C08G 73/0605
Polycondensates containing five-membered rings, not condensed with other rings, with nitrogen atoms
Official title: {Polycondensates containing five-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms}
C08G73/0605 (Polycondensates containing five-membered rings, not condensed with other rings, with nitrogen atoms) appears on 286 US grants and 210 published applications in this corpus.
Search patents in C08G- Granted patents
- 286
- Published applications
- 210
- Assignees
- 193
- Inventors
- 798
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 7 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 8 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 10 | 0 |
| 1998 | 11 | 0 |
| 1999 | 12 | 0 |
| 2000 | 5 | 0 |
| 2001 | 10 | 2 |
| 2002 | 7 | 1 |
| 2003 | 2 | 6 |
| 2004 | 5 | 8 |
| 2005 | 3 | 8 |
| 2006 | 4 | 14 |
| 2007 | 3 | 5 |
| 2008 | 5 | 5 |
| 2009 | 1 | 6 |
| 2010 | 10 | 8 |
| 2011 | 9 | 9 |
| 2012 | 9 | 7 |
| 2013 | 5 | 8 |
| 2014 | 5 | 15 |
| 2015 | 12 | 8 |
| 2016 | 6 | 8 |
| 2017 | 7 | 14 |
| 2018 | 8 | 9 |
| 2019 | 8 | 16 |
| 2020 | 9 | 12 |
| 2021 | 9 | 12 |
| 2022 | 8 | 4 |
| 2023 | 7 | 7 |
| 2024 | 6 | 7 |
| 2025 | 5 | 7 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing polymer4 Aug 2026US 12,698,361 B2Nissan Chemical Corporation
- Modified nanoscale zero-valent iron (nZVI) and preparation method and application thereof31 Mar 2026US 12,589,378 B2Chinese Research Academy of Environmental Sciences
- Build materials for 3D printing16 Dec 2025US 12,497,504 B23D Systems, Inc.
- Method of storing data in polymer4 Nov 2025US 12,458,967 B2Imec Vzw
- Thioanion-functionalized polypyrroles for metal ion capture14 Oct 2025US 12,441,834 B2Northwestern University
- Antimicrobial copolymers and methods of making and use thereof23 Jul 2026US 2026/0209437 A1Clearlab SG Pte Ltd.
- Water soluble composition, method for producing same, conductive composition, and method for producing same9 Apr 2026US 2026/0098127 A1Mitsubishi Chemical Corporation
- Diels-alder crosslinked polyurethanes2 Apr 2026US 2026/0092145 A1The Government of the United States of America, as represented by the Secretary of the Navy
- Build materials for 3d printing12 Mar 2026US 2026/0071067 A1
- Spray drying aid for a re-dispersible dispersion powder20 Nov 2025US 2025/0353960 A1BASF SE
Most cited
By later US patents
- Biodegradable poly(β-amino esters) and uses thereof153US 6,998,115 B2Massachusetts Institute of Technology · 2006
- Biodegradable poly(β-amino esters) and uses thereof142US 7,427,394 B2Massachusetts Institute of Technology · 2008
- Biodegradable poly(beta-amino esters) and uses thereof141US 8,557,231 B2Massachusetts Institute of Technology · 2013
- Cement admixture product having improved rheological properties and process of forming same130US 5,643,978 AW. R. Grace & Co.-Conn. · 1997
- Cement and cement composition having improved rheological properties127US 5,393,343 AW. R. Grace & Co.-Conn. · 1995