C08L 25/08
Copolymers of styrene
Official title: Copolymers of styrene (C08L29/08, C08L35/06, C08L55/02 take precedence)
C08L25/08 (Copolymers of styrene) appears on 1,967 US grants and 1,947 published applications in this corpus.
Search patents in C08L- Granted patents
- 1,967
- Published applications
- 1,947
- Assignees
- 752
- Inventors
- 5,017
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 22 | 0 |
| 1977 | 11 | 0 |
| 1978 | 17 | 0 |
| 1979 | 15 | 0 |
| 1980 | 16 | 0 |
| 1981 | 21 | 0 |
| 1982 | 16 | 0 |
| 1983 | 16 | 0 |
| 1984 | 22 | 0 |
| 1985 | 20 | 0 |
| 1986 | 28 | 0 |
| 1987 | 18 | 0 |
| 1988 | 23 | 0 |
| 1989 | 25 | 0 |
| 1990 | 22 | 0 |
| 1991 | 17 | 0 |
| 1992 | 20 | 0 |
| 1993 | 28 | 0 |
| 1994 | 35 | 0 |
| 1995 | 24 | 0 |
| 1996 | 21 | 0 |
| 1997 | 22 | 0 |
| 1998 | 41 | 0 |
| 1999 | 31 | 0 |
| 2000 | 38 | 0 |
| 2001 | 42 | 7 |
| 2002 | 30 | 47 |
| 2003 | 34 | 36 |
| 2004 | 38 | 64 |
| 2005 | 22 | 44 |
| 2006 | 26 | 59 |
| 2007 | 28 | 57 |
| 2008 | 17 | 55 |
| 2009 | 14 | 62 |
| 2010 | 35 | 78 |
| 2011 | 54 | 57 |
| 2012 | 45 | 70 |
| 2013 | 61 | 62 |
| 2014 | 52 | 58 |
| 2015 | 51 | 64 |
| 2016 | 53 | 92 |
| 2017 | 88 | 81 |
| 2018 | 53 | 119 |
| 2019 | 82 | 114 |
| 2020 | 113 | 155 |
| 2021 | 76 | 156 |
| 2022 | 98 | 123 |
| 2023 | 96 | 97 |
| 2024 | 78 | 86 |
| 2025 | 80 | 55 |
| 2026 | 32 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Curable compositions29 Sep 2026US 12,747,343 B2AGC Multi Material America, Inc.
- Process for the production of biodegradable superabsorbent polymer with high absorbency under load based on styrene maleic acid copolymers and biopolymer15 Sep 2026US 12,734,270 B2Polygreen Ltd
- Composite resin composition for automobile interior materials and automobile interior material manufactured using the same11 Aug 2026US 12,703,792 B2LG Chem.Ltd.
- Process for producing a thermoplastic moulding compound comprising a thermoplastic copolymer A and a graft copolymer B4 Aug 2026US 12,698,351 B2Ineos Styrolution Group GmbH
- Thermoplastic resin composition for refrigerant transportation hose and refrigerant transportation hose28 Jul 2026US 12,692,391 B2The Yokohama Rubber Co., Ltd.
- Elastic sulfonated styrene diene block copolymers8 Oct 2026US 2026/0308343 A1Rensselaer Polytechnic Institute
- Strain tolerant recycled asphalt pavement composition1 Oct 2026US 2026/0296972 A1ArrMaz Products Inc.
- Toner1 Oct 2026US 2026/0299449 A1Canon Kabushiki Kaisha
- Composite resin particles, foamable particles, foamed particles, molded foam, and production method for composite resin particles24 Sep 2026US 2026/0286080 A1Sekisui Kasei Co., Ltd.
- Aqueous polymer latex of film-forming copolymers suitable as binder in waterborne coating compositions17 Sep 2026US 2026/0275014 A1Base SE
Most cited
By later US patents
- Joint320US 6,332,733 B1Hamberger Industriewerke GmbH · 2001
- Aqueous compositions145US 6,299,936 B1BASF SE · 2001
- Heat-resistant resin composition135US 4,994,515 AShowa Denko K. K. · 1991
- Polymer mixture having aromatic polycarbonate, styrene I containing copolymer and/or graft polymer and a flame-retardant, articles formed therefrom120US 5,204,394 AGeneral Electric Company · 1993
- Fibrillated polymer compositions and methods of their manufacture118US 10,400,080 B2Sabic Global Technologies B.V. · 2019