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] => 16762441 [patent_doc_number] => 20210108022 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-15 [patent_title] => Sprayable Marine Foam [patent_app_type] => utility [patent_app_number] => 17/067886 [patent_app_country] => US [patent_app_date] => 2020-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5076 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17067886 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/067886
Sprayable marine foam Oct 11, 2020 Issued
Array ( [id] => 17533717 [patent_doc_number] => 20220112326 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-14 [patent_title] => RENEWABLE-BASED FLEXIBLE POLYURETHANE FOAMS [patent_app_type] => utility [patent_app_number] => 17/068752 [patent_app_country] => US [patent_app_date] => 2020-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3971 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17068752 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/068752
RENEWABLE-BASED FLEXIBLE POLYURETHANE FOAMS Oct 11, 2020 Abandoned
Array ( [id] => 16598213 [patent_doc_number] => 20210024744 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-28 [patent_title] => POLYOL BLENDS AND RIGID FOAMS WITH IMPROVED LOW-TEMPERATURE R-VALUES [patent_app_type] => utility [patent_app_number] => 17/066741 [patent_app_country] => US [patent_app_date] => 2020-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4901 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17066741 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/066741
Polyol blends and rigid foams with improved low-temperature R-values Oct 8, 2020 Issued
Array ( [id] => 16598179 [patent_doc_number] => 20210024710 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-28 [patent_title] => MICROPOROUS SHEET PRODUCT AND METHODS FOR MAKING AND USING THE SAME [patent_app_type] => utility [patent_app_number] => 17/064179 [patent_app_country] => US [patent_app_date] => 2020-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10869 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 17064179 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/064179
MICROPOROUS SHEET PRODUCT AND METHODS FOR MAKING AND USING THE SAME Oct 5, 2020 Abandoned
Array ( [id] => 16750032 [patent_doc_number] => 20210102041 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-08 [patent_title] => POLYOL PREMIXES, POLYURETHANE FOAM-FORMING COMPOSITIONS AND CLOSED-CELLED RIGID POLYURETHANE FOAMS FORMED THEREFROM [patent_app_type] => utility [patent_app_number] => 17/060301 [patent_app_country] => US [patent_app_date] => 2020-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8670 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17060301 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/060301
POLYOL PREMIXES, POLYURETHANE FOAM-FORMING COMPOSITIONS AND CLOSED-CELLED RIGID POLYURETHANE FOAMS FORMED THEREFROM Sep 30, 2020 Abandoned
Array ( [id] => 18128898 [patent_doc_number] => 11555097 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-17 [patent_title] => Use of micro and nanocellulose as performance modifiers in flexible polyurethane foams [patent_app_type] => utility [patent_app_number] => 17/039487 [patent_app_country] => US [patent_app_date] => 2020-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 11 [patent_no_of_words] => 5276 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17039487 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/039487
Use of micro and nanocellulose as performance modifiers in flexible polyurethane foams Sep 29, 2020 Issued
Array ( [id] => 18109702 [patent_doc_number] => 20230002582 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-05 [patent_title] => ENHANCEMENT OF LONG-TERM PROPERTIES OF CLOSED-CELL RIGID POLYURETHANE FOAMS [patent_app_type] => utility [patent_app_number] => 17/753891 [patent_app_country] => US [patent_app_date] => 2020-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7870 [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] => 17753891 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/753891
Enhancement of long-term properties of closed-cell rigid polyurethane foams Sep 16, 2020 Abandoned
Array ( [id] => 17960125 [patent_doc_number] => 20220340705 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-27 [patent_title] => POLYOL RESIN BLEND FOR USE IN PRODUCING STABLE POLYOL COMPONENTS [patent_app_type] => utility [patent_app_number] => 17/764352 [patent_app_country] => US [patent_app_date] => 2020-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9560 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17764352 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/764352
POLYOL RESIN BLEND FOR USE IN PRODUCING STABLE POLYOL COMPONENTS Sep 15, 2020 Abandoned
Array ( [id] => 20241061 [patent_doc_number] => 12421370 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Foam and method for manufacturing foam [patent_app_type] => utility [patent_app_number] => 17/634021 [patent_app_country] => US [patent_app_date] => 2020-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6367 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17634021 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/634021
Foam and method for manufacturing foam Sep 6, 2020 Issued
Array ( [id] => 20201614 [patent_doc_number] => 12404383 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-02 [patent_title] => Foam and method for manufacturing foam [patent_app_type] => utility [patent_app_number] => 17/634060 [patent_app_country] => US [patent_app_date] => 2020-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6412 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17634060 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/634060
Foam and method for manufacturing foam Sep 6, 2020 Issued
Array ( [id] => 18384556 [patent_doc_number] => 11655328 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-23 [patent_title] => Dimensionally stable closed-cell and rigid foams produced with methylal blowing agent [patent_app_type] => utility [patent_app_number] => 17/010036 [patent_app_country] => US [patent_app_date] => 2020-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7370 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17010036 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/010036
Dimensionally stable closed-cell and rigid foams produced with methylal blowing agent Sep 1, 2020 Issued
Array ( [id] => 18020739 [patent_doc_number] => 20220372238 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-24 [patent_title] => THERMALLY EXPANDABLE COMPOSITIONS COMPRISING A CHEMICAL BLOWING AGENT [patent_app_type] => utility [patent_app_number] => 17/623471 [patent_app_country] => US [patent_app_date] => 2020-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15598 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17623471 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/623471
Thermally expandable compositions comprising a chemical blowing agent Aug 16, 2020 Issued
Array ( [id] => 17867193 [patent_doc_number] => 20220289929 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-15 [patent_title] => COMPOSITIONS REMOVABLE BY THERMAL ACTIVATION, USES AND ASSEMBLIES COMPRISING SUCH COMPOSITIONS [patent_app_type] => utility [patent_app_number] => 17/634412 [patent_app_country] => US [patent_app_date] => 2020-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4004 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17634412 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/634412
COMPOSITIONS REMOVABLE BY THERMAL ACTIVATION, USES AND ASSEMBLIES COMPRISING SUCH COMPOSITIONS Aug 11, 2020 Pending
Array ( [id] => 17913354 [patent_doc_number] => 20220315749 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => Process for Producing Vinyl Aromatic (Co)Polymer Incorporating Post-Consumer and/or Post-Industrial Recycled Polystyrene [patent_app_type] => utility [patent_app_number] => 17/640161 [patent_app_country] => US [patent_app_date] => 2020-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6048 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17640161 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/640161
Process for producing vinyl aromatic (co)polymer incorporating post-consumer and/or post-industrial recycled polystyrene Aug 11, 2020 Issued
Array ( [id] => 18028994 [patent_doc_number] => 11512167 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-29 [patent_title] => Polyether polyol and polyol system liquid [patent_app_type] => utility [patent_app_number] => 16/985330 [patent_app_country] => US [patent_app_date] => 2020-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 12671 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16985330 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/985330
Polyether polyol and polyol system liquid Aug 4, 2020 Issued
Array ( [id] => 16437210 [patent_doc_number] => 20200354536 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-12 [patent_title] => Polyurethane Gel Particles, Methods and Use in Flexible Foams [patent_app_type] => utility [patent_app_number] => 16/941845 [patent_app_country] => US [patent_app_date] => 2020-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10536 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16941845 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/941845
Polyurethane Gel Particles, Methods and Use in Flexible Foams Jul 28, 2020 Abandoned
Array ( [id] => 16437193 [patent_doc_number] => 20200354519 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-12 [patent_title] => POLYMER POLYOLS COMPRISING AMINE BASED POLYETHER POLYOLS AND A PROCESS FOR PREPARING THESE POLYMER POLYOLS [patent_app_type] => utility [patent_app_number] => 16/941613 [patent_app_country] => US [patent_app_date] => 2020-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5614 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 16941613 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/941613
Polymer polyols comprising amine based polyether polyols and a process for preparing these polymer polyols Jul 28, 2020 Issued
Array ( [id] => 17541063 [patent_doc_number] => 11306176 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-19 [patent_title] => Flexible polyurethane foams [patent_app_type] => utility [patent_app_number] => 16/936664 [patent_app_country] => US [patent_app_date] => 2020-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 11197 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 307 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16936664 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/936664
Flexible polyurethane foams Jul 22, 2020 Issued
Array ( [id] => 17837902 [patent_doc_number] => 20220275207 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-01 [patent_title] => SILICONE COMPOSITION FOR ELASTOMER FOAM [patent_app_type] => utility [patent_app_number] => 17/630045 [patent_app_country] => US [patent_app_date] => 2020-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6675 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17630045 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/630045
SILICONE COMPOSITION FOR ELASTOMER FOAM Jul 22, 2020 Pending
Array ( [id] => 17807240 [patent_doc_number] => 20220259075 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-18 [patent_title] => N-ALKYL-D-GLUCAMINE BASED MACROPOROUS POLYMERIC CRYOGEL FOR SEQUESTERING AND/OR REMOVING TOXIC CONTAMINANTS [patent_app_type] => utility [patent_app_number] => 17/626227 [patent_app_country] => US [patent_app_date] => 2020-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6177 [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] => 17626227 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/626227
N-ALKYL-D-GLUCAMINE BASED MACROPOROUS POLYMERIC CRYOGEL FOR SEQUESTERING AND/OR REMOVING TOXIC CONTAMINANTS Jul 12, 2020 Pending
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