C08G 79/025
Polyphosphazenes
C08G79/025 (Polyphosphazenes) appears on 306 US grants and 124 published applications in this corpus.
Search patents in C08G- Granted patents
- 306
- Published applications
- 124
- Assignees
- 121
- Inventors
- 480
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 12 | 0 |
| 1978 | 23 | 0 |
| 1979 | 11 | 0 |
| 1980 | 22 | 0 |
| 1981 | 12 | 0 |
| 1982 | 6 | 0 |
| 1983 | 5 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 9 | 0 |
| 1988 | 7 | 0 |
| 1989 | 14 | 0 |
| 1990 | 6 | 0 |
| 1991 | 9 | 0 |
| 1992 | 9 | 0 |
| 1993 | 12 | 0 |
| 1994 | 5 | 0 |
| 1995 | 8 | 0 |
| 1996 | 8 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 4 |
| 2003 | 5 | 3 |
| 2004 | 2 | 5 |
| 2005 | 0 | 3 |
| 2006 | 0 | 5 |
| 2007 | 5 | 4 |
| 2008 | 1 | 4 |
| 2009 | 1 | 10 |
| 2010 | 6 | 8 |
| 2011 | 6 | 6 |
| 2012 | 5 | 9 |
| 2013 | 4 | 5 |
| 2014 | 1 | 6 |
| 2015 | 6 | 6 |
| 2016 | 1 | 3 |
| 2017 | 4 | 3 |
| 2018 | 2 | 4 |
| 2019 | 3 | 7 |
| 2020 | 8 | 2 |
| 2021 | 1 | 3 |
| 2022 | 3 | 5 |
| 2023 | 1 | 7 |
| 2024 | 5 | 1 |
| 2025 | 3 | 7 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymers for gene therapy26 May 2026US 12,637,545 B2Universidade De Santiago De Compostela
- Polyphosphazene and molding compound containing the polyphosphazene17 Feb 2026US 12,552,904 B2Covestro Deutschland AG
- Cyclic phosphazene compound having oxaphosphorin ring-containing structure23 Dec 2025US 12,503,480 B2Fushimi Pharmaceutical Co., Ltd.
- ‘Smart’ hydrogel for the radiosensitization and sustained delivery of therapeutics triggered by irradiation2 Dec 2025US 12,486,401 B2The Trustees of the University of Pennsylvania
- Crosslinked polyphosphazene blends for gas separation membranes1 Jul 2025US 12,344,713 B2Energy, United States Department of
- Phosphorus-nitrogen cage based hybrid inorganic-organic polymers1 Oct 2026US 2026/0297266 A1
- Polymerizable monomer20 Aug 2026US 2026/0242547 A1Universität Linz
- Epoxy resin composition and coating material26 Mar 2026US 2026/0085196 A1Mitsubishi Gas Chemical Company, Inc.
- Hydrolytically degradable zwitterionic polymers8 Jan 2026US 2026/0007752 A1
- Thermoplastic polyester resin composition, method for producing thermoplastic polyester resin composition, and molded article3 Jul 2025US 2025/0215216 A1Toray Industries, Inc.
Most cited
By later US patents
- Ionically cross-linked polymeric microcapsules232US 5,149,543 AMassachusetts Institute of Technology · 1992
- Gas-filled polymeric microbubbles for ultrasound imaging189US 5,487,390 AMassachusetts Institute of Technology · 1996
- Water-soluble phosphazene polymers having pharmacological applications146US 4,880,622 AResearch Corporation Technologies, Inc. · 1989
- Coupling of polyorganophosphazenes to carboxylic acid143US 4,440,921 AResearch Corporation · 1984
- Anesthetic polyorganophosphazenes142US 4,495,174 AResearch Corporation · 1985