Search

Fred M Teskin

Examiner (ID: 2301, Phone: (571)272-1116 , Office: P/1762 )

Most Active Art Unit
1762
Art Unit(s)
1505, 1762, 1713, 2899, 1796
Total Applications
3742
Issued Applications
3158
Pending Applications
143
Abandoned Applications
471

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20287529 [patent_doc_number] => 20250312772 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-09 [patent_title] => Methods for Making Supported Chromium Catalysts with Increased Polymerization Activity [patent_app_type] => utility [patent_app_number] => 19/243824 [patent_app_country] => US [patent_app_date] => 2025-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12434 [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] => 19243824 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/243824
Methods for Making Supported Chromium Catalysts with Increased Polymerization Activity Jun 19, 2025 Pending
Array ( [id] => 20100644 [patent_doc_number] => 20250230580 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-17 [patent_title] => HIGH-VISCOSITY PTT POLYMERIZATION REACTOR AND METHOD FOR PREPARING DIRECT MELT-SPUN HIGH-VISCOSITY PTT/LOW-VISCOSITY PET TWO-COMPONENT ELASTIC FIBER [patent_app_type] => utility [patent_app_number] => 18/970382 [patent_app_country] => US [patent_app_date] => 2024-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7339 [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] => 18970382 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/970382
High-viscosity PTT polymerization reactor and method for preparing direct melt-spun high-viscosity PTT/low-viscosity pet two-component elastic fiber Dec 4, 2024 Issued
Array ( [id] => 20059834 [patent_doc_number] => 20250198056 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => MELT-SPUN HIGH-VISCOSITY PET/LOW-VISCOSITY PET TWO-COMPONENT ELASTIC FIBER AND PREPARATION METHOD THEREFOR [patent_app_type] => utility [patent_app_number] => 18/956716 [patent_app_country] => US [patent_app_date] => 2024-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6901 [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] => 18956716 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/956716
Melt-spun high-viscosity pet/low-viscosity pet two-component elastic fiber and preparation method therefor Nov 21, 2024 Issued
Array ( [id] => 20241022 [patent_doc_number] => 12421331 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Systems and methods for chromium catalyst activation [patent_app_type] => utility [patent_app_number] => 18/939676 [patent_app_country] => US [patent_app_date] => 2024-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 18046 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18939676 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/939676
Systems and methods for chromium catalyst activation Nov 6, 2024 Issued
Array ( [id] => 19613662 [patent_doc_number] => 20240399342 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => Methods for Making Supported Chromium Catalysts with Increased Polymerization Activity [patent_app_type] => utility [patent_app_number] => 18/800207 [patent_app_country] => US [patent_app_date] => 2024-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18189 [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] => 18800207 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/800207
Methods for making supported chromium catalysts with increased polymerization activity Aug 11, 2024 Issued
Array ( [id] => 19846822 [patent_doc_number] => 20250092173 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-20 [patent_title] => POLYOLEFIN POLYMER AND POLYOLEFIN POLYMERIZATION SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 18/780799 [patent_app_country] => US [patent_app_date] => 2024-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13407 [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] => 18780799 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/780799
Polyolefin polymer and polyolefin polymerization system and method Jul 22, 2024 Issued
Array ( [id] => 20302562 [patent_doc_number] => 12448540 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-21 [patent_title] => Fluorinated ether compound, fluorinated ether composition, coating liquid and article [patent_app_type] => utility [patent_app_number] => 18/761449 [patent_app_country] => US [patent_app_date] => 2024-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18945 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18761449 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/761449
Fluorinated ether compound, fluorinated ether composition, coating liquid and article Jul 1, 2024 Issued
Array ( [id] => 19505015 [patent_doc_number] => 12116426 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-10-15 [patent_title] => Processes for converting C4 feeds to isobutylene, polyisobutylene, or derivatives thereof [patent_app_type] => utility [patent_app_number] => 18/738432 [patent_app_country] => US [patent_app_date] => 2024-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 3 [patent_no_of_words] => 23165 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18738432 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/738432
Processes for converting C4 feeds to isobutylene, polyisobutylene, or derivatives thereof Jun 9, 2024 Issued
Array ( [id] => 19615046 [patent_doc_number] => 20240400726 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => NICKEL CATALYSTS WITH SINGLE ALKALI IONS FOR HOMOPOLYMERIZATION AND COPOLYMERIZATION [patent_app_type] => utility [patent_app_number] => 18/734299 [patent_app_country] => US [patent_app_date] => 2024-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 88796 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -35 [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] => 18734299 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/734299
NICKEL CATALYSTS WITH SINGLE ALKALI IONS FOR HOMOPOLYMERIZATION AND COPOLYMERIZATION Jun 4, 2024 Pending
Array ( [id] => 19969711 [patent_doc_number] => 12338303 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Process for making propylene-based terpolymer [patent_app_type] => utility [patent_app_number] => 18/659223 [patent_app_country] => US [patent_app_date] => 2024-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 6023 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18659223 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/659223
Process for making propylene-based terpolymer May 8, 2024 Issued
Array ( [id] => 19382179 [patent_doc_number] => 20240272049 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => REFRACTIVE INDEX MATCHING FORMULATIONS [patent_app_type] => utility [patent_app_number] => 18/636906 [patent_app_country] => US [patent_app_date] => 2024-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11287 [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] => 18636906 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/636906
REFRACTIVE INDEX MATCHING FORMULATIONS Apr 15, 2024 Pending
Array ( [id] => 19969720 [patent_doc_number] => 12338312 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Fluorinated polymerization catalysts and methods of making and using the same [patent_app_type] => utility [patent_app_number] => 18/615257 [patent_app_country] => US [patent_app_date] => 2024-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 57 [patent_no_of_words] => 12255 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18615257 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/615257
Fluorinated polymerization catalysts and methods of making and using the same Mar 24, 2024 Issued
Array ( [id] => 19264105 [patent_doc_number] => 20240207803 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => Loop Slurry Reactor Cooling Processes and Systems [patent_app_type] => utility [patent_app_number] => 18/598472 [patent_app_country] => US [patent_app_date] => 2024-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21660 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18598472 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/598472
Loop Slurry Reactor Cooling Processes and Systems Mar 6, 2024 Pending
Array ( [id] => 19112891 [patent_doc_number] => 20240124641 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => POLYCYLOOLEFINIC POLYMERS AND ANION EXCHANGE MEMBRANES DERIVED THEREFROM [patent_app_type] => utility [patent_app_number] => 18/534221 [patent_app_country] => US [patent_app_date] => 2023-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11718 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18534221 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/534221
Polycyloolefinic polymers and anion exchange membranes derived therefrom Dec 7, 2023 Issued
Array ( [id] => 19113259 [patent_doc_number] => 20240125009 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => Precursor Stabilisation Process [patent_app_type] => utility [patent_app_number] => 18/526857 [patent_app_country] => US [patent_app_date] => 2023-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 41728 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18526857 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/526857
Precursor stabilisation process Nov 30, 2023 Issued
Array ( [id] => 19777741 [patent_doc_number] => 12226762 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-18 [patent_title] => Antioxidant protection for ion exchange resins [patent_app_type] => utility [patent_app_number] => 18/507580 [patent_app_country] => US [patent_app_date] => 2023-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 14444 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18507580 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/507580
Antioxidant protection for ion exchange resins Nov 12, 2023 Issued
Array ( [id] => 19701553 [patent_doc_number] => 12195562 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Ethylene polymerization processes and reactor systems for the production of multimodal polymers using combinations of a loop reactor and a fluidized bed reactor [patent_app_type] => utility [patent_app_number] => 18/499276 [patent_app_country] => US [patent_app_date] => 2023-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 29213 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18499276 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/499276
Ethylene polymerization processes and reactor systems for the production of multimodal polymers using combinations of a loop reactor and a fluidized bed reactor Oct 31, 2023 Issued
Array ( [id] => 19947432 [patent_doc_number] => 12318770 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-03 [patent_title] => Ionic functionalization of aromatic polymers for ion exchange membranes [patent_app_type] => utility [patent_app_number] => 18/381149 [patent_app_country] => US [patent_app_date] => 2023-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 1248 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18381149 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/381149
Ionic functionalization of aromatic polymers for ion exchange membranes Oct 16, 2023 Issued
Array ( [id] => 19701579 [patent_doc_number] => 12195588 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Polyether derivatives, uses, and methods of making the same [patent_app_type] => utility [patent_app_number] => 18/488949 [patent_app_country] => US [patent_app_date] => 2023-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 15633 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18488949 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/488949
Polyether derivatives, uses, and methods of making the same Oct 16, 2023 Issued
Array ( [id] => 19210759 [patent_doc_number] => 11999807 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-04 [patent_title] => Particle size control of supported chromium catalysts in loop slurry polymerization reactors [patent_app_type] => utility [patent_app_number] => 18/463380 [patent_app_country] => US [patent_app_date] => 2023-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 29188 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18463380 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/463380
Particle size control of supported chromium catalysts in loop slurry polymerization reactors Sep 7, 2023 Issued
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