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] => 17672780 [patent_doc_number] => 20220185947 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-16 [patent_title] => EPOXY COMPOUND, COMPOSITION PREPARED THEREFROM, SEMICONDUCTOR DEVICE PREPARED THEREFROM, ELECTRONIC DEVICE PREPARED THEREFROM, ARTICLE PREPARED THEREFROM, AND METHOD OF PREPARING EPOXY COMPOUND [patent_app_type] => utility [patent_app_number] => 17/546294 [patent_app_country] => US [patent_app_date] => 2021-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17439 [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] => 17546294 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/546294
Epoxy compound, composition prepared therefrom, semiconductor device prepared therefrom, electronic device prepared therefrom, article prepared therefrom, and method of preparing epoxy compound Dec 8, 2021 Issued
Array ( [id] => 19274468 [patent_doc_number] => 12024579 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Curable liquid composition, particulate filler, and compound [patent_app_type] => utility [patent_app_number] => 17/643144 [patent_app_country] => US [patent_app_date] => 2021-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25711 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17643144 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/643144
Curable liquid composition, particulate filler, and compound Dec 6, 2021 Issued
Array ( [id] => 19112894 [patent_doc_number] => 20240124644 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => PELLETS, METHOD FOR PRODUCING PELLETS, AND METHOD FOR PRODUCING INJECTION-MOLDED ARTICLE [patent_app_type] => utility [patent_app_number] => 18/252815 [patent_app_country] => US [patent_app_date] => 2021-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24499 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18252815 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/252815
PELLETS, METHOD FOR PRODUCING PELLETS, AND METHOD FOR PRODUCING INJECTION-MOLDED ARTICLE Nov 16, 2021 Pending
Array ( [id] => 18879292 [patent_doc_number] => 20240002661 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => TRANSPARENT COMPOSITIONS WITH GOOD ALCOHOL RESISTANCE AND FATIGUE STRENGTH [patent_app_type] => utility [patent_app_number] => 18/253035 [patent_app_country] => US [patent_app_date] => 2021-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8002 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 375 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18253035 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/253035
TRANSPARENT COMPOSITIONS WITH GOOD ALCOHOL RESISTANCE AND FATIGUE STRENGTH Nov 14, 2021 Pending
Array ( [id] => 18286313 [patent_doc_number] => 20230101785 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => RESIN COMPOSITION AND ARTICLE MADE THEREFROM [patent_app_type] => utility [patent_app_number] => 17/526191 [patent_app_country] => US [patent_app_date] => 2021-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11335 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17526191 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/526191
Resin composition and article made therefrom Nov 14, 2021 Issued
Array ( [id] => 17563384 [patent_doc_number] => 20220127533 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => PHOSPHORUS NITROGEN FLAME RETARDANT, METHOD THEREOF AND MATERIAL COMPRISING THE SAME [patent_app_type] => utility [patent_app_number] => 17/454822 [patent_app_country] => US [patent_app_date] => 2021-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6788 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17454822 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/454822
PHOSPHORUS NITROGEN FLAME RETARDANT, METHOD THEREOF AND MATERIAL COMPRISING THE SAME Nov 14, 2021 Pending
Array ( [id] => 18862011 [patent_doc_number] => 20230416447 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => TOUGH, REPROCESSABLE ELASTOMERS AND METHODS OF MAKING AND USING SAME [patent_app_type] => utility [patent_app_number] => 18/036721 [patent_app_country] => US [patent_app_date] => 2021-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14404 [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] => 18036721 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/036721
TOUGH, REPROCESSABLE ELASTOMERS AND METHODS OF MAKING AND USING SAME Nov 10, 2021 Pending
Array ( [id] => 18830949 [patent_doc_number] => 20230399474 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => PROCESS FOR MAKING SILICONE RUBBER BASE COMPOSITIONS [patent_app_type] => utility [patent_app_number] => 18/035276 [patent_app_country] => US [patent_app_date] => 2021-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11095 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18035276 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/035276
PROCESS FOR MAKING SILICONE RUBBER BASE COMPOSITIONS Nov 10, 2021 Pending
Array ( [id] => 18830930 [patent_doc_number] => 20230399455 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => BIO-FUNCTIONALIZATION OF WATER-SOLUBLE POLY(PHENYLENE EHTYLENE)S [patent_app_type] => utility [patent_app_number] => 18/035511 [patent_app_country] => US [patent_app_date] => 2021-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15754 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18035511 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/035511
BIO-FUNCTIONALIZATION OF WATER-SOLUBLE POLY(PHENYLENE EHTYLENE)S Nov 8, 2021 Pending
Array ( [id] => 17945889 [patent_doc_number] => 20220332906 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-20 [patent_title] => TRANSPARENT ANTIBACTERIAL PLASTIC FILM AND METHOD FOR MANUFACTURING THE SAME [patent_app_type] => utility [patent_app_number] => 17/516788 [patent_app_country] => US [patent_app_date] => 2021-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4596 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 17516788 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/516788
TRANSPARENT ANTIBACTERIAL PLASTIC FILM AND METHOD FOR MANUFACTURING THE SAME Nov 1, 2021 Pending
Array ( [id] => 20213653 [patent_doc_number] => 12410297 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Lignin depolymerization and deoxygenation process for obtaining aromatic compounds and their catalytic reaction composition [patent_app_type] => utility [patent_app_number] => 17/516361 [patent_app_country] => US [patent_app_date] => 2021-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6948 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17516361 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/516361
Lignin depolymerization and deoxygenation process for obtaining aromatic compounds and their catalytic reaction composition Oct 31, 2021 Issued
Array ( [id] => 18334822 [patent_doc_number] => 20230126770 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-27 [patent_title] => Liquid Salt Activator and Methods of Making and Using Same [patent_app_type] => utility [patent_app_number] => 17/512307 [patent_app_country] => US [patent_app_date] => 2021-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14242 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17512307 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/512307
Liquid salt activator and methods of making and using same Oct 26, 2021 Issued
Array ( [id] => 17687899 [patent_doc_number] => 20220195191 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => Germ-repellent Silicone Rubber and Preparation Method and Application thereof [patent_app_type] => utility [patent_app_number] => 17/507823 [patent_app_country] => US [patent_app_date] => 2021-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2743 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17507823 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/507823
Germ-repellent silicone rubber and preparation method and application thereof Oct 21, 2021 Issued
Array ( [id] => 18583020 [patent_doc_number] => 20230265279 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => Color Stable Epoxy Compositions [patent_app_type] => utility [patent_app_number] => 18/043667 [patent_app_country] => US [patent_app_date] => 2021-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4841 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18043667 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/043667
Color Stable Epoxy Compositions Sep 8, 2021 Pending
Array ( [id] => 18955364 [patent_doc_number] => 20240043691 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => NEAR-INFRARED LIGHT TRANSMITTING BLACK MATERIAL [patent_app_type] => utility [patent_app_number] => 18/021451 [patent_app_country] => US [patent_app_date] => 2021-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3843 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 10 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18021451 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/021451
NEAR-INFRARED LIGHT TRANSMITTING BLACK MATERIAL Aug 30, 2021 Pending
Array ( [id] => 19076556 [patent_doc_number] => 11945906 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-02 [patent_title] => Epoxy resin curing agent, epoxy resin composition, and use of amine composition [patent_app_type] => utility [patent_app_number] => 18/025328 [patent_app_country] => US [patent_app_date] => 2021-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6673 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18025328 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/025328
Epoxy resin curing agent, epoxy resin composition, and use of amine composition Aug 18, 2021 Issued
Array ( [id] => 19151264 [patent_doc_number] => 11976161 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-07 [patent_title] => Epoxy resin curing agent, epoxy resin composition, and use of amine composition [patent_app_type] => utility [patent_app_number] => 18/025280 [patent_app_country] => US [patent_app_date] => 2021-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5067 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18025280 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/025280
Epoxy resin curing agent, epoxy resin composition, and use of amine composition Aug 18, 2021 Issued
Array ( [id] => 18675223 [patent_doc_number] => 20230312816 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => POLYESTER MOLDED BODY AND METHOD FOR MANUFACTURING SAME [patent_app_type] => utility [patent_app_number] => 18/041841 [patent_app_country] => US [patent_app_date] => 2021-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7161 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18041841 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/041841
POLYESTER MOLDED BODY AND METHOD FOR MANUFACTURING SAME Aug 17, 2021 Pending
Array ( [id] => 17505353 [patent_doc_number] => 20220098455 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => RESIN COMPOSITION FOR BONDING SEMICONDUCTOR AND ADHESIVE FILM FOR SEMICONDUCTOR USING THE SAME [patent_app_type] => utility [patent_app_number] => 17/404053 [patent_app_country] => US [patent_app_date] => 2021-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9736 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17404053 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/404053
Resin composition for bonding semiconductor and adhesive film for semiconductor using the same Aug 16, 2021 Issued
Array ( [id] => 19491729 [patent_doc_number] => 12110425 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-08 [patent_title] => Electromagnetic curable novel toughened epoxy-hybrid structural adhesives and applications using the same [patent_app_type] => utility [patent_app_number] => 17/403941 [patent_app_country] => US [patent_app_date] => 2021-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 30 [patent_no_of_words] => 6355 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17403941 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/403941
Electromagnetic curable novel toughened epoxy-hybrid structural adhesives and applications using the same Aug 16, 2021 Issued
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