C08G 64/42
Chemical after-treatment
C08G64/42 (Chemical after-treatment) appears on 297 US grants and 324 published applications in this corpus.
Search patents in C08G- Granted patents
- 297
- Published applications
- 324
- Assignees
- 158
- Inventors
- 796
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 0 |
| 2002 | 9 | 9 |
| 2003 | 8 | 7 |
| 2004 | 7 | 4 |
| 2005 | 3 | 2 |
| 2006 | 3 | 7 |
| 2007 | 1 | 8 |
| 2008 | 1 | 3 |
| 2009 | 4 | 6 |
| 2010 | 3 | 11 |
| 2011 | 5 | 10 |
| 2012 | 7 | 13 |
| 2013 | 8 | 19 |
| 2014 | 12 | 21 |
| 2015 | 19 | 22 |
| 2016 | 18 | 18 |
| 2017 | 23 | 23 |
| 2018 | 17 | 16 |
| 2019 | 17 | 22 |
| 2020 | 13 | 24 |
| 2021 | 20 | 9 |
| 2022 | 10 | 15 |
| 2023 | 6 | 13 |
| 2024 | 8 | 17 |
| 2025 | 5 | 16 |
| 2026 | 6 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Chlorosulfonated polypropylene carbonate, and production method and use thereof6 Oct 2026US 12,753,278 B2Changchun Institute of Applied Chemistry Chinese Academy of Sciences
- Monomer composition for synthesizing recycled plastic, preparation method thereof, recycled plastic, and molded product using the same16 Jun 2026US 12,655,266 B2LG Chem.Ltd.
- Monomer composition for synthesizing recycled plastic, preparation method thereof, recycled plastic, and molded product using the same16 Jun 2026US 12,655,267 B2LG Chem.Ltd.
- Supramolecular biomedical polymers10 Mar 2026US 12,570,804 B2SupraPolix B.V.
- Curable resin composition, molded article and method for producing same10 Feb 2026US 12,545,756 B2Mitsubishi Gas Chemical Company, Inc.
- Method for producing polycarbonate beads17 Sep 2026US 2026/0275065 A1Covestro Deutschland AG
- Polycarbonate-based vitrimer materials and corresponding methods30 Jul 2026US 2026/0217911 A1
- Surface-active agent30 Jul 2026US 2026/0218055 A1Econic Technologies Ltd.
- Reactive group-containing polycarbonate compound, new silicone elastomer particles using same, cosmetic material composition, and other use application23 Jul 2026US 2026/0209445 A1Dow Toray Co., Ltd.
- Polycarbonate oligomer having unsaturated double bonds, preparation method therefor, and curable composition26 Feb 2026US 2026/0055234 A1Swancor Innovation & Incubation Co., Ltd.
Most cited
By later US patents
- Polyesters154US 5,849,859 ANovartis AG · 1998
- Redistributed polycarbonate resin62US 6,492,485 B1General Electric Company · 2002
- Organic-inorganic hybrid polymer materials with compositional gradient, and processes for preparing the same58US 6,395,341 B1Orient Chemical Industries, Ltd. · 2002
- Biocompatible polymers for medical devices44US 8,252,887 B2Rutgers, The State University of New Jersey · 2012
- Process for producing aromatic polycarbonate42US 6,300,459 B1Teijin Limited · 2001