C08G 81/022
Containing sequences of polymers of conjugated dienes and of polymers of alkenyl
Official title: {containing sequences of polymers of conjugated dienes and of polymers of alkenyl aromatic compounds}
C08G81/022 (Containing sequences of polymers of conjugated dienes and of polymers of alkenyl) appears on 142 US grants and 56 published applications in this corpus.
Search patents in C08G- Granted patents
- 142
- Published applications
- 56
- Assignees
- 71
- Inventors
- 259
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 14 | 0 |
| 1979 | 11 | 0 |
| 1980 | 7 | 0 |
| 1981 | 8 | 0 |
| 1982 | 4 | 0 |
| 1983 | 12 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 5 |
| 2014 | 2 | 3 |
| 2015 | 2 | 3 |
| 2016 | 3 | 2 |
| 2017 | 4 | 5 |
| 2018 | 0 | 14 |
| 2019 | 4 | 2 |
| 2020 | 5 | 4 |
| 2021 | 5 | 3 |
| 2022 | 0 | 3 |
| 2023 | 1 | 2 |
| 2024 | 0 | 1 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Conjugated diene graft polymer and method for producing the same9 Sep 2025US 12,410,264 B2Kuraray Co., Ltd.
- Prepolymerized resin, preparation method thereof, resin composition comprising the same, and article made therefrom9 May 2023US 11,643,507 B2Elite Material Co., Ltd.
- Coated proppants and methods of making and use thereof7 Dec 2021US 11,193,056 B2Saudi Arabian Oil Company
- Thermoplastic graft elastomers via reactive compatibilization of polyacrylated epoxidized high oleic soybean oil and polydiene-containing copolymers23 May 2024US 2024/0166792 A1
- Sulfur-crosslinkable rubber composition comprising a graft copolymer14 Dec 2023US 2023/0399488 A1Continental Reifen Deutschland GmbH
- Modified conjugated diene-based polymer and method for preparing the same13 Apr 2023US 2023/0116111 A1LG Chem.Ltd.
- Conjugated diene graft polymer and method for producing the same15 Sep 2022US 2022/0289872 A1Kuraray Co., Ltd.
- Thermoplastic Elastomer Composition, Joint Member, and Method for Producing the Same9 Jun 2022US 2022/0177654 A1MCPP Innovation LLC
Most cited
By later US patents
- 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
- Block copolymer composition82US 5,075,377 ANippon Zeon Co., Ltd. · 1991