPHATIC-BASED EPOXY ADHESIVE COMPOSITION [patent_app_type] => utility [patent_app_number] => 15/652715 [patent_app_country] => US [patent_app_date] => 2017-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8937 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15652715 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/652715
Cycloaliphatic-based epoxy adhesive composition Jul 17, 2017 Issued
Array ( [id] => 14484929 [patent_doc_number] => 10329231 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-06-25 [patent_title] => Epoxy compound, method for producing the same, epoxy resin composition, and cured product thereof [patent_app_type] => utility [patent_app_number] => 15/647386 [patent_app_country] => US [patent_app_date] => 2017-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 8748 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15647386 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/647386
Epoxy compound, method for producing the same, epoxy resin composition, and cured product thereof Jul 11, 2017 Issued
Array ( [id] => 15254301 [patent_doc_number] => 20190375884 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-12 [patent_title] => Process for the Manufacture of an Epoxy-Functional Polyester, Epoxy-Functional Polyester Obtained by Such Process and Coating Composition Comprising Such Epoxy-Functional Polyester [patent_app_type] => utility [patent_app_number] => 16/312016 [patent_app_country] => US [patent_app_date] => 2017-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5344 [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] => 16312016 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/312016
Process for the manufacture of an epoxy-functional polyester, epoxy-functional polyester obtained by such process and coating composition comprising such epoxy-functional polyester Jul 9, 2017 Issued
Array ( [id] => 14119459 [patent_doc_number] => 10246578 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-04-02 [patent_title] => Composite material from waste and at least one element of vulcanized rubber and tire cords [patent_app_type] => utility [patent_app_number] => 15/641682 [patent_app_country] => US [patent_app_date] => 2017-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11416 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15641682 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/641682
Composite material from waste and at least one element of vulcanized rubber and tire cords Jul 4, 2017 Issued
Array ( [id] => 12240020 [patent_doc_number] => 20180072883 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-15 [patent_title] => 'Composite Flame Retardant, Flame Retardant Resin Composition, Composite Metal Substrate, Flame Retardant Electronic Material and Flame Retardant Engineering Plastic' [patent_app_type] => utility [patent_app_number] => 15/635484 [patent_app_country] => US [patent_app_date] => 2017-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10977 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15635484 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/635484
Composite Flame Retardant, Flame Retardant Resin Composition, Composite Metal Substrate, Flame Retardant Electronic Material and Flame Retardant Engineering Plastic Jun 27, 2017 Abandoned
Array ( [id] => 14746941 [patent_doc_number] => 20190256644 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-22 [patent_title] => WATER SOLUBLE ALPHA-GLYCOL SULFONATED EPOXY RESIN COMPOSITION AND PROCESS FOR PREPARING THE SAME [patent_app_type] => utility [patent_app_number] => 16/310233 [patent_app_country] => US [patent_app_date] => 2017-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6904 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16310233 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/310233
WATER SOLUBLE ALPHA-GLYCOL SULFONATED EPOXY RESIN COMPOSITION AND PROCESS FOR PREPARING THE SAME Jun 25, 2017 Abandoned
Array ( [id] => 14439195 [patent_doc_number] => 20190177470 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-13 [patent_title] => EPOXY RESIN COMPOSITION, PREPREG, AND FIBER-REINFORCED COMPOSITE MATERIAL [patent_app_type] => utility [patent_app_number] => 16/310852 [patent_app_country] => US [patent_app_date] => 2017-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10069 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 16310852 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/310852
Epoxy resin composition, prepreg, and fiber-reinforced composite material Jun 22, 2017 Issued
Array ( [id] => 11979388 [patent_doc_number] => 20170283543 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-05 [patent_title] => 'CATALYST COMPOSITION FOR CURING RESINS CONTAINING EPOXY GROUPS' [patent_app_type] => utility [patent_app_number] => 15/624944 [patent_app_country] => US [patent_app_date] => 2017-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6368 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15624944 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/624944
Catalyst composition for curing resins containing epoxy groups Jun 15, 2017 Issued
Array ( [id] => 15512929 [patent_doc_number] => 10563040 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-18 [patent_title] => Low-temperature curable compositions [patent_app_type] => utility [patent_app_number] => 15/621323 [patent_app_country] => US [patent_app_date] => 2017-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6200 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15621323 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/621323
Low-temperature curable compositions Jun 12, 2017 Issued
Array ( [id] => 14501741 [patent_doc_number] => 20190194525 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-27 [patent_title] => COMPOSITION FOR RECOVERING HYDROCARBON FLUIDS FROM A SUBTERRANEAN RESERVOIR [patent_app_type] => utility [patent_app_number] => 16/310201 [patent_app_country] => US [patent_app_date] => 2017-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5888 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16310201 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/310201
COMPOSITION FOR RECOVERING HYDROCARBON FLUIDS FROM A SUBTERRANEAN RESERVOIR Jun 6, 2017 Abandoned
Array ( [id] => 11961812 [patent_doc_number] => 20170265965 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-21 [patent_title] => 'DENTAL AND ENDODONTIC FILING MATERIALS AND METHODS' [patent_app_type] => utility [patent_app_number] => 15/613298 [patent_app_country] => US [patent_app_date] => 2017-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 8457 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15613298 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/613298
Dental and endodontic filing materials and methods Jun 4, 2017 Issued
Array ( [id] => 13970539 [patent_doc_number] => 10214612 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-02-26 [patent_title] => Epoxy resin composition comprising 2-(2,2,6,6-tetramethylpiperidin-4-yl)propane-1,3-diamine as hardener [patent_app_type] => utility [patent_app_number] => 15/604118 [patent_app_country] => US [patent_app_date] => 2017-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4665 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15604118 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/604118
Epoxy resin composition comprising 2-(2,2,6,6-tetramethylpiperidin-4-yl)propane-1,3-diamine as hardener May 23, 2017 Issued
Array ( [id] => 12151635 [patent_doc_number] => 20180022899 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-25 [patent_title] => 'FLAME RETARDANT RESIN COMPOSITION, THERMOSETTING RESIN COMPOSITION, COMPOSITE METAL SUBSTRATE AND FLAME RETARDANT ELECTRONIC MATERIAL' [patent_app_type] => utility [patent_app_number] => 15/600177 [patent_app_country] => US [patent_app_date] => 2017-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7042 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15600177 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/600177
FLAME RETARDANT RESIN COMPOSITION, THERMOSETTING RESIN COMPOSITION, COMPOSITE METAL SUBSTRATE AND FLAME RETARDANT ELECTRONIC MATERIAL May 18, 2017 Abandoned
Array ( [id] => 11943434 [patent_doc_number] => 20170247586 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-31 [patent_title] => 'THERMALLY CURABLE SEALANT COMPOSITION AND THE USE THEREOF' [patent_app_type] => utility [patent_app_number] => 15/593530 [patent_app_country] => US [patent_app_date] => 2017-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 7693 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15593530 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/593530
THERMALLY CURABLE SEALANT COMPOSITION AND THE USE THEREOF May 11, 2017 Abandoned
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