C08G 63/685
Containing nitrogen
Official title: containing nitrogen
C08G63/685 (Containing nitrogen) appears on 1,076 US grants and 836 published applications in this corpus.
Search patents in C08G- Granted patents
- 1,076
- Published applications
- 836
- Assignees
- 564
- Inventors
- 2,664
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 33 | 0 |
| 1977 | 33 | 0 |
| 1978 | 46 | 0 |
| 1979 | 34 | 0 |
| 1980 | 14 | 0 |
| 1981 | 19 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 14 | 0 |
| 1985 | 9 | 0 |
| 1986 | 9 | 0 |
| 1987 | 14 | 0 |
| 1988 | 19 | 0 |
| 1989 | 23 | 0 |
| 1990 | 27 | 0 |
| 1991 | 21 | 0 |
| 1992 | 19 | 0 |
| 1993 | 29 | 0 |
| 1994 | 22 | 0 |
| 1995 | 23 | 0 |
| 1996 | 22 | 0 |
| 1997 | 21 | 0 |
| 1998 | 25 | 0 |
| 1999 | 14 | 0 |
| 2000 | 12 | 0 |
| 2001 | 13 | 4 |
| 2002 | 10 | 16 |
| 2003 | 18 | 16 |
| 2004 | 9 | 24 |
| 2005 | 7 | 26 |
| 2006 | 13 | 25 |
| 2007 | 19 | 29 |
| 2008 | 14 | 27 |
| 2009 | 14 | 25 |
| 2010 | 14 | 26 |
| 2011 | 13 | 23 |
| 2012 | 30 | 29 |
| 2013 | 23 | 34 |
| 2014 | 22 | 42 |
| 2015 | 38 | 37 |
| 2016 | 24 | 40 |
| 2017 | 27 | 39 |
| 2018 | 26 | 31 |
| 2019 | 30 | 44 |
| 2020 | 37 | 41 |
| 2021 | 25 | 37 |
| 2022 | 24 | 32 |
| 2023 | 25 | 54 |
| 2024 | 26 | 64 |
| 2025 | 34 | 44 |
| 2026 | 26 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- EUV resist underlayer film-forming composition6 Oct 2026US 12,754,479 B2Nissan Chemical Corporation
- Polymer and composition from renewable source29 Sep 2026US 12,747,319 B2Åbo Akademi University
- Bio-based plasticiser for resins and blends containing said plasticiser8 Sep 2026US 12,729,270 B2Teknologiselskabet af 2025 ApS
- Ring-opening polymerizations using a flow reactor8 Sep 2026US 12,729,271 B2International Business Machines Corporation
- Polyesters1 Sep 2026US 12,723,131 B2The Procter & Gamble Company
- Low residual momomer glycol aromatic polyester polyols24 Sep 2026US 2026/0286036 A1Stepan Company
- Fabric and home care composition comprising a polyester17 Sep 2026US 2026/0275244 A1The Procter & Gamble Company
- Liquid crystal polyester, film, and metal-clad laminate20 Aug 2026US 2026/0242664 A1Kaneka Corporation
- Multivalent polyester based polyurethane acrylate or methacrylate oligomers formulated with different reactive diluents13 Aug 2026US 2026/0232541 A1Align Technology, Inc.
- A bioactive poly(lactic-co-glycolic acid) (plga) material, related printed structure and related methods thereof6 Aug 2026US 2026/0224610 A1Agency for Science, Technology and Research
Most cited
By later US patents
- Polyhydroxyalkanoate compositions having controlled degradation rates1,516US 6,867,248 B1Metabolix, Inc. · 2005
- Hydrogels of absorbable polyoxaesters containing amines or amido groups336US 5,700,583 AEthicon, Inc. · 1997
- Poly(alkylene oxide) amino acid copolymers and drug carriers and charged copolymers based thereon304US 5,219,564 AEnzon, Inc. · 1993
- 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