C08G 63/91
Polymers modified by chemical after-treatment
C08G63/91 (Polymers modified by chemical after-treatment) appears on 1,416 US grants and 1,693 published applications in this corpus.
Search patents in C08G- Granted patents
- 1,416
- Published applications
- 1,693
- Assignees
- 886
- Inventors
- 4,245
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 19 | 0 |
| 1978 | 18 | 0 |
| 1979 | 16 | 0 |
| 1980 | 6 | 0 |
| 1981 | 9 | 0 |
| 1982 | 8 | 0 |
| 1983 | 7 | 0 |
| 1984 | 6 | 0 |
| 1985 | 10 | 0 |
| 1986 | 9 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 10 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 12 | 0 |
| 1994 | 22 | 0 |
| 1995 | 6 | 0 |
| 1996 | 22 | 0 |
| 1997 | 21 | 0 |
| 1998 | 21 | 0 |
| 1999 | 25 | 0 |
| 2000 | 19 | 0 |
| 2001 | 23 | 4 |
| 2002 | 34 | 39 |
| 2003 | 31 | 26 |
| 2004 | 28 | 42 |
| 2005 | 23 | 43 |
| 2006 | 26 | 45 |
| 2007 | 14 | 48 |
| 2008 | 18 | 37 |
| 2009 | 24 | 57 |
| 2010 | 22 | 57 |
| 2011 | 33 | 55 |
| 2012 | 38 | 60 |
| 2013 | 47 | 107 |
| 2014 | 65 | 76 |
| 2015 | 71 | 100 |
| 2016 | 53 | 92 |
| 2017 | 89 | 83 |
| 2018 | 68 | 78 |
| 2019 | 58 | 66 |
| 2020 | 48 | 89 |
| 2021 | 53 | 85 |
| 2022 | 49 | 78 |
| 2023 | 45 | 82 |
| 2024 | 63 | 98 |
| 2025 | 42 | 84 |
| 2026 | 35 | 62 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Aqueous self-crosslinkable polyurethane dispersions22 Sep 2026US 12,742,035 B2BASF SE
- Resin mixture, method of producing resin mixture, stretch blow molded product, and method of producing stretch blow molded product22 Sep 2026US 12,742,040 B2Canon Kabushiki Kaisha
- Battery, positive electrode plate, positive electrode slurry, and dispersant and preparation method thereof11 Aug 2026US 12,706,310 B2Contemporary Amperex Technology (Hong Kong) Limited
- Ester compound and resin composition7 Jul 2026US 12,674,019 B2Ajinomoto Co., Inc.
- Hydroxyl-terminated polyester resin, preparation method therefor and use thereof7 Jul 2026US 12,674,023 B2Kinte Materials Science and Technology Co., Ltd.
- Synthetic wax materials with degradable linkers8 Oct 2026US 2026/0308317 A1Board of Trustees of Michigan State University
- Branched polyester composition for powder coatings8 Oct 2026US 2026/0308411 A1Arkema Quimica SAU (ES/ES)
- Lactone-based vitrimers1 Oct 2026US 2026/0297246 A1Georgia Tech Research Corporation
- Accelerated peroxide-cured resin compositions having extended open times1 Oct 2026US 2026/0297249 A1Arkema Inc.
- Biodegradable composition and biodegradable film24 Sep 2026US 2026/0286046 A1LG Chem.Ltd.
Most cited
By later US patents
- Polyhydroxyalkanoate compositions having controlled degradation rates1,516US 6,867,248 B1Metabolix, Inc. · 2005
- Biocompatible crosslinked polymers366US 6,566,406 B1Incept, LLC · 2003
- Biocompatible crosslinked polymers282US 7,009,034 B2Incept, LLC · 2006
- Adhesion barriers applicable by minimally invasive surgery and methods of use thereof218US 7,347,850 B2Incept, LLC · 2008
- Reactive graft polymer with biodegradable polymer backbone and method for preparing reactive biodegradable polymers210US 5,610,241 ACornell Research Foundation, Inc. · 1997