C08C 19/02
Hydrogenation
C08C19/02 (Hydrogenation) appears on 465 US grants and 416 published applications in this corpus.
Search patents in C08C- Granted patents
- 465
- Published applications
- 416
- Assignees
- 159
- Inventors
- 947
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 9 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 11 | 0 |
| 1990 | 9 | 0 |
| 1991 | 19 | 0 |
| 1992 | 12 | 0 |
| 1993 | 16 | 0 |
| 1994 | 13 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 10 | 0 |
| 1999 | 11 | 0 |
| 2000 | 9 | 0 |
| 2001 | 8 | 1 |
| 2002 | 8 | 9 |
| 2003 | 5 | 17 |
| 2004 | 18 | 22 |
| 2005 | 13 | 19 |
| 2006 | 12 | 13 |
| 2007 | 21 | 16 |
| 2008 | 5 | 12 |
| 2009 | 6 | 25 |
| 2010 | 13 | 20 |
| 2011 | 12 | 16 |
| 2012 | 9 | 19 |
| 2013 | 16 | 6 |
| 2014 | 6 | 10 |
| 2015 | 9 | 20 |
| 2016 | 10 | 12 |
| 2017 | 15 | 16 |
| 2018 | 8 | 21 |
| 2019 | 15 | 19 |
| 2020 | 11 | 17 |
| 2021 | 15 | 20 |
| 2022 | 13 | 24 |
| 2023 | 9 | 21 |
| 2024 | 13 | 23 |
| 2025 | 12 | 13 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High strength hydrogenated polymers, and rubber compositions incorporating same25 Aug 2026US 12,715,952 B2Bridgestone Corporation
- Hydrogenated copolymer, resin composition, molded article, and adhesive film2 Jun 2026US 12,643,974 B2Asahi Kasei Kabushiki Kaisha
- Rubber composition, and tire19 May 2026US 12,630,696 B2Asahi Kasei Kabushiki Kaisha
- Pneumatic tire17 Feb 2026US 12,552,918 B2Toyo Tire Corporation
- Method for the diimide hydrogenation of emulsified unsaturated polymers10 Feb 2026US 12,545,750 B2
- Hydrogenated Conjugated Diene Polymer, and Hydrogenated Conjugated Diene Polymer Manufacturing Method9 Jul 2026US 2026/0193388 A1Asahi Kasei Kabushiki Kaisha
- Functionalized pre-crosslinked hydrogenated nitrile rubbers as aqueous based cathode binders for li-ion battery applications23 Apr 2026US 2026/0112636 A1Arlanxeo Deutschland GmbH
- Functional copolymers and methods of preparation thereof5 Feb 2026US 2026/0035495 A1Kraton Corporation
- Dynamically vulcanized compositions comprising aliphatic polyketone, functionalized rubber, and low-odor crosslinking compound1 Jan 2026US 2026/0001969 A1
- Conjugated diene polymer, rubber composition, and member for tire1 Jan 2026US 2026/0001972 A1Asahi Kasei Kabushiki Kaisha
Most cited
By later US patents
- Polymer hydrogenation process102US 4,464,515 APolysar Limited · 1984
- Production of hydrogenated nitrile rubbers90US 4,581,417 ABayer Aktiengesellschaft · 1986
- Method for hydrogenation of polymer86US 4,501,857 AAsahi Kasei Kogyo Kabushiki Kaisha · 1985
- Polymer hydrogenation process86US 4,503,196 APolysar Limited · 1985
- Hydrogenation of nitrile group-containing unsaturated polymers86US 4,631,315 ABayer Aktiengesellschaft · 1986