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] => 19003700 [patent_doc_number] => 20240067771 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => NEW CATALYST FOR PRODUCING POLYURETHANES [patent_app_type] => utility [patent_app_number] => 18/258054 [patent_app_country] => US [patent_app_date] => 2021-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6956 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18258054 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/258054
NEW CATALYST FOR PRODUCING POLYURETHANES Dec 15, 2021 Pending
Array ( [id] => 18436119 [patent_doc_number] => 20230183413 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => HCFO-CONTAINING POLYURETHANE FOAM-FORMING COMPOSITIONS, RELATED FOAMS AND METHODS FOR THEIR PRODUCTION [patent_app_type] => utility [patent_app_number] => 17/546116 [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] => 15308 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17546116 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/546116
HCFO-containing polyurethane foam-forming compositions, related foams and methods for their production Dec 8, 2021 Issued
Array ( [id] => 17505469 [patent_doc_number] => 20220098571 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => BIODEGRADABLE POLYESTER-BASED POLYURETHANE FOAMS [patent_app_type] => utility [patent_app_number] => 17/546433 [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] => 4629 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [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] => 17546433 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/546433
Biodegradable polyester-based polyurethane foams Dec 8, 2021 Issued
Array ( [id] => 17837838 [patent_doc_number] => 20220275143 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-01 [patent_title] => COMPOSITION FOR FORMING BIODEGRADABLE HORTICULTURAL GROWING FOAM [patent_app_type] => utility [patent_app_number] => 17/643519 [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] => 3006 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17643519 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/643519
COMPOSITION FOR FORMING BIODEGRADABLE HORTICULTURAL GROWING FOAM Dec 8, 2021 Abandoned
Array ( [id] => 19003718 [patent_doc_number] => 20240067789 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => Structured Material [patent_app_type] => utility [patent_app_number] => 18/038549 [patent_app_country] => US [patent_app_date] => 2021-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7706 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18038549 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/038549
Structured Material Dec 2, 2021 Pending
Array ( [id] => 18895324 [patent_doc_number] => 20240010809 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => NANOCELLULAR EXPANDED POLYMER BEADS, METHOD OF MANUFACTURE AND USES [patent_app_type] => utility [patent_app_number] => 18/254991 [patent_app_country] => US [patent_app_date] => 2021-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15108 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18254991 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/254991
NANOCELLULAR EXPANDED POLYMER BEADS, METHOD OF MANUFACTURE AND USES Nov 30, 2021 Pending
Array ( [id] => 17474001 [patent_doc_number] => 20220081505 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-17 [patent_title] => PROCESS FOR PRODUCING A LOW DENSITY FREE-RISE POLYURETHANE FOAM [patent_app_type] => utility [patent_app_number] => 17/538561 [patent_app_country] => US [patent_app_date] => 2021-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6291 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 17538561 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/538561
Process for producing a low density free-rise polyurethane foam Nov 29, 2021 Issued
Array ( [id] => 18844630 [patent_doc_number] => 20230407034 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => EXTRUDED FOAMS MANUFACTURED USING HIGHLY BRANCHED ETHYLENE-BASED POLYMERS [patent_app_type] => utility [patent_app_number] => 18/254046 [patent_app_country] => US [patent_app_date] => 2021-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18682 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18254046 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/254046
EXTRUDED FOAMS MANUFACTURED USING HIGHLY BRANCHED ETHYLENE-BASED POLYMERS Nov 23, 2021 Pending
Array ( [id] => 19354165 [patent_doc_number] => 12054596 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-06 [patent_title] => Azeotrope or azeotrope-like compositions of Z-1-chloro-2,3,3,3-tetrafluoropropene (HCFO-1224yd(Z)) [patent_app_type] => utility [patent_app_number] => 17/532510 [patent_app_country] => US [patent_app_date] => 2021-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 9211 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 16 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17532510 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/532510
Azeotrope or azeotrope-like compositions of Z-1-chloro-2,3,3,3-tetrafluoropropene (HCFO-1224yd(Z)) Nov 21, 2021 Issued
Array ( [id] => 17611674 [patent_doc_number] => 20220153953 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-19 [patent_title] => Hydrophobic/Oleophobic Material [patent_app_type] => utility [patent_app_number] => 17/529572 [patent_app_country] => US [patent_app_date] => 2021-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2312 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17529572 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/529572
Hydrophobic/Oleophobic Material Nov 17, 2021 Abandoned
Array ( [id] => 18923105 [patent_doc_number] => 20240026109 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => ADHESION OF BLOWING AGENT-CONTAINING PARTICLES BASED ON POLYIMIDES OR POLYACRYLATES [patent_app_type] => utility [patent_app_number] => 18/255409 [patent_app_country] => US [patent_app_date] => 2021-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5823 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18255409 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/255409
ADHESION OF BLOWING AGENT-CONTAINING PARTICLES BASED ON POLYIMIDES OR POLYACRYLATES Nov 15, 2021 Pending
Array ( [id] => 17657172 [patent_doc_number] => 20220177637 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-09 [patent_title] => SURFACTANT-FREE FILLED POLYURETHANE FOAM AND METHOD OF MAKING SAME [patent_app_type] => utility [patent_app_number] => 17/523639 [patent_app_country] => US [patent_app_date] => 2021-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15232 [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] => 17523639 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/523639
Surfactant-free filled polyurethane foam and method of making same Nov 9, 2021 Issued
Array ( [id] => 17578902 [patent_doc_number] => 20220135757 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => METHODS OF FORMING POLYOL PREMIXES AND FOAMABLE COMPOSITIONS AND FOAMS FORMED THEREFROM [patent_app_type] => utility [patent_app_number] => 17/523799 [patent_app_country] => US [patent_app_date] => 2021-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14832 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 17523799 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/523799
Methods of forming polyol premixes and foamable compositions and foams formed therefrom Nov 9, 2021 Issued
Array ( [id] => 20438740 [patent_doc_number] => 12509567 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [patent_title] => Liquid composition set, porous resin manufacturing apparatus, and porous resin manufacturing method [patent_app_type] => utility [patent_app_number] => 17/454065 [patent_app_country] => US [patent_app_date] => 2021-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 13315 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [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] => 17454065 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/454065
Liquid composition set, porous resin manufacturing apparatus, and porous resin manufacturing method Nov 8, 2021 Issued
Array ( [id] => 18005131 [patent_doc_number] => 20220363897 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => PLASTIC COMPOSITE RESIN COMPOSITION, A METHOD OF MANUFACTURING A PLASTIC MOLDED ARTICLE, AND A PLASTIC MOLDED ARTICLE FOR RADAR ABSORPTION MANUFACTURED USING THE METHOD [patent_app_type] => utility [patent_app_number] => 17/522753 [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] => 4290 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17522753 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/522753
Plastic composite resin composition, a method of manufacturing a plastic molded article, and a plastic molded article for radar absorption manufactured using the method Nov 8, 2021 Issued
Array ( [id] => 17428113 [patent_doc_number] => 20220055821 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-24 [patent_title] => AEROSOL CAN CONFIGURATION [patent_app_type] => utility [patent_app_number] => 17/517912 [patent_app_country] => US [patent_app_date] => 2021-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2961 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17517912 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/517912
Aerosol can configuration Nov 2, 2021 Issued
Array ( [id] => 17578876 [patent_doc_number] => 20220135731 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => MODIFIED ARYLHYDROXY COMPOUNDS FOR THE PRODUCTION OF POLYURETHANE OR POLYISOCYANURATE [patent_app_type] => utility [patent_app_number] => 17/513960 [patent_app_country] => US [patent_app_date] => 2021-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10658 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17513960 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/513960
Modified arylhydroxy compounds for the production of polyurethane or polyisocyanurate Oct 28, 2021 Issued
Array ( [id] => 18815378 [patent_doc_number] => 20230389716 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => CIRCULAR FOAM FOR CUSHIONS AND MATRASSES, CUSHION AND MATRASS PROVIDED THEREWITH, AND METHOD FOR MANUFACTURING SUCH FOAM [patent_app_type] => utility [patent_app_number] => 18/034281 [patent_app_country] => US [patent_app_date] => 2021-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7191 [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] => 18034281 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/034281
CIRCULAR FOAM FOR CUSHIONS AND MATRASSES, CUSHION AND MATRASS PROVIDED THEREWITH, AND METHOD FOR MANUFACTURING SUCH FOAM Oct 28, 2021 Abandoned
Array ( [id] => 18844634 [patent_doc_number] => 20230407038 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => EXPANDABLE, THERMOPLASTIC POLYMER PARTICLES BASED ON STYRENE POLYMERS AND PROCESS FOR THE PREPARATION THEREOF [patent_app_type] => utility [patent_app_number] => 18/250907 [patent_app_country] => US [patent_app_date] => 2021-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3547 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18250907 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/250907
EXPANDABLE, THERMOPLASTIC POLYMER PARTICLES BASED ON STYRENE POLYMERS AND PROCESS FOR THE PREPARATION THEREOF Oct 27, 2021 Pending
Array ( [id] => 18478345 [patent_doc_number] => 11692075 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-04 [patent_title] => Biocompatible porous materials and methods of manufacture and use [patent_app_type] => utility [patent_app_number] => 17/451360 [patent_app_country] => US [patent_app_date] => 2021-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 18513 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17451360 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/451360
Biocompatible porous materials and methods of manufacture and use Oct 18, 2021 Issued
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