C08G 69/48
Polymers modified by chemical after-treatment
C08G69/48 (Polymers modified by chemical after-treatment) appears on 751 US grants and 662 published applications in this corpus.
Search patents in C08G- Granted patents
- 751
- Published applications
- 662
- Assignees
- 466
- Inventors
- 2,059
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 9 | 0 |
| 1978 | 7 | 0 |
| 1979 | 5 | 0 |
| 1980 | 5 | 0 |
| 1981 | 8 | 0 |
| 1982 | 10 | 0 |
| 1983 | 10 | 0 |
| 1984 | 14 | 0 |
| 1985 | 13 | 0 |
| 1986 | 8 | 0 |
| 1987 | 9 | 0 |
| 1988 | 15 | 0 |
| 1989 | 17 | 0 |
| 1990 | 12 | 0 |
| 1991 | 11 | 0 |
| 1992 | 17 | 0 |
| 1993 | 12 | 0 |
| 1994 | 15 | 0 |
| 1995 | 14 | 0 |
| 1996 | 13 | 0 |
| 1997 | 14 | 0 |
| 1998 | 14 | 0 |
| 1999 | 18 | 0 |
| 2000 | 18 | 0 |
| 2001 | 21 | 3 |
| 2002 | 22 | 22 |
| 2003 | 15 | 18 |
| 2004 | 20 | 16 |
| 2005 | 12 | 12 |
| 2006 | 4 | 15 |
| 2007 | 3 | 16 |
| 2008 | 4 | 12 |
| 2009 | 7 | 14 |
| 2010 | 12 | 27 |
| 2011 | 6 | 26 |
| 2012 | 16 | 23 |
| 2013 | 24 | 36 |
| 2014 | 25 | 38 |
| 2015 | 19 | 37 |
| 2016 | 31 | 36 |
| 2017 | 32 | 39 |
| 2018 | 31 | 31 |
| 2019 | 24 | 28 |
| 2020 | 21 | 24 |
| 2021 | 18 | 39 |
| 2022 | 14 | 28 |
| 2023 | 14 | 38 |
| 2024 | 25 | 33 |
| 2025 | 14 | 30 |
| 2026 | 12 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Drug loaded peptide brush polymers14 Jul 2026US 12,678,510 B2Northwestern University
- Polyamide resin composition, molded article obtained by molding same, and methods for producing those16 Jun 2026US 12,655,253 B2Toray Industries, Inc.
- Polyamide recycling process and polyamide obtained by recycling process12 May 2026US 12,624,183 B2(Kingfa Sci. & Tech.Co., Ltd.)
- Therapeutic dendrimer5 May 2026US 12,616,711 B2Starpharma Pty Limited
- Aniline acid anhydride, preparation method therefor, and polyamino acid-grafted chain21 Apr 2026US 12,606,530 B2Soochow University
- Polyamide block copolymer, polyamide block copolymer composition, and molded article8 Oct 2026US 2026/0308332 A1Kuraray Co., Ltd.
- Polyurethane building block containing amide and urethane bonds17 Sep 2026US 2026/0275036 A1Cargill, Incorporated
- Radiopaque amino-functional poly(amino acid) compounds for medical applications27 Aug 2026US 2026/0248970 A1Boston Scientific Scimed, Inc.
- Method for recycling a polyamide under acidic conditions27 Aug 2026US 2026/0250482 A1Syensqo Specialty Polymers USA, LLC
- Condition-exploration microreactor system and process condition optimization method6 Aug 2026US 2026/0225062 A1Hitachi Plant Services Co., Ltd.
Most cited
By later US patents
- Dense star polymers having core, core branches, terminal groups293US 4,507,466 AThe Dow Chemical Company · 1985
- Dense star polymers and dendrimers260US 4,568,737 AThe Dow Chemical Company · 1986
- Compositions and methods for controlling particulate movement in wellbores and subterranean formations237US 6,439,309 B1BJ Services Company · 2002
- Dense star polymer227US 4,558,120 AThe Dow Chemical Company · 1985
- Hydrolytically-stable dense star polyamine191US 4,631,337 AThe Dow Chemical Company · 1986