Search

David P Porta

Supervisory Patent Examiner (ID: 12383, Phone: (571)272-2444 , Office: P/2884 )

Most Active Art Unit
2506
Art Unit(s)
2884, 2899, 2878, 2882, 3621, 2876, 2506
Total Applications
1617
Issued Applications
1310
Pending Applications
166
Abandoned Applications
141

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16831280 [patent_doc_number] => 11007511 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-05-18 [patent_title] => Methods for the synthesis of tunable mesoporous zeolites [patent_app_type] => utility [patent_app_number] => 15/974154 [patent_app_country] => US [patent_app_date] => 2018-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 12 [patent_no_of_words] => 8035 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15974154 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/974154
Methods for the synthesis of tunable mesoporous zeolites May 7, 2018 Issued
Array ( [id] => 16755699 [patent_doc_number] => 10974231 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-04-13 [patent_title] => Hierarchical EU-2 type zeolite having both micropores and mesopores, and preparation method therefor [patent_app_type] => utility [patent_app_number] => 16/608997 [patent_app_country] => US [patent_app_date] => 2018-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6080 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16608997 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/608997
Hierarchical EU-2 type zeolite having both micropores and mesopores, and preparation method therefor Apr 29, 2018 Issued
Array ( [id] => 14731127 [patent_doc_number] => 10384950 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-08-20 [patent_title] => Synthesis of molecular sieve SSZ-35 [patent_app_type] => utility [patent_app_number] => 15/956963 [patent_app_country] => US [patent_app_date] => 2018-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2730 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15956963 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/956963
Synthesis of molecular sieve SSZ-35 Apr 18, 2018 Issued
Array ( [id] => 13521731 [patent_doc_number] => 20180312408 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-01 [patent_title] => MOLECULAR SIEVE SSZ-109, ITS SYNTHESIS AND USE [patent_app_type] => utility [patent_app_number] => 15/951255 [patent_app_country] => US [patent_app_date] => 2018-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4397 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15951255 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/951255
Molecular sieve SSZ-109, its synthesis and use Apr 11, 2018 Issued
Array ( [id] => 14731125 [patent_doc_number] => 10384949 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-08-20 [patent_title] => Synthesis of molecular sieve SSZ-43 [patent_app_type] => utility [patent_app_number] => 15/950232 [patent_app_country] => US [patent_app_date] => 2018-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3327 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15950232 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/950232
Synthesis of molecular sieve SSZ-43 Apr 10, 2018 Issued
Array ( [id] => 16908860 [patent_doc_number] => 11040884 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-22 [patent_title] => Process for continuously synthesizing zeolite crystals [patent_app_type] => utility [patent_app_number] => 16/493172 [patent_app_country] => US [patent_app_date] => 2018-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 6438 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16493172 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/493172
Process for continuously synthesizing zeolite crystals Mar 11, 2018 Issued
Array ( [id] => 17104227 [patent_doc_number] => 11124421 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-09-21 [patent_title] => Process for the synthesis, with multiple seeding, of zeolite crystals having a controlled particle size [patent_app_type] => utility [patent_app_number] => 16/493593 [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] => 4586 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16493593 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/493593
Process for the synthesis, with multiple seeding, of zeolite crystals having a controlled particle size Mar 11, 2018 Issued
Array ( [id] => 16476061 [patent_doc_number] => 10850988 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-12-01 [patent_title] => Process for synthesizing zeolite crystals with seeding agent [patent_app_type] => utility [patent_app_number] => 16/493583 [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] => 3419 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16493583 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/493583
Process for synthesizing zeolite crystals with seeding agent Mar 11, 2018 Issued
Array ( [id] => 16681007 [patent_doc_number] => 10940466 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-09 [patent_title] => AEI zeolite synthesis [patent_app_type] => utility [patent_app_number] => 15/916933 [patent_app_country] => US [patent_app_date] => 2018-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 9522 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15916933 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/916933
AEI zeolite synthesis Mar 8, 2018 Issued
Array ( [id] => 14820645 [patent_doc_number] => 10407314 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-10 [patent_title] => Chabazite-type zeolite and method of manufacturing chabazite-type zeolite [patent_app_type] => utility [patent_app_number] => 15/899958 [patent_app_country] => US [patent_app_date] => 2018-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 12908 [patent_no_of_claims] => 5 [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] => 15899958 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/899958
Chabazite-type zeolite and method of manufacturing chabazite-type zeolite Feb 19, 2018 Issued
Array ( [id] => 14820643 [patent_doc_number] => 10407313 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-10 [patent_title] => Synthesis of aluminosilicate zeolites having the offretite structure [patent_app_type] => utility [patent_app_number] => 15/895207 [patent_app_country] => US [patent_app_date] => 2018-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2488 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15895207 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/895207
Synthesis of aluminosilicate zeolites having the offretite structure Feb 12, 2018 Issued
Array ( [id] => 15253825 [patent_doc_number] => 20190375646 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-12 [patent_title] => Magnesium Modified Y-Type Molecular Sieve, Preparation Thereof and Catalyst Comprising the Same [patent_app_type] => utility [patent_app_number] => 16/484880 [patent_app_country] => US [patent_app_date] => 2018-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16326 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16484880 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/484880
Magnesium modified Y-type molecular sieve, preparation thereof and catalyst comprising the same Feb 11, 2018 Issued
Array ( [id] => 16940165 [patent_doc_number] => 11052381 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-07-06 [patent_title] => Modified Y-type molecular sieve, preparation thereof and catalyst comprising the same [patent_app_type] => utility [patent_app_number] => 16/484063 [patent_app_country] => US [patent_app_date] => 2018-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 22002 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16484063 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/484063
Modified Y-type molecular sieve, preparation thereof and catalyst comprising the same Feb 11, 2018 Issued
Array ( [id] => 12807907 [patent_doc_number] => 20180161139 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-14 [patent_title] => REMOVAL OF OCCLUDED ALKALI METAL CATIONS FROM MSE-FRAMEWORK TYPE MOLECULAR SIEVES [patent_app_type] => utility [patent_app_number] => 15/882353 [patent_app_country] => US [patent_app_date] => 2018-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8745 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15882353 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/882353
Removal of occluded alkali metal cations from MSE-framework type molecular sieves Jan 28, 2018 Issued
Array ( [id] => 14169971 [patent_doc_number] => 10258973 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-04-16 [patent_title] => Low phosphorus chabazites [patent_app_type] => utility [patent_app_number] => 15/881845 [patent_app_country] => US [patent_app_date] => 2018-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 6652 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 15881845 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/881845
Low phosphorus chabazites Jan 28, 2018 Issued
Array ( [id] => 14169973 [patent_doc_number] => 10258974 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-04-16 [patent_title] => SAPO-11 molecular sieve, preparation method thereof, and use thereof in hydrocarbon isomerization [patent_app_type] => utility [patent_app_number] => 15/882718 [patent_app_country] => US [patent_app_date] => 2018-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3510 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15882718 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/882718
SAPO-11 molecular sieve, preparation method thereof, and use thereof in hydrocarbon isomerization Jan 28, 2018 Issued
Array ( [id] => 15267079 [patent_doc_number] => 20190382273 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-19 [patent_title] => ALUMINOSILICATE NANORODS [patent_app_type] => utility [patent_app_number] => 16/479387 [patent_app_country] => US [patent_app_date] => 2018-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6567 [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] => 16479387 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/479387
Aluminosilicate nanorods Jan 18, 2018 Issued
Array ( [id] => 12706351 [patent_doc_number] => 20180127283 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-10 [patent_title] => ZEOLITE SSZ-52x [patent_app_type] => utility [patent_app_number] => 15/866808 [patent_app_country] => US [patent_app_date] => 2018-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7153 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15866808 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/866808
Zeolite SSZ-52x Jan 9, 2018 Issued
Array ( [id] => 14532519 [patent_doc_number] => 20190201880 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-04 [patent_title] => Aluminosilicate Zeolite UZM-50 [patent_app_type] => utility [patent_app_number] => 15/857184 [patent_app_country] => US [patent_app_date] => 2017-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15298 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15857184 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/857184
Aluminosilicate zeolite UZM-50 Dec 27, 2017 Issued
Array ( [id] => 16563498 [patent_doc_number] => 10888851 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-01-12 [patent_title] => Hydrocarbon conversion using UZM-50 [patent_app_type] => utility [patent_app_number] => 15/857458 [patent_app_country] => US [patent_app_date] => 2017-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 14991 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 516 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15857458 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/857458
Hydrocarbon conversion using UZM-50 Dec 27, 2017 Issued
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