C08G 73/08
Polyhydrazides
Official title: Polyhydrazides; Polytriazoles; Polyaminotriazoles; Polyoxadiazoles
C08G73/08 (Polyhydrazides) appears on 143 US grants and 115 published applications in this corpus.
Search patents in C08G- Granted patents
- 143
- Published applications
- 115
- Assignees
- 96
- Inventors
- 368
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 8 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 6 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 4 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 3 |
| 2005 | 1 | 10 |
| 2006 | 4 | 11 |
| 2007 | 4 | 12 |
| 2008 | 3 | 6 |
| 2009 | 4 | 7 |
| 2010 | 7 | 7 |
| 2011 | 10 | 6 |
| 2012 | 5 | 5 |
| 2013 | 1 | 8 |
| 2014 | 5 | 0 |
| 2015 | 6 | 2 |
| 2016 | 1 | 0 |
| 2017 | 2 | 5 |
| 2018 | 3 | 7 |
| 2019 | 4 | 1 |
| 2020 | 1 | 3 |
| 2021 | 0 | 0 |
| 2022 | 3 | 6 |
| 2023 | 3 | 0 |
| 2024 | 2 | 7 |
| 2025 | 4 | 2 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Copoly(1,2,4-triazole)s membranes for sour mixed-gas separation applications30 Jun 2026US 12,668,659 B2Saudi Arabian Oil Company
- Polymer carbon nitride, specific crystal form of said polymer carbon nitride, and ultraviolet ray-blocking use thereof19 May 2026US 12,629,330 B2Unist (Ulsan National Institute of Science and Technology)
- Polymer carbon nitride, specific crystal form of said polymer carbon nitride, and ultraviolet ray-blocking use thereof24 Mar 2026US 12,582,594 B2Unist (Ulsan National Institute of Science and Technology)
- Biodegradable drug-polymer conjugate23 Dec 2025US 12,503,553 B2Polyactiva Pty Ltd
- Solution-processable triazole-based polymers and methods of making the same1 Jul 2025US 12,344,688 B2Georgia Tech Research Corporation
- Degradable crosslinking agent20 Aug 2026US 2026/0242563 A1Nagase Chemtex Corporation
- Polyion complexes for biomolecular delivery2 Apr 2026US 2026/0091128 A1Technische Universitaet Dresden
- Covalent triazine framework polymer nanosheets for cathode materials in lithium-sulfur batteries22 Jan 2026US 2026/0024769 A1Anhui University
- Solid propellant composition for curing azide-alkyne triazole and method for preparing solid propellant using same6 Nov 2025US 2025/0340496 A1Agency for Defense Development
- Copoly(1,2,4-triazole)s membranes for sour mixed-gas separation applications27 Feb 2025US 2025/0066537 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Conformationally flexible cationic conjugated polymers93US 7,144,950 B2The Regents of the University of California · 2006
- Structures incorporating conformationally flexible conjugated polymers and methods of use59US 9,159,465 B2The Regents of the University of California · 2015
- Conformationally flexible cationic conjugated polymers56US 7,914,984 B2The Regents of the University of California · 2011
- Soluble conjugated polymers40US 8,309,672 B2The Regents of the University of California · 2012
- Permselective polymeric membranes of organic polyamide or polyhydrazide38US 3,993,625 AToray Industries, Inc. · 1976