C08G 81/021
Block or graft polymers containing only sequences of polymers of c08c or
Official title: {Block or graft polymers containing only sequences of polymers of C08C or C08F}
C08G81/021 (Block or graft polymers containing only sequences of polymers of c08c or) appears on 348 US grants and 191 published applications in this corpus.
Search patents in C08G- Granted patents
- 348
- Published applications
- 191
- Assignees
- 182
- Inventors
- 778
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 2 | 0 |
| 1978 | 21 | 0 |
| 1979 | 12 | 0 |
| 1980 | 7 | 0 |
| 1981 | 11 | 0 |
| 1982 | 5 | 0 |
| 1983 | 13 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 12 | 0 |
| 1994 | 15 | 0 |
| 1995 | 15 | 0 |
| 1996 | 10 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 9 | 0 |
| 2000 | 15 | 0 |
| 2001 | 10 | 4 |
| 2002 | 6 | 3 |
| 2003 | 4 | 8 |
| 2004 | 5 | 4 |
| 2005 | 4 | 8 |
| 2006 | 3 | 7 |
| 2007 | 3 | 2 |
| 2008 | 4 | 1 |
| 2009 | 3 | 3 |
| 2010 | 2 | 3 |
| 2011 | 2 | 4 |
| 2012 | 1 | 6 |
| 2013 | 3 | 9 |
| 2014 | 6 | 7 |
| 2015 | 7 | 8 |
| 2016 | 7 | 10 |
| 2017 | 9 | 24 |
| 2018 | 7 | 22 |
| 2019 | 14 | 7 |
| 2020 | 13 | 12 |
| 2021 | 13 | 8 |
| 2022 | 4 | 6 |
| 2023 | 1 | 8 |
| 2024 | 2 | 9 |
| 2025 | 7 | 5 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Block polymer, thermoplastic resin composition and molded article24 Mar 2026US 12,583,977 B2Sanyo Chemical Industries, Ltd.
- Modified conjugated diene-based polymer and method for preparing the same3 Mar 2026US 12,565,556 B2LG Chem.Ltd.
- Thermoplastic elastomer composition, joint member, and method for producing the same23 Dec 2025US 12,503,557 B2MCPP Innovation LLC
- Polyacrylate-based graft copolymer25 Nov 2025US 12,479,946 B2Sabic Global Technologies B.V.
- Conjugated diene graft polymer and method for producing the same9 Sep 2025US 12,410,264 B2Kuraray Co., Ltd.
- Polyol-b-polyoxazoline copolymers6 Aug 2026US 2026/0224611 A1Freie UniversitäT Berlin
- Compatibilization of polymer blends by mixed-graft block copolymers2 Jul 2026US 2026/0184856 A1Yale University
- Preparation and application methods for carbosilane based polymer soil conditioner capable of enhancing stress resistance of crops12 Mar 2026US 2026/0071123 A1Shihezi University
- Particles used for formation of pickering emulsion or like11 Dec 2025US 2025/0376550 A1Kirin Holdings Kabushiki Kaisha
- Method for producing modified polymers and rubber compositions using the same28 Aug 2025US 2025/0270362 A1The Goodyear Tire & Rubber Company
Most cited
By later US patents
- Para-alkylstyrene/isoolefin copolymers and functionalized copolymers thereof188US 5,162,445 AExxon Chemical Patents Inc. · 1992
- Star polymers and process for the preparation thereof172US 3,985,830 AThe University of Akron · 1976
- Asymmetric block copolymers and corresponding adhesive formulations125US 4,391,949 AShell Oil Company · 1983
- Assymetric block copolymers and corresponding adhesive formulations110US 4,444,953 AShell Oil Company · 1984
- High vinyl polybutadiene or styrene-butadiene copolymer93US 4,397,994 AJapan Synthetic Rubber Co., Ltd. · 1983