Search

John A. Voytek

Examiner (ID: 11598, Phone: (571)270-3757 , Office: P/2922 )

Most Active Art Unit
2916
Art Unit(s)
2962, 2916, 2922
Total Applications
2706
Issued Applications
2677
Pending Applications
9
Abandoned Applications
33

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 13194571 [patent_doc_number] => 10112191 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-10-30 [patent_title] => Method for cracking butene [patent_app_type] => utility [patent_app_number] => 15/996460 [patent_app_country] => US [patent_app_date] => 2018-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 10410 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15996460 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/996460
Method for cracking butene Jun 1, 2018 Issued
Array ( [id] => 13194569 [patent_doc_number] => 10112190 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-10-30 [patent_title] => Fluidized-bed cracking of butene to form propylene and ethylene [patent_app_type] => utility [patent_app_number] => 15/996458 [patent_app_country] => US [patent_app_date] => 2018-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 10425 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15996458 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/996458
Fluidized-bed cracking of butene to form propylene and ethylene Jun 1, 2018 Issued
Array ( [id] => 13748543 [patent_doc_number] => 10167201 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-01-01 [patent_title] => High meso-surface area, low Si/Al ratio pentasil zeolite [patent_app_type] => utility [patent_app_number] => 15/996310 [patent_app_country] => US [patent_app_date] => 2018-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8129 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 317 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15996310 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/996310
High meso-surface area, low Si/Al ratio pentasil zeolite May 31, 2018 Issued
Array ( [id] => 15681031 [patent_doc_number] => 20200095179 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-26 [patent_title] => OXIDATION OF ALKANE TO ALKENE [patent_app_type] => utility [patent_app_number] => 16/616615 [patent_app_country] => US [patent_app_date] => 2018-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18784 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 16616615 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/616615
Oxidation of alkane to alkene May 24, 2018 Issued
Array ( [id] => 16816736 [patent_doc_number] => 11001542 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-05-11 [patent_title] => Integration of oxidative coupling of methane processes [patent_app_type] => utility [patent_app_number] => 15/987068 [patent_app_country] => US [patent_app_date] => 2018-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 28 [patent_no_of_words] => 30108 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15987068 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/987068
Integration of oxidative coupling of methane processes May 22, 2018 Issued
Array ( [id] => 14948165 [patent_doc_number] => 10435339 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-10-08 [patent_title] => FCC feed additive for propylene/butylene maximization [patent_app_type] => utility [patent_app_number] => 15/976296 [patent_app_country] => US [patent_app_date] => 2018-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1317 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15976296 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/976296
FCC feed additive for propylene/butylene maximization May 9, 2018 Issued
Array ( [id] => 15525427 [patent_doc_number] => 20200055019 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-20 [patent_title] => ZEOLITE-CONTAINING ADSORBENT FOR SELECTIVE SEPARATION OF ISOMERS FROM AROMATIC HYDROCARBON MIXTURES, AND PRODUCTION AND USE OF SAME [patent_app_type] => utility [patent_app_number] => 16/609808 [patent_app_country] => US [patent_app_date] => 2018-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6161 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16609808 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/609808
ZEOLITE-CONTAINING ADSORBENT FOR SELECTIVE SEPARATION OF ISOMERS FROM AROMATIC HYDROCARBON MIXTURES, AND PRODUCTION AND USE OF SAME May 3, 2018 Abandoned
Array ( [id] => 17526003 [patent_doc_number] => 11298671 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-12 [patent_title] => Bulk catalyst withdrawal system and methods for the use thereof [patent_app_type] => utility [patent_app_number] => 16/609905 [patent_app_country] => US [patent_app_date] => 2018-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 14565 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 272 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16609905 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/609905
Bulk catalyst withdrawal system and methods for the use thereof May 2, 2018 Issued
Array ( [id] => 16413568 [patent_doc_number] => 10821432 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-11-03 [patent_title] => Olefin production method comprising reduction pretreatment [patent_app_type] => utility [patent_app_number] => 16/468204 [patent_app_country] => US [patent_app_date] => 2018-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 5681 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16468204 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/468204
Olefin production method comprising reduction pretreatment Apr 30, 2018 Issued
Array ( [id] => 16376242 [patent_doc_number] => 20200325084 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-15 [patent_title] => Olefin Oligomerization Processes and Related Zeolites and Structure Directing Agents [patent_app_type] => utility [patent_app_number] => 16/613367 [patent_app_country] => US [patent_app_date] => 2018-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5967 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 6 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16613367 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/613367
Olefin oligomerization processes and related zeolites and structure directing agents Apr 29, 2018 Issued
Array ( [id] => 16605860 [patent_doc_number] => 10906852 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-02 [patent_title] => Removal of alkyne impurities from diolefin containing mixtures through cracking over CuO/Al2O3 based materials [patent_app_type] => utility [patent_app_number] => 16/500573 [patent_app_country] => US [patent_app_date] => 2018-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 6575 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16500573 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/500573
Removal of alkyne impurities from diolefin containing mixtures through cracking over CuO/Al2O3 based materials Apr 25, 2018 Issued
Array ( [id] => 15865901 [patent_doc_number] => 20200140354 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-07 [patent_title] => PROCESS FOR THE CONVERSION OF METHANOL TO P-XYLENE [patent_app_type] => utility [patent_app_number] => 16/607532 [patent_app_country] => US [patent_app_date] => 2018-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16907 [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] => 16607532 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/607532
PROCESS FOR THE CONVERSION OF METHANOL TO P-XYLENE Apr 23, 2018 Abandoned
Array ( [id] => 16792871 [patent_doc_number] => 20210122688 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-29 [patent_title] => Integrated Aromatics Formation and Methylation [patent_app_type] => utility [patent_app_number] => 16/605387 [patent_app_country] => US [patent_app_date] => 2018-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17017 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 362 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16605387 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/605387
Integrated aromatics formation and methylation Apr 18, 2018 Issued
Array ( [id] => 17207683 [patent_doc_number] => 11168042 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-09 [patent_title] => Systems and methods for isoprene purification [patent_app_type] => utility [patent_app_number] => 16/604278 [patent_app_country] => US [patent_app_date] => 2018-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2986 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16604278 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/604278
Systems and methods for isoprene purification Apr 11, 2018 Issued
Array ( [id] => 15344991 [patent_doc_number] => 20200010387 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-09 [patent_title] => SIMPLIFIED PROCESS FOR ISOLATING PURE 1,3-BUTADIENE [patent_app_type] => utility [patent_app_number] => 16/493185 [patent_app_country] => US [patent_app_date] => 2018-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6953 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16493185 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/493185
Simplified process for isolating pure 1,3-butadiene Mar 11, 2018 Issued
Array ( [id] => 13413619 [patent_doc_number] => 20180258352 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-13 [patent_title] => PROCESS FOR THE AROMATIZATION OF DILUTE ETHYLENE [patent_app_type] => utility [patent_app_number] => 15/913503 [patent_app_country] => US [patent_app_date] => 2018-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3533 [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] => 15913503 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/913503
Process for the aromatization of dilute ethylene Mar 5, 2018 Issued
Array ( [id] => 16824101 [patent_doc_number] => 20210139394 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-13 [patent_title] => A PROCESS FOR THE DEHYDROGENATION OF ALKANES TO ALKENES AND IRON-BASED CATALYSTS FOR USE IN THE PROCESS [patent_app_type] => utility [patent_app_number] => 16/492281 [patent_app_country] => US [patent_app_date] => 2018-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3634 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16492281 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/492281
A PROCESS FOR THE DEHYDROGENATION OF ALKANES TO ALKENES AND IRON-BASED CATALYSTS FOR USE IN THE PROCESS Mar 1, 2018 Abandoned
Array ( [id] => 12885748 [patent_doc_number] => 20180187091 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-05 [patent_title] => ZEOLITIC CATALYTIC CONVERSION OF ALCOHOLS TO HYDROCARBONS [patent_app_type] => utility [patent_app_number] => 15/908944 [patent_app_country] => US [patent_app_date] => 2018-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7417 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [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] => 15908944 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/908944
Zeolitic catalytic conversion of alcohols to hydrocarbons Feb 28, 2018 Issued
Array ( [id] => 16704256 [patent_doc_number] => 10954175 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-23 [patent_title] => Process and plant for producing olefins [patent_app_type] => utility [patent_app_number] => 16/488355 [patent_app_country] => US [patent_app_date] => 2018-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4850 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16488355 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/488355
Process and plant for producing olefins Feb 22, 2018 Issued
Array ( [id] => 15323843 [patent_doc_number] => 20200002251 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-02 [patent_title] => GAS CLEAN-UP FOR ALKANE OXIDATIVE DEHYDROGENATION EFFLUENT [patent_app_type] => utility [patent_app_number] => 16/486535 [patent_app_country] => US [patent_app_date] => 2018-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8246 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16486535 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/486535
Gas clean-up for alkane oxidative dehydrogenation effluent Feb 19, 2018 Issued
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