Search

David Thomas Karst

Examiner (ID: 18574, Phone: (571)270-7732 , Office: P/1767 )

Most Active Art Unit
1767
Art Unit(s)
1767, 1796
Total Applications
1078
Issued Applications
638
Pending Applications
123
Abandoned Applications
373

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19709249 [patent_doc_number] => 20250019391 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => PROCESSED LIGNIN AND PROCESS TO PREPARE SUCH [patent_app_type] => utility [patent_app_number] => 18/903397 [patent_app_country] => US [patent_app_date] => 2024-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4836 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18903397 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/903397
PROCESSED LIGNIN AND PROCESS TO PREPARE SUCH Sep 30, 2024 Pending
Array ( [id] => 19770194 [patent_doc_number] => 20250051620 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => ELECTROMAGNETIC CURABLE NOVEL TOUGHENED EPOXY-HYBRID STRUCTURAL ADHESIVES AND APPLICATIONS USING THE SAME [patent_app_type] => utility [patent_app_number] => 18/901501 [patent_app_country] => US [patent_app_date] => 2024-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6394 [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] => 18901501 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/901501
ELECTROMAGNETIC CURABLE NOVEL TOUGHENED EPOXY-HYBRID STRUCTURAL ADHESIVES AND APPLICATIONS USING THE SAME Sep 29, 2024 Pending
Array ( [id] => 19770194 [patent_doc_number] => 20250051620 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => ELECTROMAGNETIC CURABLE NOVEL TOUGHENED EPOXY-HYBRID STRUCTURAL ADHESIVES AND APPLICATIONS USING THE SAME [patent_app_type] => utility [patent_app_number] => 18/901501 [patent_app_country] => US [patent_app_date] => 2024-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6394 [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] => 18901501 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/901501
ELECTROMAGNETIC CURABLE NOVEL TOUGHENED EPOXY-HYBRID STRUCTURAL ADHESIVES AND APPLICATIONS USING THE SAME Sep 29, 2024 Pending
Array ( [id] => 19770194 [patent_doc_number] => 20250051620 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => ELECTROMAGNETIC CURABLE NOVEL TOUGHENED EPOXY-HYBRID STRUCTURAL ADHESIVES AND APPLICATIONS USING THE SAME [patent_app_type] => utility [patent_app_number] => 18/901501 [patent_app_country] => US [patent_app_date] => 2024-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6394 [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] => 18901501 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/901501
ELECTROMAGNETIC CURABLE NOVEL TOUGHENED EPOXY-HYBRID STRUCTURAL ADHESIVES AND APPLICATIONS USING THE SAME Sep 29, 2024 Pending
Array ( [id] => 19556545 [patent_doc_number] => 20240368337 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => MODIFIED PHENALKAMINE CURING AGENT FOR EPOXY RESIN COMPOSITION AND USE THEREOF [patent_app_type] => utility [patent_app_number] => 18/774105 [patent_app_country] => US [patent_app_date] => 2024-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5007 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18774105 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/774105
MODIFIED PHENALKAMINE CURING AGENT FOR EPOXY RESIN COMPOSITION AND USE THEREOF Jul 15, 2024 Pending
Array ( [id] => 19556545 [patent_doc_number] => 20240368337 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => MODIFIED PHENALKAMINE CURING AGENT FOR EPOXY RESIN COMPOSITION AND USE THEREOF [patent_app_type] => utility [patent_app_number] => 18/774105 [patent_app_country] => US [patent_app_date] => 2024-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5007 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18774105 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/774105
MODIFIED PHENALKAMINE CURING AGENT FOR EPOXY RESIN COMPOSITION AND USE THEREOF Jul 15, 2024 Pending
Array ( [id] => 19403723 [patent_doc_number] => 20240287234 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => COMPOSITE MATERIAL AND MOLDED COMPOSITE MATERIAL [patent_app_type] => utility [patent_app_number] => 18/651899 [patent_app_country] => US [patent_app_date] => 2024-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10128 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 18651899 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/651899
COMPOSITE MATERIAL AND MOLDED COMPOSITE MATERIAL Apr 30, 2024 Pending
Array ( [id] => 19360970 [patent_doc_number] => 20240263004 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => RESIN COMPOSITION FOR ENCAPSULATION AND SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 18/631187 [patent_app_country] => US [patent_app_date] => 2024-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8044 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18631187 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/631187
RESIN COMPOSITION FOR ENCAPSULATION AND SEMICONDUCTOR DEVICE Apr 9, 2024 Pending
Array ( [id] => 20272079 [patent_doc_number] => 12441848 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-14 [patent_title] => Methods for the continuous polymerization of phosphate compounds to form polyphosphate compositions [patent_app_type] => utility [patent_app_number] => 18/444827 [patent_app_country] => US [patent_app_date] => 2024-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3782 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18444827 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/444827
Methods for the continuous polymerization of phosphate compounds to form polyphosphate compositions Feb 18, 2024 Issued
Array ( [id] => 19424960 [patent_doc_number] => 12084359 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-09-10 [patent_title] => Synthesis of positively charged hydrogels for anionic pollutant removal [patent_app_type] => utility [patent_app_number] => 18/403431 [patent_app_country] => US [patent_app_date] => 2024-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1896 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18403431 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/403431
Synthesis of positively charged hydrogels for anionic pollutant removal Jan 2, 2024 Issued
Array ( [id] => 19083227 [patent_doc_number] => 20240110028 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => FIRE RESISTANT THERMOPLASTIC-BASED RESIN FOR FIBER-REINFORCED COMPOSITES [patent_app_type] => utility [patent_app_number] => 18/539001 [patent_app_country] => US [patent_app_date] => 2023-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4670 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18539001 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/539001
FIRE RESISTANT THERMOPLASTIC-BASED RESIN FOR FIBER-REINFORCED COMPOSITES Dec 12, 2023 Pending
Array ( [id] => 19083284 [patent_doc_number] => 20240110085 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => HIGH MODULUS, TOUGHENED ONE-COMPONENT EPOXY STRUCTURAL ADHESIVES WITH HIGH ASPECT RATIO FILLERS [patent_app_type] => utility [patent_app_number] => 18/528894 [patent_app_country] => US [patent_app_date] => 2023-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8305 [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] => 18528894 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/528894
HIGH MODULUS, TOUGHENED ONE-COMPONENT EPOXY STRUCTURAL ADHESIVES WITH HIGH ASPECT RATIO FILLERS Dec 4, 2023 Pending
Array ( [id] => 19097015 [patent_doc_number] => 20240116242 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => THREE-DIMENSIONAL PRINTING [patent_app_type] => utility [patent_app_number] => 18/527120 [patent_app_country] => US [patent_app_date] => 2023-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15765 [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] => 18527120 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/527120
THREE-DIMENSIONAL PRINTING Nov 30, 2023 Pending
Array ( [id] => 19051058 [patent_doc_number] => 20240093027 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => POLYMERS USEFUL AS SURFACE LEVELING AGENTS [patent_app_type] => utility [patent_app_number] => 18/521544 [patent_app_country] => US [patent_app_date] => 2023-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5319 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18521544 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/521544
POLYMERS USEFUL AS SURFACE LEVELING AGENTS Nov 27, 2023 Pending
Array ( [id] => 19051058 [patent_doc_number] => 20240093027 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => POLYMERS USEFUL AS SURFACE LEVELING AGENTS [patent_app_type] => utility [patent_app_number] => 18/521544 [patent_app_country] => US [patent_app_date] => 2023-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5319 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18521544 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/521544
POLYMERS USEFUL AS SURFACE LEVELING AGENTS Nov 27, 2023 Pending
Array ( [id] => 19051103 [patent_doc_number] => 20240093072 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => ONE-COMPONENT TOUGHENED EPOXY ADHESIVES [patent_app_type] => utility [patent_app_number] => 18/510150 [patent_app_country] => US [patent_app_date] => 2023-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6991 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18510150 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/510150
ONE-COMPONENT TOUGHENED EPOXY ADHESIVES Nov 14, 2023 Pending
Array ( [id] => 19003749 [patent_doc_number] => 20240067820 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => POLOXAMER COMPOSITIONS AND METHODS OF MAKING AND USING SAME [patent_app_type] => utility [patent_app_number] => 18/493554 [patent_app_country] => US [patent_app_date] => 2023-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5195 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 18493554 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/493554
POLOXAMER COMPOSITIONS AND METHODS OF MAKING AND USING SAME Oct 23, 2023 Abandoned
Array ( [id] => 19003701 [patent_doc_number] => 20240067772 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [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] => 18/383072 [patent_app_country] => US [patent_app_date] => 2023-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17436 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18383072 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/383072
EPOXY COMPOUND, COMPOSITION PREPARED THEREFROM, SEMICONDUCTOR DEVICE PREPARED THEREFROM, ELECTRONIC DEVICE PREPARED THEREFROM, ARTICLE PREPARED THEREFROM, AND METHOD OF PREPARING EPOXY COMPOUND Oct 23, 2023 Issued
Array ( [id] => 18987860 [patent_doc_number] => 20240059829 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => EPOXY COMPOUND, COMPOSITION PREPARED THEREFROM, SEMICONDUCTOR DEVICE PREPARED THEREFROM, ELECTRONIC DEVICE PREPARED THEREFROM, ARTICLE PREPARED THEREFROM, AND METHOD OF PREPARING ARTICLE [patent_app_type] => utility [patent_app_number] => 18/382287 [patent_app_country] => US [patent_app_date] => 2023-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12382 [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] => 18382287 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/382287
EPOXY COMPOUND, COMPOSITION PREPARED THEREFROM, SEMICONDUCTOR DEVICE PREPARED THEREFROM, ELECTRONIC DEVICE PREPARED THEREFROM, ARTICLE PREPARED THEREFROM, AND METHOD OF PREPARING ARTICLE Oct 19, 2023 Pending
Array ( [id] => 19521172 [patent_doc_number] => 12122881 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-22 [patent_title] => Linear block copolymer toughener with acrylate functional groups [patent_app_type] => utility [patent_app_number] => 18/377115 [patent_app_country] => US [patent_app_date] => 2023-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 1781 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18377115 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/377115
Linear block copolymer toughener with acrylate functional groups Oct 4, 2023 Issued
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