Search

Sikarl A. Witherspoon

Examiner (ID: 17066, Phone: (571)272-0649 , Office: P/1671 )

Most Active Art Unit
1621
Art Unit(s)
1692, 1671, 1622, 1621
Total Applications
3294
Issued Applications
2776
Pending Applications
182
Abandoned Applications
365

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18223633 [patent_doc_number] => 20230062627 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => ACETAL COMPOUNDS AND PROCESSES FOR PREPARING THEREOF, AND PROCESSES FOR PREPARING ALDEHYDE COMPOUNDS FROM THE ACETAL COMPOUNDS [patent_app_type] => utility [patent_app_number] => 17/861629 [patent_app_country] => US [patent_app_date] => 2022-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10810 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17861629 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/861629
Acetal compounds and processes for preparing thereof, and processes for preparing aldehyde compounds from the acetal compounds Jul 10, 2022 Issued
Array ( [id] => 20218571 [patent_doc_number] => 20250281502 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => NEW DRUG APPLICATION [patent_app_type] => utility [patent_app_number] => 18/575733 [patent_app_country] => US [patent_app_date] => 2022-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9944 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18575733 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/575733
NEW DRUG APPLICATION Jun 30, 2022 Pending
Array ( [id] => 17929703 [patent_doc_number] => 20220324828 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-13 [patent_title] => CANNABIS PROCESSING SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 17/808877 [patent_app_country] => US [patent_app_date] => 2022-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8699 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17808877 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/808877
Cannabis processing systems and methods Jun 23, 2022 Issued
Array ( [id] => 17929659 [patent_doc_number] => 20220324784 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-13 [patent_title] => PROCESS OF MAKING PSEUDOIONONE AND HYDROXY PSEUDOIONONE IN AQUEOUS MIXTURES COMPRISING CITRAL AND ACETONE, COMPRISING ADDING FIRST AND SECOND AMOUNTS OF HYDROXIDE [patent_app_type] => utility [patent_app_number] => 17/847215 [patent_app_country] => US [patent_app_date] => 2022-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14910 [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] => 17847215 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/847215
PROCESS OF MAKING PSEUDOIONONE AND HYDROXY PSEUDOIONONE IN AQUEOUS MIXTURES COMPRISING CITRAL AND ACETONE, COMPRISING ADDING FIRST AND SECOND AMOUNTS OF HYDROXIDE Jun 22, 2022 Abandoned
Array ( [id] => 18354993 [patent_doc_number] => 11643381 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-09 [patent_title] => Processes for aldehyde synthesis [patent_app_type] => utility [patent_app_number] => 17/846861 [patent_app_country] => US [patent_app_date] => 2022-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3144 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [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] => 17846861 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/846861
Processes for aldehyde synthesis Jun 21, 2022 Issued
Array ( [id] => 19265219 [patent_doc_number] => 20240208918 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => A METHOD FOR DIRECT HYDROGENATION OF MALEIC ANHYDRIDE TO PRODUCE 1,4-BUTANEDIOL AND CO-PRODUCE SUCCINIC ANHYDRIDE [patent_app_type] => utility [patent_app_number] => 17/759436 [patent_app_country] => US [patent_app_date] => 2022-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5063 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 792 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17759436 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/759436
Method for direct hydrogenation of maleic anhydride to produce 1,4-butanediol and co-produce succinic anhydride Jun 15, 2022 Issued
Array ( [id] => 18109461 [patent_doc_number] => 20230002341 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-05 [patent_title] => CONVERSION OF THC, CBD AND THEIR DERIVATIVES TO CANNABINOL [patent_app_type] => utility [patent_app_number] => 17/839998 [patent_app_country] => US [patent_app_date] => 2022-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2445 [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] => 17839998 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/839998
Conversion of THC, CBD and their derivatives to Cannabinol Jun 13, 2022 Issued
Array ( [id] => 18871114 [patent_doc_number] => 11858899 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-02 [patent_title] => Complexation of pirfenidone with polyphenolic calixarene or resorcin[4]arenes [patent_app_type] => utility [patent_app_number] => 17/837700 [patent_app_country] => US [patent_app_date] => 2022-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 15 [patent_no_of_words] => 5545 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 14 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17837700 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/837700
Complexation of pirfenidone with polyphenolic calixarene or resorcin[4]arenes Jun 9, 2022 Issued
Array ( [id] => 19701411 [patent_doc_number] => 12195420 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Process for the production of 1,4-butanediol from renewable sources and polyesters obtained therefrom [patent_app_type] => utility [patent_app_number] => 17/834151 [patent_app_country] => US [patent_app_date] => 2022-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8196 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17834151 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/834151
Process for the production of 1,4-butanediol from renewable sources and polyesters obtained therefrom Jun 6, 2022 Issued
Array ( [id] => 19564693 [patent_doc_number] => 12139454 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-12 [patent_title] => Dimethylcyclobutanone compounds, dimethylcyclobutane compounds, and processes for preparing the same [patent_app_type] => utility [patent_app_number] => 17/834382 [patent_app_country] => US [patent_app_date] => 2022-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 29472 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17834382 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/834382
Dimethylcyclobutanone compounds, dimethylcyclobutane compounds, and processes for preparing the same Jun 6, 2022 Issued
Array ( [id] => 17881553 [patent_doc_number] => 20220297030 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => PROCESS FOR REMOVING THC FROM CANNABINOIDS [patent_app_type] => utility [patent_app_number] => 17/830098 [patent_app_country] => US [patent_app_date] => 2022-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25939 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17830098 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/830098
PROCESS FOR REMOVING THC FROM CANNABINOIDS May 31, 2022 Abandoned
Array ( [id] => 18065506 [patent_doc_number] => 20220396593 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-15 [patent_title] => SYNTHESIS AND CHARACTERIZATION OF VANADIUM COMPLEXES [patent_app_type] => utility [patent_app_number] => 17/829824 [patent_app_country] => US [patent_app_date] => 2022-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21688 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17829824 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/829824
SYNTHESIS AND CHARACTERIZATION OF VANADIUM COMPLEXES May 31, 2022 Abandoned
Array ( [id] => 19345105 [patent_doc_number] => 20240254068 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => Branched Technologies [patent_app_type] => utility [patent_app_number] => 18/562959 [patent_app_country] => US [patent_app_date] => 2022-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 31745 [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] => 18562959 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/562959
Branched Technologies May 28, 2022 Pending
Array ( [id] => 17866915 [patent_doc_number] => 20220289650 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-15 [patent_title] => Branched Technologies [patent_app_type] => utility [patent_app_number] => 17/827754 [patent_app_country] => US [patent_app_date] => 2022-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 30278 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17827754 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/827754
Branched Technologies May 28, 2022 Pending
Array ( [id] => 18932208 [patent_doc_number] => 11884614 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-30 [patent_title] => Normal alpha olefin synthesis using decarbonylative olefination [patent_app_type] => utility [patent_app_number] => 17/824960 [patent_app_country] => US [patent_app_date] => 2022-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 8307 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17824960 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/824960
Normal alpha olefin synthesis using decarbonylative olefination May 25, 2022 Issued
Array ( [id] => 18134695 [patent_doc_number] => 11560348 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-24 [patent_title] => Process for the hydroformylation of olefins using a cobalt pre-catalyst [patent_app_type] => utility [patent_app_number] => 17/824672 [patent_app_country] => US [patent_app_date] => 2022-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 558 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17824672 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/824672
Process for the hydroformylation of olefins using a cobalt pre-catalyst May 24, 2022 Issued
Array ( [id] => 20451821 [patent_doc_number] => 12514864 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-06 [patent_title] => Compositions and methods for oral administration of cannabinoids [patent_app_type] => utility [patent_app_number] => 17/751409 [patent_app_country] => US [patent_app_date] => 2022-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13616 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17751409 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/751409
Compositions and methods for oral administration of cannabinoids May 22, 2022 Issued
Array ( [id] => 18635155 [patent_doc_number] => 11759727 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-09-19 [patent_title] => Aqueous extraction of propionitrile from chloropicrin [patent_app_type] => utility [patent_app_number] => 17/744236 [patent_app_country] => US [patent_app_date] => 2022-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3625 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17744236 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/744236
Aqueous extraction of propionitrile from chloropicrin May 12, 2022 Issued
Array ( [id] => 18302014 [patent_doc_number] => 11623905 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-11 [patent_title] => Isolation and crystallization of cannabinoids without distillation or evaporation of solvents [patent_app_type] => utility [patent_app_number] => 17/740766 [patent_app_country] => US [patent_app_date] => 2022-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3269 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17740766 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/740766
Isolation and crystallization of cannabinoids without distillation or evaporation of solvents May 9, 2022 Issued
Array ( [id] => 18268099 [patent_doc_number] => 20230089341 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-23 [patent_title] => THERMOLYTIC FRAGMENTATION OF SUGARS USING RESISTANCE HEATING [patent_app_type] => utility [patent_app_number] => 17/739507 [patent_app_country] => US [patent_app_date] => 2022-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8662 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -39 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17739507 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/739507
Thermolytic fragmentation of sugars using resistance heating May 8, 2022 Issued
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