C08G 65/3328
Heterocyclic
Official title: {heterocyclic}
C08G65/3328 (Heterocyclic) appears on 42 US grants and 49 published applications in this corpus.
Search patents in C08G- Granted patents
- 42
- Published applications
- 49
- Assignees
- 42
- Inventors
- 161
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 3 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 3 |
| 2013 | 0 | 1 |
| 2014 | 2 | 2 |
| 2015 | 3 | 1 |
| 2016 | 3 | 1 |
| 2017 | 0 | 3 |
| 2018 | 3 | 6 |
| 2019 | 6 | 6 |
| 2020 | 1 | 4 |
| 2021 | 6 | 3 |
| 2022 | 2 | 6 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 5 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composition for restoration of tissue including biodegradable polymeric copolymer30 Dec 2025US 12,508,344 B2Rose Lab. Co., Ltd
- Process for preparing a polyoxyalkylene carbonate polyol12 Aug 2025US 12,384,869 B2Covestro Deutschland AG
- Metal polyols for use in a polyurethane polymer29 Jul 2025US 12,371,526 B2Dow Global Technologies LLC
- Biodegradable ultra-pH sensitive polymers22 Jul 2025US 12,365,761 B2Board of Regents, The University of Texas System
- Multifunctional additive compounds15 Apr 2025US 12,275,883 B2Huntsman Petrochemical Corporation
- Composition for restoration of tissue including biodegradable polymeric copolymer9 Apr 2026US 2026/0097147 A1Rose Lab. Co., Ltd
- Polymeric (meth)acrylate photoinitiators12 Mar 2026US 2026/0071077 A1Igm Resins Italia S.R.L.
- Compositions and methods of using maleated fatty amides of polyetheramines for corrosion inhibition6 Feb 2025US 2025/0043145 A1ChampionX LLC
- Reactive polymers and hydrogels formed from the same30 Jan 2025US 2025/0032408 A1Boston Scientific Scimed, Inc.
- Process for preparing a polyoxyalkylene carbonate polyol8 Jun 2023US 2023/0174705 A1Covestro Deutschland AG
Most cited
By later US patents
- Electrophilic polyethylene oxides for the modification of polysaccharides, polypeptides (proteins) and surfaces208US 5,650,234 ASurface Engineering Technologies, Division of Innerdyne, Inc. · 1997
- Reactive vesicle and functional substance-fixed vesicle49US 5,540,935 ANof Corporation · 1996
- Active energy ray curable composition comprised of a maleimide derivative and a method for curing the said curable composition31US 6,410,611 B1Dainippon Ink and Chemicals, Inc. · 2002
- Micellar nanocomplex8US 10,052,307 B2Agency for Science, Technology and Research · 2018
- Multi-arm polymeric alkanoate conjugates8US 8,637,466 B2Nektar Therapeutics · 2014