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] => 18530059 [patent_doc_number] => 20230235128 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => PROCESS FOR PRODUCING THERMALLY STABILIZED LIGNIN [patent_app_type] => utility [patent_app_number] => 18/000869 [patent_app_country] => US [patent_app_date] => 2021-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3503 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18000869 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/000869
PROCESS FOR PRODUCING THERMALLY STABILIZED LIGNIN Jun 9, 2021 Pending
Array ( [id] => 18497657 [patent_doc_number] => 20230220322 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => BIOCOMPATIBLE DEVICE WITH AN ADSORBED LAYER OF CATIONIC COMB COPOLYMER [patent_app_type] => utility [patent_app_number] => 18/011056 [patent_app_country] => US [patent_app_date] => 2021-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7947 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18011056 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/011056
BIOCOMPATIBLE DEVICE WITH AN ADSORBED LAYER OF CATIONIC COMB COPOLYMER Jun 7, 2021 Pending
Array ( [id] => 18964281 [patent_doc_number] => 11898033 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-13 [patent_title] => Oxymethylene copolymer resin composition and method for producing same [patent_app_type] => utility [patent_app_number] => 17/920443 [patent_app_country] => US [patent_app_date] => 2021-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 12744 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17920443 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/920443
Oxymethylene copolymer resin composition and method for producing same May 30, 2021 Issued
Array ( [id] => 17228713 [patent_doc_number] => 20210355269 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-18 [patent_title] => EPOXY RESIN [patent_app_type] => utility [patent_app_number] => 17/333284 [patent_app_country] => US [patent_app_date] => 2021-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12920 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [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] => 17333284 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/333284
Epoxy resin May 27, 2021 Issued
Array ( [id] => 17258604 [patent_doc_number] => 20210371589 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-02 [patent_title] => LIGNIN-BASED BLOCK COPOLYMER MOLECULAR-LEVEL COMBINED POLYETHER, PREPARATION METHOD THEREOF, AND APPLICATION IN PREPARING FLEXIBLE POLYURETHANE FOAM MATERIAL [patent_app_type] => utility [patent_app_number] => 17/330407 [patent_app_country] => US [patent_app_date] => 2021-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2429 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17330407 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/330407
LIGNIN-BASED BLOCK COPOLYMER MOLECULAR-LEVEL COMBINED POLYETHER, PREPARATION METHOD THEREOF, AND APPLICATION IN PREPARING FLEXIBLE POLYURETHANE FOAM MATERIAL May 25, 2021 Abandoned
Array ( [id] => 18436342 [patent_doc_number] => 20230183636 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => METHOD AND ARRANGEMENT FOR CONTROLLED PRETREATMENT OF BIOMASS [patent_app_type] => utility [patent_app_number] => 17/995956 [patent_app_country] => US [patent_app_date] => 2021-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11831 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17995956 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/995956
METHOD AND ARRANGEMENT FOR CONTROLLED PRETREATMENT OF BIOMASS May 23, 2021 Pending
Array ( [id] => 17082169 [patent_doc_number] => 20210277175 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-09 [patent_title] => AMINE FOR LOW-EMISSION EPOXY RESIN COMPOSITIONS [patent_app_type] => utility [patent_app_number] => 17/327982 [patent_app_country] => US [patent_app_date] => 2021-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9876 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17327982 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/327982
AMINE FOR LOW-EMISSION EPOXY RESIN COMPOSITIONS May 23, 2021 Abandoned
Array ( [id] => 17243721 [patent_doc_number] => 20210363464 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-25 [patent_title] => Desulfurized Crude Tall Oil Compositions and Processes for Producing [patent_app_type] => utility [patent_app_number] => 17/302982 [patent_app_country] => US [patent_app_date] => 2021-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4408 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17302982 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/302982
Desulfurized Crude Tall Oil Compositions and Processes for Producing May 17, 2021 Abandoned
Array ( [id] => 18853969 [patent_doc_number] => 11851531 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-26 [patent_title] => Aliphatic epoxy-terminated polysulfide polymer [patent_app_type] => utility [patent_app_number] => 17/303020 [patent_app_country] => US [patent_app_date] => 2021-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3717 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17303020 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/303020
Aliphatic epoxy-terminated polysulfide polymer May 17, 2021 Issued
Array ( [id] => 18497508 [patent_doc_number] => 20230220153 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => CURING AGENT, ADHESIVE COMPOSITION FOR SEMICONDUCTOR COMPRISING SAME, ADHESIVE FILM FOR SEMICONDUCTOR, AND SEMICONDUCTOR PACKAGE USING SAME [patent_app_type] => utility [patent_app_number] => 17/996296 [patent_app_country] => US [patent_app_date] => 2021-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9449 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17996296 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/996296
CURING AGENT, ADHESIVE COMPOSITION FOR SEMICONDUCTOR COMPRISING SAME, ADHESIVE FILM FOR SEMICONDUCTOR, AND SEMICONDUCTOR PACKAGE USING SAME Apr 15, 2021 Pending
Array ( [id] => 18853951 [patent_doc_number] => 11851513 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-26 [patent_title] => Poly(cyclohexadiene) homopolymer based compositions and uses thereof [patent_app_type] => utility [patent_app_number] => 17/301490 [patent_app_country] => US [patent_app_date] => 2021-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4788 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17301490 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/301490
Poly(cyclohexadiene) homopolymer based compositions and uses thereof Apr 4, 2021 Issued
Array ( [id] => 19368394 [patent_doc_number] => 12060466 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-13 [patent_title] => Molding material, fiber-reinforced composite article and method for producing fiber-reinforced composite article [patent_app_type] => utility [patent_app_number] => 17/214502 [patent_app_country] => US [patent_app_date] => 2021-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8793 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17214502 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/214502
Molding material, fiber-reinforced composite article and method for producing fiber-reinforced composite article Mar 25, 2021 Issued
Array ( [id] => 18649566 [patent_doc_number] => 20230295382 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-21 [patent_title] => SYSTEMS AND METHODS FOR DRYING AND DEODORIZING LIGNIN [patent_app_type] => utility [patent_app_number] => 17/906764 [patent_app_country] => US [patent_app_date] => 2021-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5826 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 16 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17906764 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/906764
SYSTEMS AND METHODS FOR DRYING AND DEODORIZING LIGNIN Mar 18, 2021 Pending
Array ( [id] => 18753866 [patent_doc_number] => 20230357174 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => TALL OIL DERIVED GLYCIDYL ESTERS AND PROCESS OF MAKING THE SAME [patent_app_type] => utility [patent_app_number] => 17/906706 [patent_app_country] => US [patent_app_date] => 2021-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6587 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17906706 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/906706
TALL OIL DERIVED GLYCIDYL ESTERS AND PROCESS OF MAKING THE SAME Mar 16, 2021 Abandoned
Array ( [id] => 17111999 [patent_doc_number] => 20210292596 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-23 [patent_title] => THERMOSETTING POWDER COATING MATERIAL, COATING FILM USING THE COATING MATERIAL, AND COATED BODY COMPRISING THE COATING FILM [patent_app_type] => utility [patent_app_number] => 17/204151 [patent_app_country] => US [patent_app_date] => 2021-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7336 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17204151 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/204151
Thermosetting powder coating material, coating film using the coating material, and coated body comprising the coating film Mar 16, 2021 Issued
Array ( [id] => 18337257 [patent_doc_number] => 20230129206 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-27 [patent_title] => CURING AGENT COMPOSITION BASED ON DIAMINOMETHYLCYCLOHEXANE AND 1,3-CYCLOHEXANEBIS(METHYLAMINE) FOR AN EPOXY RESIN COMPOSITION, EPOXY RESIN COMPOSITION, AND MULTI-COMPONENT EPOXY RESIN SYSTEM [patent_app_type] => utility [patent_app_number] => 17/906588 [patent_app_country] => US [patent_app_date] => 2021-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7433 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17906588 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/906588
Curing agent composition based on diaminomethylcyclohexane and 1,3-cyclohexanebis(methylamine) for an epoxy resin composition, epoxy resin composition, and multi-component epoxy resin system Mar 7, 2021 Issued
Array ( [id] => 17185307 [patent_doc_number] => 20210332192 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-28 [patent_title] => METHODS FOR THE CONTINUOUS POLYMERIZATION OF PHOSPHATE COMPOUNDS TO FORM POLYPHOSPHATE COMPOSITIONS [patent_app_type] => utility [patent_app_number] => 17/194373 [patent_app_country] => US [patent_app_date] => 2021-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8612 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17194373 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/194373
Methods for the continuous polymerization of phosphate compounds to form polyphosphate compositions Mar 7, 2021 Issued
Array ( [id] => 17082290 [patent_doc_number] => 20210277296 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-09 [patent_title] => ADHESIVE COMPOSITION, CURED PRODUCT, AND ARTICLE [patent_app_type] => utility [patent_app_number] => 17/194124 [patent_app_country] => US [patent_app_date] => 2021-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4765 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17194124 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/194124
ADHESIVE COMPOSITION, CURED PRODUCT, AND ARTICLE Mar 4, 2021 Abandoned
Array ( [id] => 20505943 [patent_doc_number] => 12540210 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-03 [patent_title] => Alkoxylated resol-type phenol resin and method for producing same [patent_app_type] => utility [patent_app_number] => 17/781211 [patent_app_country] => US [patent_app_date] => 2021-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2297 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17781211 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/781211
Alkoxylated resol-type phenol resin and method for producing same Mar 4, 2021 Issued
Array ( [id] => 16977732 [patent_doc_number] => 20210221969 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-22 [patent_title] => SHEET MOLDING COMPOUND AND FIBER-REINFORCED COMPOSITE [patent_app_type] => utility [patent_app_number] => 17/192103 [patent_app_country] => US [patent_app_date] => 2021-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14732 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17192103 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/192103
Sheet molding compound and fiber-reinforced composite Mar 3, 2021 Issued
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