C08G 2261/3321
Derived from cyclopentene
Official title: derived from cyclopentene
C08G2261/3321 (Derived from cyclopentene) appears on 54 US grants and 74 published applications in this corpus.
Search patents in C08G- Granted patents
- 54
- Published applications
- 74
- Assignees
- 35
- Inventors
- 136
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 4 |
| 2014 | 2 | 0 |
| 2015 | 3 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 6 |
| 2018 | 3 | 6 |
| 2019 | 4 | 8 |
| 2020 | 4 | 10 |
| 2021 | 8 | 6 |
| 2022 | 6 | 9 |
| 2023 | 6 | 14 |
| 2024 | 4 | 3 |
| 2025 | 2 | 2 |
| 2026 | 6 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Processes for producing cyclic olefins from polymers and re-polymerization thereof9 Jun 2026US 12,649,840 B2ExxonMobil Chemical Patents Inc.
- Fused ring monomers providing for chemically recyclable polymers19 May 2026US 12,630,670 B2The University of Akron
- Cyclic olefin polymer, cyclic olefin polymer monomer, and optical product19 May 2026US 12,630,671 B2Huawei Technologies Co., Ltd.
- Olefinic compositions comprising hydrocarbon resins31 Mar 2026US 12,590,180 B2ExxonMobil Product Solutions Company
- Elastomer with tunable properties and method of rapidly forming the elastomer27 Jan 2026US 12,533,441 B2The Board of Trustees of the University of Illinois
- Processes for producing cyclic olefins from polymers and re-polymerization thereof24 Sep 2026US 2026/0286085 A1
- Copolymer formed by ring-opening copolymerization of cycloolefin, production method therefor, rubber composition, and crosslinked rubber object21 Aug 2025US 2025/0263511 A1Zeon Corporation
- New polymers and uses thereof29 May 2025US 2025/0171591 A1Flinders University
- Latent-fluoride containing polymers for triggered degradation15 Aug 2024US 2024/0270898 A1Massachusetts Institute of Technology
- Catalysts for Olefin Metathesis, Methods of Preparation, and Processes for the use Thereof4 Apr 2024US 2024/0109984 A1
Most cited
By later US patents
- Process for preparing linear monofunctional and telechelic difunctional polymers and compositions obtained thereby23US 5,512,635 AAmoco Corporation · 1996
- Difunctional telechelic linear non-crosslinked polyolefins16US 5,559,190 AAmoco Corporation · 1996
- Difunctional telechelic linear non-crosslinked polyolefins13US 5,731,383 AAmoco Corporation · 1998
- Polymerization method for preparing conductive polymer12US 10,109,421 B2Kemet Electronics Corporation · 2018
- Polymerization method for preparing conductive polymer12US 10,242,799 B2Kemet Electronics Corporation · 2019