C08G 2261/40
Polymerisation processes
C08G2261/40 (Polymerisation processes) appears on 1,430 US grants and 2,076 published applications in this corpus.
Search patents in C08G- Granted patents
- 1,430
- Published applications
- 2,076
- Assignees
- 591
- Inventors
- 3,626
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 6 |
| 2004 | 2 | 6 |
| 2005 | 2 | 8 |
| 2006 | 6 | 6 |
| 2007 | 3 | 8 |
| 2008 | 1 | 10 |
| 2009 | 7 | 25 |
| 2010 | 10 | 52 |
| 2011 | 18 | 92 |
| 2012 | 42 | 105 |
| 2013 | 61 | 114 |
| 2014 | 80 | 137 |
| 2015 | 105 | 152 |
| 2016 | 115 | 143 |
| 2017 | 125 | 161 |
| 2018 | 130 | 149 |
| 2019 | 129 | 131 |
| 2020 | 110 | 138 |
| 2021 | 93 | 146 |
| 2022 | 92 | 125 |
| 2023 | 87 | 124 |
| 2024 | 97 | 108 |
| 2025 | 70 | 75 |
| 2026 | 36 | 53 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C08G 2261/41Organometallic coupling reactionsIndexing code1,126
- C08G 2261/43Chemical oxidative coupling reactionsIndexing code115
- C08G 2261/45Friedel-crafts-typeIndexing code58
- C08G 2261/44Electrochemical polymerisation, i.e. oxidative or reductive couplingIndexing code54
- C08G 2261/46Diels-alder reactionsIndexing code41
- C08G 2261/42Non-organometallic coupling reactionsIndexing code39
Recent patents
- Block copolymer, production method therefor, polymeric electrolyte material, polymeric electrolyte molded article, polymeric electrolyte film, electrolyte film equipped with catalyst layer, membrane electrode composite, solid polymer fuel cell, and water electrolysis type hydrogen generating device25 Aug 2026US 12,715,962 B2Toray Industries, Inc.
- Anion exchange polymers and membranes for electrolysis25 Aug 2026US 12,715,968 B2Uop LLC
- Fluorine-containing compound having sulfonic acid group and polymer electrolyte fuel cell25 Aug 2026US 12,719,070 B2Nissan Chemical Corporation
- Aromatic thermoset resins18 Aug 2026US 12,709,659 B2ExxonMobil Technology and Engineering Company
- Oxidized polyethylene compounds and methods of making the same18 Aug 2026US 12,709,680 B2The Regents of the University of California
- Process for producing functionalized polythiophenes8 Oct 2026US 2026/0308308 A1
- Method for producing aliphatic polyester, aliphatic polyester resin, and aliphatic polyester resin composition8 Oct 2026US 2026/0308312 A1Teijin Limited
- One-step method for manufacturing an ink comprising an n-type conducting polymer8 Oct 2026US 2026/0308395 A1Westra Materials AB
- Improving the mechanical integrity of polysulfonic acids1 Oct 2026US 2026/0297234 A1
- Processes for producing cyclic olefins from polymers and re-polymerization thereof24 Sep 2026US 2026/0286085 A1
Most cited
By later US patents
- Optical waveguide film, laminated type optical waveguide film, optical waveguide, optical waveguide assembly, optical wiring line, optical/electrical combination substrate and electronic device224US 8,705,925 B2Sumitomo Bakelite Co., Ltd. · 2014
- Acetoacetate functionalized polymers and monomers useful for crosslinking formulations151US 4,408,018 ARohm and Haas Company · 1983
- Polyarylether ketone imide adhesives118US 10,011,685 B2The Boeing Company · 2018
- Polyarylether ketone imide sulfone adhesives118US 9,976,063 B2The Boeing Company · 2018
- Switchable window based on electrochromic polymers92US 7,256,923 B2University of Washington · 2007