C08G 69/46
Post-polymerisation treatment
C08G69/46 (Post-polymerisation treatment) appears on 155 US grants and 117 published applications in this corpus.
Search patents in C08G- Granted patents
- 155
- Published applications
- 117
- Assignees
- 120
- Inventors
- 467
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 7 | 1 |
| 2002 | 4 | 4 |
| 2003 | 3 | 3 |
| 2004 | 2 | 1 |
| 2005 | 1 | 2 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 2 | 4 |
| 2009 | 1 | 2 |
| 2010 | 0 | 4 |
| 2011 | 2 | 6 |
| 2012 | 3 | 5 |
| 2013 | 5 | 8 |
| 2014 | 4 | 8 |
| 2015 | 5 | 1 |
| 2016 | 5 | 9 |
| 2017 | 8 | 6 |
| 2018 | 3 | 8 |
| 2019 | 4 | 2 |
| 2020 | 5 | 8 |
| 2021 | 3 | 4 |
| 2022 | 4 | 9 |
| 2023 | 7 | 5 |
| 2024 | 4 | 5 |
| 2025 | 4 | 5 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and device for the production of polyamide 6 pellets24 Feb 2026US 12,558,815 B2T.En Zimmer GmbH
- Highly spherical polyamide microparticles and synthesis methods related thereto10 Feb 2026US 12,545,762 B2Xerox Corporation
- Method for producing polyamide resin composition21 Oct 2025US 12,448,515 B2TOYOBO MC Corporation
- Polyamide medium for purifying protein-containing solution and method for producing polyamide medium12 Aug 2025US 12,383,884 B2Asahi Kasei Medical Co., Ltd.
- Polyamide particles and methods of production and uses thereof5 Aug 2025US 12,378,360 B2Xerox Corporation
- Methods for manufacturing biomaterial-based materials via extrusion17 Sep 2026US 2026/0275085 A1The Fynder Group, Inc.
- Method for producing diamine and dicarboxylic acid, method for recycling polyamide, and polyamide6 Aug 2026US 2026/0225993 A1Asahi Kasei Kabushiki Kaisha
- Method For Recycling Polyamide 66 Waste Products2 Apr 2026US 2026/0092144 A1Celanese Polymers Holding, Inc.
- Method of producing powdered polyamide12 Mar 2026US 2026/0071032 A1Asahi Kasei Kabushiki Kaisha
- Modified cyanophycin28 Aug 2025US 2025/0270369 A1
Most cited
By later US patents
- Aromatic polyamide-type films125US 3,966,686 AToray Industries, Inc. · 1976
- Magnetic recording medium supported on aromatic polyamide119US 4,112,187 AToray Industries, Inc. · 1978
- Meta-xylylene diamine/aliphatic dicarboxylic acid polyamide film55US 4,133,802 AToyo Boseki Kabushiki Kaisha · 1979
- Method for isolating polymer resin from solution slurries45US 6,316,592 B1General Electric Company · 2001
- Method for polytropically precipitating polyamide powder coating compositions where the polyamides have at least 10 aliphatically bound carbon atoms per carbonamide group34US 4,334,056 AChemische Werke Huls Aktiengesellschaft · 1982