Search

Sergio Coffa

Examiner (ID: 19294, Phone: (571)270-3022 , Office: P/1675 )

Most Active Art Unit
1658
Art Unit(s)
1675, 1658, 1676, 1654
Total Applications
919
Issued Applications
448
Pending Applications
137
Abandoned Applications
354

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20023694 [patent_doc_number] => 20250161916 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => AMORPHOUS SILICA-ALUMINA AND METHODS OF PREPARING [patent_app_type] => utility [patent_app_number] => 18/514307 [patent_app_country] => US [patent_app_date] => 2023-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 689 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [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] => 18514307 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/514307
AMORPHOUS SILICA-ALUMINA AND METHODS OF PREPARING Nov 19, 2023 Pending
Array ( [id] => 19890375 [patent_doc_number] => 20250115687 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-10 [patent_title] => PRODUCTION METHOD FOR SOLID CATALYST COMPONENT FOR POLYMERIZING OLEFINS, AND CATALYST FOR POLYMERIZAING OLEFINS [patent_app_type] => utility [patent_app_number] => 18/482696 [patent_app_country] => US [patent_app_date] => 2023-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13132 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -33 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18482696 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/482696
PRODUCTION METHOD FOR SOLID CATALYST COMPONENT FOR POLYMERIZING OLEFINS, AND CATALYST FOR POLYMERIZAING OLEFINS Oct 5, 2023 Pending
Array ( [id] => 19433758 [patent_doc_number] => 20240302256 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => METHOD FOR DETERMINING COMPRESSIVE CHARACTER OF OLEFIN POLYMERISATION CATALYSTS [patent_app_type] => utility [patent_app_number] => 18/573795 [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] => 7268 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18573795 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/573795
METHOD FOR DETERMINING COMPRESSIVE CHARACTER OF OLEFIN POLYMERISATION CATALYSTS Jun 22, 2022 Pending
Array ( [id] => 19388340 [patent_doc_number] => 20240278210 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => PREPARATION METHOD OF SUPER ABSORBENT POLYMER AND SUPER ABSORBENT POLYMER [patent_app_type] => utility [patent_app_number] => 18/566083 [patent_app_country] => US [patent_app_date] => 2022-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13726 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18566083 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/566083
PREPARATION METHOD OF SUPER ABSORBENT POLYMER AND SUPER ABSORBENT POLYMER Jun 19, 2022 Pending
Array ( [id] => 19380714 [patent_doc_number] => 20240270584 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => ZEOLITE SYNTHESIS IN A CONTINUOUS FLOW REACTOR WITH A PULSATILE FLOW REGIME [patent_app_type] => utility [patent_app_number] => 18/569345 [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] => 18053 [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] => 18569345 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/569345
ZEOLITE SYNTHESIS IN A CONTINUOUS FLOW REACTOR WITH A PULSATILE FLOW REGIME Jun 13, 2022 Pending
Array ( [id] => 19187702 [patent_doc_number] => 20240166615 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => IMPROVED METHOD OF CARBONYLATING AN EPOXIDE [patent_app_type] => utility [patent_app_number] => 18/282915 [patent_app_country] => US [patent_app_date] => 2022-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4445 [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] => 18282915 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/282915
IMPROVED METHOD OF CARBONYLATING AN EPOXIDE Apr 3, 2022 Pending
Array ( [id] => 19140906 [patent_doc_number] => 20240139710 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => SORBENT POLYMER COMPOSITE ARTICLE FOR ADSORPTION [patent_app_type] => utility [patent_app_number] => 18/280398 [patent_app_country] => US [patent_app_date] => 2022-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9805 [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] => 18280398 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/280398
SORBENT POLYMER COMPOSITE ARTICLE FOR ADSORPTION Mar 6, 2022 Pending
Array ( [id] => 17134027 [patent_doc_number] => 11135567 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-10-05 [patent_title] => Microcrystalline cellulose particle supported sol-gel sorbents and methods of manufacturing the same [patent_app_type] => utility [patent_app_number] => 16/913222 [patent_app_country] => US [patent_app_date] => 2020-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 32 [patent_no_of_words] => 6096 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 16913222 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/913222
Microcrystalline cellulose particle supported sol-gel sorbents and methods of manufacturing the same Jun 25, 2020 Issued
Array ( [id] => 17222772 [patent_doc_number] => 11175267 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-16 [patent_title] => GC interface assembly [patent_app_type] => utility [patent_app_number] => 16/901784 [patent_app_country] => US [patent_app_date] => 2020-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 18 [patent_no_of_words] => 5494 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16901784 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/901784
GC interface assembly Jun 14, 2020 Issued
Array ( [id] => 16696551 [patent_doc_number] => 10947131 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-16 [patent_title] => Synergistic iron and clay-based green environmental media for nutrient removal [patent_app_type] => utility [patent_app_number] => 16/829844 [patent_app_country] => US [patent_app_date] => 2020-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 20 [patent_no_of_words] => 9636 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16829844 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/829844
Synergistic iron and clay-based green environmental media for nutrient removal Mar 24, 2020 Issued
Array ( [id] => 15896127 [patent_doc_number] => 20200147582 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-14 [patent_title] => Functionalized chromatographic materials and methods of making and using therefor [patent_app_type] => utility [patent_app_number] => 16/743857 [patent_app_country] => US [patent_app_date] => 2020-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17762 [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] => 16743857 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/743857
Functionalized chromatographic materials and methods of making and using therefor Jan 14, 2020 Issued
Array ( [id] => 16444878 [patent_doc_number] => 10836790 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-11-17 [patent_title] => Therapeutic protein compositions and methods [patent_app_type] => utility [patent_app_number] => 16/740286 [patent_app_country] => US [patent_app_date] => 2020-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3837 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [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] => 16740286 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/740286
Therapeutic protein compositions and methods Jan 9, 2020 Issued
Array ( [id] => 16406727 [patent_doc_number] => 10815270 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-10-27 [patent_title] => Compositions and methods for high efficiency protein precipitation [patent_app_type] => utility [patent_app_number] => 16/738932 [patent_app_country] => US [patent_app_date] => 2020-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3051 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16738932 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/738932
Compositions and methods for high efficiency protein precipitation Jan 8, 2020 Issued
Array ( [id] => 16548844 [patent_doc_number] => 10881983 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-01-05 [patent_title] => Method for extraction of ethyl maltol from passion flower [patent_app_type] => utility [patent_app_number] => 16/686767 [patent_app_country] => US [patent_app_date] => 2019-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 2192 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16686767 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/686767
Method for extraction of ethyl maltol from passion flower Nov 17, 2019 Issued
Array ( [id] => 15177841 [patent_doc_number] => 20190359512 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-28 [patent_title] => SYSTEM FOR REMOVING MINERALS FROM A BRINE [patent_app_type] => utility [patent_app_number] => 16/532109 [patent_app_country] => US [patent_app_date] => 2019-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10894 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16532109 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/532109
System for removing minerals from a brine Aug 4, 2019 Issued
Array ( [id] => 15025993 [patent_doc_number] => 20190324001 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-24 [patent_title] => CHROMATOGRAPHY COLUMNS, SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 16/459525 [patent_app_country] => US [patent_app_date] => 2019-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5368 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16459525 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/459525
Chromatography columns, systems and methods Jun 30, 2019 Issued
Array ( [id] => 14838829 [patent_doc_number] => 20190277815 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-12 [patent_title] => HIGH EFFICIENCY CONTINUOUS COUNTERCURRENT TANGENTIAL NEGATIVE CHROMATOGRAPHY [patent_app_type] => utility [patent_app_number] => 16/400316 [patent_app_country] => US [patent_app_date] => 2019-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7506 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16400316 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/400316
High efficiency continuous countercurrent tangential negative chromatography Apr 30, 2019 Issued
Array ( [id] => 14838831 [patent_doc_number] => 20190277816 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-12 [patent_title] => HIGH SURFACE AREA CHROMATOGRAPHIC DEVICE WITH LOW PRESSURE DROP [patent_app_type] => utility [patent_app_number] => 16/292610 [patent_app_country] => US [patent_app_date] => 2019-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7197 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16292610 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/292610
High surface area chromatographic device with low pressure drop Mar 4, 2019 Issued
Array ( [id] => 16548847 [patent_doc_number] => 10881986 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-01-05 [patent_title] => Liquid chromatography technique [patent_app_type] => utility [patent_app_number] => 16/282626 [patent_app_country] => US [patent_app_date] => 2019-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3740 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [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] => 16282626 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/282626
Liquid chromatography technique Feb 21, 2019 Issued
Array ( [id] => 14349981 [patent_doc_number] => 20190156963 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-23 [patent_title] => APPARATUS AND METHOD FOR SUPPLYING PULSE TO SOLVENT EXTRACTION COLUMN [patent_app_type] => utility [patent_app_number] => 16/260201 [patent_app_country] => US [patent_app_date] => 2019-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3325 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16260201 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/260201
APPARATUS AND METHOD FOR SUPPLYING PULSE TO SOLVENT EXTRACTION COLUMN Jan 28, 2019 Abandoned
Menu