C08G 65/33337
Cyclic
Official title: {cyclic}
C08G65/33337 (Cyclic) appears on 153 US grants and 192 published applications in this corpus.
Search patents in C08G- Granted patents
- 153
- Published applications
- 192
- Assignees
- 87
- Inventors
- 330
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 2 |
| 2002 | 3 | 3 |
| 2003 | 3 | 1 |
| 2004 | 3 | 9 |
| 2005 | 3 | 4 |
| 2006 | 3 | 7 |
| 2007 | 1 | 1 |
| 2008 | 3 | 9 |
| 2009 | 3 | 10 |
| 2010 | 4 | 14 |
| 2011 | 9 | 14 |
| 2012 | 10 | 11 |
| 2013 | 10 | 7 |
| 2014 | 10 | 7 |
| 2015 | 11 | 8 |
| 2016 | 8 | 14 |
| 2017 | 6 | 6 |
| 2018 | 12 | 8 |
| 2019 | 7 | 10 |
| 2020 | 5 | 8 |
| 2021 | 4 | 8 |
| 2022 | 7 | 7 |
| 2023 | 5 | 9 |
| 2024 | 6 | 4 |
| 2025 | 5 | 8 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Coatings containing polymer modified enzyme for stable self-cleaning of organic stains4 Aug 2026US 12,698,417 B2Regents of the University of Minnesota
- Method for producing maleimide polyethylene glycol lipid30 Jun 2026US 12,668,662 B2Nof Corporation
- Method for producing maleimide polyethylene glycol derivative7 Apr 2026US 12,595,336 B2Nof Corporation
- Method of preparing protein conjugate24 Feb 2026US 12,558,431 B2Hanmi Pharm. Co., Ltd.
- Medical hydrogel and preparation method and uses thereof25 Nov 2025US 12,478,709 B2Beijing Biosis Healing Biological Technology Co., Ltd.
- Polyol-b-polyoxazoline copolymers6 Aug 2026US 2026/0224611 A1Freie UniversitäT Berlin
- In vivo crosslinkable hydrogels with gold nanoparticles for medical applications28 May 2026US 2026/0144900 A1Boston Scientific Scimed, Inc.
- Cationic poloxamers and their use in transduction5 Mar 2026US 2026/0062715 A1Oz Biosciences
- Acetal-type releasable polyoxyethylene derivative, production method thereof and acetal-type releasable polyoxyethylene conjugate18 Sep 2025US 2025/0288684 A1Nof Corporation
- Anisotropic poly(ethylene glycol)-based hydrogels synthesized via two-stage polymerization and mechanical alignment7 Aug 2025US 2025/0250397 A1University of Oregon
Most cited
By later US patents
- Poly(ethylene glycol) derivatives with proximal reactive groups193US 6,362,254 B1Shearwater Corporation · 2002
- N-maleimidyl polymer derivatives171US 6,602,498 B2Shearwater Corporation · 2003
- Poly(ethylene glycol) derivatives with proximal reactive groups114US 6,437,025 B1Shearwater Corporation · 2002
- Preparation method of peg-maleimide derivatives111US 6,828,401 B2SunBio Inc. · 2004
- N-maleimidyl polymer derivatives70US 8,454,946 B2Nektar Therapeutics · 2013