Search

William T. Leader

Examiner (ID: 18853)

Most Active Art Unit
1102
Art Unit(s)
1741, 1742, 1753, 1795, 1723, 1109, 1106, 1104, 1102, 1754, 2899
Total Applications
1892
Issued Applications
1323
Pending Applications
98
Abandoned Applications
472

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17938495 [patent_doc_number] => 11472936 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-18 [patent_title] => Method and formulation for an isocyanate-free foam using isocyanate-free polyurethane chemistry [patent_app_type] => utility [patent_app_number] => 16/970524 [patent_app_country] => US [patent_app_date] => 2019-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10874 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16970524 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/970524
Method and formulation for an isocyanate-free foam using isocyanate-free polyurethane chemistry Feb 19, 2019 Issued
Array ( [id] => 15496417 [patent_doc_number] => 20200048397 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-13 [patent_title] => CATALYSTS FOR POLYURETHANE FOAM POLYOL PREMIXES CONTAINING HALOGENATED OLEFIN BLOWING AGENTS [patent_app_type] => utility [patent_app_number] => 16/275568 [patent_app_country] => US [patent_app_date] => 2019-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5216 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16275568 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/275568
Catalysts for polyurethane foam polyol premixes containing halogenated olefin blowing agents Feb 13, 2019 Issued
Array ( [id] => 15496417 [patent_doc_number] => 20200048397 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-13 [patent_title] => CATALYSTS FOR POLYURETHANE FOAM POLYOL PREMIXES CONTAINING HALOGENATED OLEFIN BLOWING AGENTS [patent_app_type] => utility [patent_app_number] => 16/275568 [patent_app_country] => US [patent_app_date] => 2019-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5216 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16275568 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/275568
Catalysts for polyurethane foam polyol premixes containing halogenated olefin blowing agents Feb 13, 2019 Issued
Array ( [id] => 14746207 [patent_doc_number] => 20190256277 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-22 [patent_title] => AEROSOL CAN CONFIGURATION [patent_app_type] => utility [patent_app_number] => 16/268680 [patent_app_country] => US [patent_app_date] => 2019-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2945 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16268680 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/268680
Aerosol can configuration Feb 5, 2019 Issued
Array ( [id] => 16824342 [patent_doc_number] => 20210139635 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-13 [patent_title] => SUPERABSORBENT POLYMER FOR POLYURETHANE FOAMS [patent_app_type] => utility [patent_app_number] => 16/969337 [patent_app_country] => US [patent_app_date] => 2019-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4097 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 9 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16969337 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/969337
SUPERABSORBENT POLYMER FOR POLYURETHANE FOAMS Feb 3, 2019 Abandoned
Array ( [id] => 16940948 [patent_doc_number] => 11053169 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-07-06 [patent_title] => Syntactic insulator with co-shrinking fillers [patent_app_type] => utility [patent_app_number] => 16/257187 [patent_app_country] => US [patent_app_date] => 2019-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 5836 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 3 [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] => 16257187 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/257187
Syntactic insulator with co-shrinking fillers Jan 24, 2019 Issued
Array ( [id] => 18545363 [patent_doc_number] => 11718703 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-08 [patent_title] => Rigid foam with improved insulating power [patent_app_type] => utility [patent_app_number] => 16/963347 [patent_app_country] => US [patent_app_date] => 2019-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 20059 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16963347 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/963347
Rigid foam with improved insulating power Jan 21, 2019 Issued
Array ( [id] => 16398876 [patent_doc_number] => 20200339734 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-29 [patent_title] => POLYESTER-POLYOL COMPOSITIONS FOR POLYURETHANE FOAM WITH IMPROVED HYDROLYTIC STABILITY [patent_app_type] => utility [patent_app_number] => 16/962316 [patent_app_country] => US [patent_app_date] => 2019-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1373 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16962316 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/962316
Polyester-polyol compositions for polyurethane foam with improved hydrolytic stability Jan 17, 2019 Issued
Array ( [id] => 16177004 [patent_doc_number] => 20200223972 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-16 [patent_title] => METHOD TO CONTROL CELL SIZE IN POLYESTER POLYURETHANE FOAMS [patent_app_type] => utility [patent_app_number] => 16/248036 [patent_app_country] => US [patent_app_date] => 2019-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4561 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16248036 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/248036
Method to control cell size in polyester polyurethane foams Jan 14, 2019 Issued
Array ( [id] => 16786150 [patent_doc_number] => 10988565 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-04-27 [patent_title] => Process for producing elastic and tear-resistant polyurethane foams and uses [patent_app_type] => utility [patent_app_number] => 16/245470 [patent_app_country] => US [patent_app_date] => 2019-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9516 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 296 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16245470 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/245470
Process for producing elastic and tear-resistant polyurethane foams and uses Jan 10, 2019 Issued
Array ( [id] => 14581441 [patent_doc_number] => 20190218329 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-18 [patent_title] => PROCESS FOR PRODUCING LOW-SWELLING POLYUREHTANE FOAMS AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 16/245393 [patent_app_country] => US [patent_app_date] => 2019-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10504 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 16245393 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/245393
PROCESS FOR PRODUCING LOW-SWELLING POLYUREHTANE FOAMS AND USES THEREOF Jan 10, 2019 Abandoned
Array ( [id] => 17370092 [patent_doc_number] => 20220025144 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-27 [patent_title] => RIGID POLYISOCYANURATE AND POLYURETHANE FOAMS AND METHODS FOR PREPARING THE SAME [patent_app_type] => utility [patent_app_number] => 17/294291 [patent_app_country] => US [patent_app_date] => 2019-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8809 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17294291 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/294291
RIGID POLYISOCYANURATE AND POLYURETHANE FOAMS AND METHODS FOR PREPARING THE SAME Jan 7, 2019 Abandoned
Array ( [id] => 16777189 [patent_doc_number] => 20210114266 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-22 [patent_title] => PROCESS FOR PREPARING LAYERED FOAMED POLYMERIC MATERIALS [patent_app_type] => utility [patent_app_number] => 17/047486 [patent_app_country] => US [patent_app_date] => 2019-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10607 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17047486 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/047486
PROCESS FOR PREPARING LAYERED FOAMED POLYMERIC MATERIALS Jan 3, 2019 Pending
Array ( [id] => 17356652 [patent_doc_number] => 20220017448 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-20 [patent_title] => STABLE DISPERSANT AND APPLICATION THEREOF IN PREPARING COPOLYMER POLYOLS [patent_app_type] => utility [patent_app_number] => 17/294102 [patent_app_country] => US [patent_app_date] => 2018-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4588 [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] => 17294102 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/294102
Stable dispersant and application thereof in preparing copolymer polyols Dec 25, 2018 Issued
Array ( [id] => 14214153 [patent_doc_number] => 20190119461 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-04-25 [patent_title] => STABILIZED POLYURETHANE POLYOL BLENDS CONTAINING HALOGENATED OLEFIN BLOWING AGENT [patent_app_type] => utility [patent_app_number] => 16/228844 [patent_app_country] => US [patent_app_date] => 2018-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6814 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 16228844 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/228844
STABILIZED POLYURETHANE POLYOL BLENDS CONTAINING HALOGENATED OLEFIN BLOWING AGENT Dec 20, 2018 Abandoned
Array ( [id] => 17299593 [patent_doc_number] => 20210395432 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-23 [patent_title] => RIGID POLYISOCYANURATE AND POLYURETHANE FOAMS AND METHODS FOR PREPARING THE SAME [patent_app_type] => utility [patent_app_number] => 17/287633 [patent_app_country] => US [patent_app_date] => 2018-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6183 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17287633 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/287633
RIGID POLYISOCYANURATE AND POLYURETHANE FOAMS AND METHODS FOR PREPARING THE SAME Dec 13, 2018 Abandoned
Array ( [id] => 16628885 [patent_doc_number] => 20210047538 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-18 [patent_title] => FROST-RESISTANT WATER PAINTS BASED ON POLYISOCYANATES [patent_app_type] => utility [patent_app_number] => 16/772837 [patent_app_country] => US [patent_app_date] => 2018-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19735 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 16772837 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/772837
Frost-resistant water paints based on polyisocyanates Dec 13, 2018 Issued
Array ( [id] => 16628894 [patent_doc_number] => 20210047547 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-18 [patent_title] => FROST-RESISTANT ADHESIVES BASED ON POLYISOCYANATES [patent_app_type] => utility [patent_app_number] => 16/772830 [patent_app_country] => US [patent_app_date] => 2018-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18092 [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] => 16772830 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/772830
Frost-resistant adhesives based on polyisocyanates Dec 13, 2018 Issued
Array ( [id] => 18128892 [patent_doc_number] => 11555091 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-17 [patent_title] => Composition with reduced aldehyde emission [patent_app_type] => utility [patent_app_number] => 16/768978 [patent_app_country] => US [patent_app_date] => 2018-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4555 [patent_no_of_claims] => 14 [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] => 16768978 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/768978
Composition with reduced aldehyde emission Dec 12, 2018 Issued
Array ( [id] => 18260727 [patent_doc_number] => 11608421 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-21 [patent_title] => Method of making dispersions [patent_app_type] => utility [patent_app_number] => 16/767628 [patent_app_country] => US [patent_app_date] => 2018-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5937 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16767628 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/767628
Method of making dispersions Dec 12, 2018 Issued
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