C08F 236/08
Isoprene
C08F236/08 (Isoprene) appears on 167 US grants and 224 published applications in this corpus.
Search patents in C08F- Granted patents
- 167
- Published applications
- 224
- Assignees
- 107
- Inventors
- 512
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 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 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 2 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 3 |
| 2011 | 0 | 1 |
| 2012 | 2 | 2 |
| 2013 | 1 | 7 |
| 2014 | 1 | 7 |
| 2015 | 5 | 11 |
| 2016 | 8 | 8 |
| 2017 | 11 | 14 |
| 2018 | 7 | 28 |
| 2019 | 13 | 27 |
| 2020 | 22 | 30 |
| 2021 | 22 | 31 |
| 2022 | 13 | 12 |
| 2023 | 21 | 16 |
| 2024 | 15 | 7 |
| 2025 | 7 | 9 |
| 2026 | 7 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process and catalysts for hydrogen mediated anionic polymerization of conjugated dienes and liquid polymers thereof29 Sep 2026US 12,747,315 B2Albemarle Corporation
- Rubber composition based on a highly saturated diene elastomer1 Sep 2026US 12,723,116 B2Compagnie Generale Des Etablissements Michelin
- Latex composition and dip molded body16 Jun 2026US 12,655,241 B2Zeon Corporation
- Synthesis of isoprene-butadiene copolymer rubbers9 Jun 2026US 12,649,811 B2G-3 Chickadee Purchaser, LLC
- Homogeneous rare earth catalyst and preparation method and use thereof5 May 2026US 12,617,882 B2Qingdao University of Science and Technology
- Amine containing copolymer emulsion compositions and methods of making and use thereof29 Jan 2026US 2026/0028457 A1Infineum International Limited
- Amine containing polymer compositions and uses thereof7 Aug 2025US 2025/0250379 A1Infineum International Limited
- Amine containing polymers and lubricant compositions including such polymers and methods of using thereof7 Aug 2025US 2025/0250380 A1
- Free radical ethylene/terpene copolymers31 Jul 2025US 2025/0243302 A1Braskem S/A
- Resin composition, and molded product, cured product, film, composite material, cured composite material, laminate, metal foil with resin, and varnish for circuit board material obtainedtherefrom24 Jul 2025US 2025/0236693 A1Nippon Steel Chemical & Material Co., Ltd.
Most cited
By later US patents
- Process for the production of highly reactive polyisobutenes21US 7,291,758 B2BASF SE · 2007
- Process for producing olefin polymer and olefin polymer20US 9,458,257 B2Mitsui Chemicals, Inc. · 2016
- Monomeric neodymium carboxylate and its use in polymerization of conjugated diene19US 6,482,930 B1Korea Kumho Petrochemical Co., Ltd. · 2002
- Polymers of isoprene from renewable resources15US 9,296,850 B2Danisco US Inc. · 2016
- Terpene derived compounds11US 9,012,385 B2Elevance Renewable Sciences, Inc. · 2015