C08C 19/08
Depolymerisation
C08C19/08 (Depolymerisation) appears on 126 US grants and 113 published applications in this corpus.
Search patents in C08C- Granted patents
- 126
- Published applications
- 113
- Assignees
- 72
- Inventors
- 262
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 8 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 2 |
| 2002 | 2 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 3 |
| 2005 | 1 | 5 |
| 2006 | 2 | 1 |
| 2007 | 1 | 8 |
| 2008 | 2 | 6 |
| 2009 | 4 | 10 |
| 2010 | 8 | 7 |
| 2011 | 9 | 3 |
| 2012 | 3 | 6 |
| 2013 | 5 | 4 |
| 2014 | 3 | 2 |
| 2015 | 5 | 7 |
| 2016 | 5 | 6 |
| 2017 | 6 | 4 |
| 2018 | 6 | 0 |
| 2019 | 0 | 3 |
| 2020 | 3 | 11 |
| 2021 | 5 | 3 |
| 2022 | 6 | 5 |
| 2023 | 4 | 6 |
| 2024 | 1 | 5 |
| 2025 | 2 | 4 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for the devulcanisation of a vulcanisaed rubber mixture, device for carrying out the method, as well as a rubber mixture and vehicle pneumatic tyre, comprising a component made of the rubber mixture28 Jul 2026US 12,691,624 B2Continental Reifen Deutschland GmbH
- Desulfurized rubber, rubber composition, rubber composition for tire, tire, hose, belt, crawler2 Jun 2026US 12,643,960 B2Bridgestone Corporation
- Rubber composition production method, re-crosslinked rubber, tire, and rubber industrial product28 Apr 2026US 12,612,470 B2Bridgestone Corporation
- Terminally modified diene-based polymer and method for producing the same21 Apr 2026US 12,606,642 B2Toyo Tire Corporation
- Process for regenerating a monolithic, macro-structural, inter-penetrating elastomer network morphology from ground tire rubber particles2 Dec 2025US 12,486,386 B2
- Gasification process4 Sep 2025US 2025/0277068 A1Bridgestone Americas Tire Operations, LLC
- Butadiene production from used tires14 Aug 2025US 2025/0257187 A1
- Butadiene production from used tires14 Aug 2025US 2025/0257188 A1
- Method of decomposing crosslinked rubber1 May 2025US 2025/0136530 A1Bridgestone Corporation
- Thermal decomposition method of used rubber and rubber material for thermal decomposition12 Sep 2024US 2024/0301095 A1Bridgestone Corporation
Most cited
By later US patents
- Olefin metathesis coupling using ruthenium and osmium carbene complexes113US 5,750,815 ACalifornia Institute of Technology · 1998
- Polymer depolymerization using ruthenium and osmium carbene complexes98US 5,728,917 ACalifornia Institute of Technology · 1998
- High activity ruthenium and osmium metal carbene complexes for olefin metathesis reactions95US 5,969,170 ACalifornia Institute of Technology · 1999
- Diene cyclization using ruthenium and osmium carbene complexes84US 5,922,863 ACalifornia Institute of Technology · 1999
- Continuous ultrasonic devulcanization of vulcanized elastomers52US 5,284,625 AThe University of Akron · 1994