C08L 23/36
By reaction with nitrogen-containing compounds
Official title: by reaction with nitrogen-containing compounds, e.g. by nitration
C08L23/36 (By reaction with nitrogen-containing compounds) appears on 56 US grants and 60 published applications in this corpus.
Search patents in C08L- Granted patents
- 56
- Published applications
- 60
- Assignees
- 50
- Inventors
- 148
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 2 |
| 2007 | 2 | 4 |
| 2008 | 1 | 5 |
| 2009 | 1 | 1 |
| 2010 | 0 | 7 |
| 2011 | 3 | 0 |
| 2012 | 2 | 3 |
| 2013 | 2 | 2 |
| 2014 | 6 | 2 |
| 2015 | 4 | 6 |
| 2016 | 3 | 4 |
| 2017 | 4 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 1 |
| 2020 | 2 | 3 |
| 2021 | 3 | 5 |
| 2022 | 1 | 3 |
| 2023 | 5 | 3 |
| 2024 | 3 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Functional ethylene and 1,3-diene copolymers25 Nov 2025US 12,479,936 B2Compagnie Generale Des Etablissements Michelin
- Ageing-resistant rubber composition and processing method therefor and use thereof28 May 2024US 11,993,703 B2Hangzhou Xinglu Technologies Co., Ltd
- Thermoplastic vulcanizate compositions20 Feb 2024US 11,905,401 B2Celanese International Corporation
- Compositions for polyolefin foams2 Jan 2024US 11,859,073 B2Braskem America, Inc.
- Methods for forming stereospecific, polar functionalized polypropylene12 Dec 2023US 11,840,624 B2Northwestern Unversity
- Rubber composition8 Oct 2026US 2026/0308369 A1Compagnie Generale Des Etablissements Michelin
- Tunable polyisobutylene polyurethane9 Jan 2025US 2025/0011541 A1Boston Scientific Scimed, Inc.
- Novel amine functionalized polymers and methods of preparation25 Jul 2024US 2024/0247142 A1The University of British Columbia
- Compositions for polyolefin foams8 Jun 2023US 2023/0174761 A1Braskem America, Inc.
- Supramolecular additives for semicrystalline plastics23 Feb 2023US 2023/0055430 A1
Most cited
By later US patents
- Polyolefin compositions and articles prepared therefrom, and methods for making the same60US 8,288,470 B2Dow Global Technologies LLC · 2012
- Polar resins having improved characteristics by blending with EPM and EPDM polymers41US 4,251,644 ACopolymer Rubber & Chemical Corporation · 1981
- Compatibilized resin blends and the preparation thereof25US 6,469,099 B1Dow Global Technologies LLC · 2002
- Composite systems of polyketone and aminated, modified polyolefins20US 5,369,170 AShell Oil Company · 1994
- Nucleophilic amine functionalized polyolefin16US 5,599,881 ADuPont Canada Inc. · 1997