C08G 64/183
Containing polyether sequences
Official title: {containing polyether sequences}
C08G64/183 (Containing polyether sequences) appears on 242 US grants and 242 published applications in this corpus.
Search patents in C08G- Granted patents
- 242
- Published applications
- 242
- Assignees
- 137
- Inventors
- 620
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 8 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 9 | 0 |
| 2001 | 5 | 1 |
| 2002 | 4 | 2 |
| 2003 | 3 | 5 |
| 2004 | 3 | 9 |
| 2005 | 4 | 3 |
| 2006 | 4 | 9 |
| 2007 | 2 | 9 |
| 2008 | 2 | 13 |
| 2009 | 4 | 5 |
| 2010 | 8 | 7 |
| 2011 | 7 | 14 |
| 2012 | 11 | 7 |
| 2013 | 7 | 6 |
| 2014 | 5 | 16 |
| 2015 | 9 | 10 |
| 2016 | 13 | 9 |
| 2017 | 7 | 13 |
| 2018 | 10 | 14 |
| 2019 | 14 | 16 |
| 2020 | 11 | 12 |
| 2021 | 11 | 10 |
| 2022 | 3 | 16 |
| 2023 | 3 | 8 |
| 2024 | 6 | 4 |
| 2025 | 10 | 16 |
| 2026 | 2 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polycarbonate compositions containing polyethercarbonate polyols23 Jun 2026US 12,662,571 B2Covestro Deutschland AG
- Polycarbonate diol composition16 Jun 2026US 12,655,245 B2Asahi Kasei Kabushiki Kaisha
- Bioflexible elastomer intestinal anastomosis stent based on PTMC-b-PEG-b-PTMC copolymer, and preparation method16 Sep 2025US 12,415,019 B2Wenzhou Institute, University of Chinese Academy Of Sciences
- Process for preparing a polyoxyalkylene carbonate polyol12 Aug 2025US 12,384,869 B2Covestro Deutschland AG
- Polyol block copolymer, compositions and processes therefor12 Aug 2025US 12,384,880 B2Econic Technologies Ltd.
- Surface-active agent1 Oct 2026US 2026/0297250 A1Econic Technologies Ltd.
- Polycarbonate foam material, precursor composition and kit thereof10 Sep 2026US 2026/0265457 A1Basque Center for Macromolecular Design and Engineering, Polymat Fundazioa
- Surface-active agent30 Jul 2026US 2026/0218055 A1Econic Technologies Ltd.
- Oxyalkylene structure-containing polycarbonate polyol composition23 Jul 2026US 2026/0209425 A1Asahi Kasei Kabushiki Kaisha
- Resin composition including polycarbonate resin, and electrolytic solution, film, and solid electrolyte including the same16 Apr 2026US 2026/0103563 A1Mitsubishi Gas Chemical Company, Inc.
Most cited
By later US patents
- Copolymers of tyrosine-based polycarbonate and poly(alkylene oxide)299US 5,658,995 ARutgers, The State University · 1997
- Biodegradable, anionic polymers derived from the amino acid L-tyrosine283US 6,120,491 AThe State University of Rutgers · 2000
- Hydrolytically degradable polymers and hydrogels made therefrom235US 6,348,558 B1Shearwater Corporation · 2002
- Radio-opaque polymer biomaterials182US 6,475,477 B1Rutgers, The State University · 2002
- Bioresorbable hydrogel compositions for implantable prostheses145US 6,316,522 B1SciMed Life Systems, Inc. · 2001