C08G 67/00
Macromolecular compounds obtained by reactions forming in the main chain of the
Official title: Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing oxygen or oxygen and carbon, not provided for in groups C08G2/00 - C08G65/00
C08G67/00 (Macromolecular compounds obtained by reactions forming in the main chain of the) appears on 612 US grants and 180 published applications in this corpus.
Search patents in C08G- Granted patents
- 612
- Published applications
- 180
- Assignees
- 157
- Inventors
- 791
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 8 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 9 | 0 |
| 1988 | 15 | 0 |
| 1989 | 61 | 0 |
| 1990 | 41 | 0 |
| 1991 | 49 | 0 |
| 1992 | 41 | 0 |
| 1993 | 50 | 0 |
| 1994 | 36 | 0 |
| 1995 | 20 | 0 |
| 1996 | 17 | 0 |
| 1997 | 20 | 0 |
| 1998 | 27 | 0 |
| 1999 | 22 | 0 |
| 2000 | 16 | 0 |
| 2001 | 7 | 0 |
| 2002 | 7 | 8 |
| 2003 | 10 | 8 |
| 2004 | 7 | 12 |
| 2005 | 6 | 6 |
| 2006 | 4 | 4 |
| 2007 | 5 | 5 |
| 2008 | 3 | 8 |
| 2009 | 2 | 2 |
| 2010 | 7 | 6 |
| 2011 | 2 | 1 |
| 2012 | 1 | 3 |
| 2013 | 3 | 6 |
| 2014 | 4 | 11 |
| 2015 | 8 | 10 |
| 2016 | 8 | 7 |
| 2017 | 3 | 13 |
| 2018 | 6 | 12 |
| 2019 | 9 | 7 |
| 2020 | 9 | 7 |
| 2021 | 6 | 8 |
| 2022 | 4 | 10 |
| 2023 | 5 | 8 |
| 2024 | 3 | 11 |
| 2025 | 9 | 3 |
| 2026 | 7 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ring-opening polymerizations using a flow reactor8 Sep 2026US 12,729,271 B2International Business Machines Corporation
- Method for preparing aliphatic polyketone by continuous solution polymerization process and aliphatic polyketone21 Jul 2026US 12,686,744 B2Chambroad Chemical Industry Research Institute Co., Ltd.
- Polymeric biomaterials derived from phenolic monomers and their medical uses7 Jul 2026US 12,674,024 B2Rutgers, The State University of New Jersey
- Lithium selective organogels2 Jun 2026US 12,643,975 B2Board of Regents, The University of Texas System
- Composition and siloxane-based thermoplastic resin using same, and methods for producing same5 May 2026US 12,617,902 B2Mitsubishi Gas Chemical Company, Inc.
- Dynamically vulcanized compositions comprising aliphatic polyketone, functionalized rubber, and low-odor crosslinking compound20 Aug 2026US 2026/0242589 A1
- Polyketone powder for laser sintering12 Feb 2026US 2026/0042885 A1LUMAS Polymers LLC
- Production of syngas from methanol produced from syngas and/or co215 Jan 2026US 2026/0015298 A1
- Dynamically vulcanized compositions comprising aliphatic polyketone, functionalized rubber, and low-odor crosslinking compound1 Jan 2026US 2026/0001969 A1
- Branched polyethylene with in-chain ketones24 Apr 2025US 2025/0129210 A1
Most cited
By later US patents
- Drug delivery devices manufactured from poly(orthoesters) and poly(orthocarbonates)397US 4,093,709 AAlza Corporation · 1978
- Bioerodible polyanhydrides for controlled drug delivery309US 4,906,474 AMassachusetts Institute of Technology · 1990
- Bioerodible polyanhydrides for controlled drug delivery238US 4,891,225 AMassachusetts Institute of Technology · 1990
- High molecular weight polyanhydride and preparation thereof201US 4,757,128 AMassachusetts Institute of Technology · 1988
- Polyanhydrides with improved hydrolytic degradation properties177US 4,857,311 AMassachusetts Institute of Technology · 1989