C08C 19/085
Devulcanisation
Official title: {Devulcanisation}
C08C19/085 (Devulcanisation) appears on 22 US grants and 26 published applications in this corpus.
Search patents in C08C- Granted patents
- 22
- Published applications
- 26
- Assignees
- 25
- Inventors
- 59
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 3 | 3 |
| 2014 | 1 | 1 |
| 2015 | 1 | 3 |
| 2016 | 1 | 2 |
| 2017 | 2 | 1 |
| 2018 | 0 | 0 |
| 2019 | 2 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Devulcanized rubber, rubber composition, and pneumatic tire9 Dec 2025US 12,492,297 B2Toyo Tire Corporation
- Microbial desulfurization and surface activation of rubber1 Oct 2024US 12,103,985 B2Arizona Board of Regents on behalf of Arizona State University
- Depolymerizer and recycled rubber1 Aug 2023US 11,713,362 B2Industrial Technology Research Institute
- Method and product of modifying vulcanized rubber6 Sep 2022US 11,434,353 B2Appia, LLC
- Modified conjugated diene-based polymer, production method thereof, rubber composition and tire17 Aug 2021US 11,091,609 B2Asahi Kasei Kabushiki Kaisha
- Devulcanized rubber, process for producing devulcanized rubber, and use thereof23 Apr 2026US 2026/0109789 A1Evonik Operations GmbH
- Rubber composition and tire9 Apr 2026US 2026/0098146 A1Toyo Tire Corporation
- Desulfurization method for sulfur-crosslinked rubber11 Dec 2025US 2025/0376544 A1Toyoda Gosei Co., Ltd.
- Method of desulfurizing sulfur-crosslinked rubber7 Aug 2025US 2025/0250366 A1National University Corporation Tokai National Higher Education and Research System
- Systems and methods for recycling rubber waste into surface-modified devulcanized rubber or an end-of-life tire (elt) compound3 Apr 2025US 2025/0109285 A11307843 B.C. Ltd.
Most cited
By later US patents
- Process for the instantaneous peptization of polychloroprene latex11US 3,984,609 ADistugil · 1976
- Devulcanized rubber and methods6US 7,767,722 B2Green Source Energy LLC · 2010
- Chemically functionalized renewed rubber composition4US 9,574,069 B2Lehigh Technologies, Inc. · 2017
- Devulcanization of rubber and other elastomers3US 8,357,726 B2Vertex, Inc. · 2013
- Method and chemical composition for reclaiming of cured elastomer materials2US 8,304,458 B2Innovert Investments A.L. Ltd · 2012