C08G 64/14
Containing a chain-terminating or -crosslinking agent
Official title: containing a chain-terminating or -crosslinking agent
C08G64/14 (Containing a chain-terminating or -crosslinking agent) appears on 361 US grants and 184 published applications in this corpus.
Search patents in C08G- Granted patents
- 361
- Published applications
- 184
- Assignees
- 68
- Inventors
- 629
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 8 | 0 |
| 1982 | 4 | 0 |
| 1983 | 9 | 0 |
| 1984 | 10 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 8 | 0 |
| 1989 | 12 | 0 |
| 1990 | 20 | 0 |
| 1991 | 13 | 0 |
| 1992 | 10 | 0 |
| 1993 | 10 | 0 |
| 1994 | 9 | 0 |
| 1995 | 10 | 0 |
| 1996 | 7 | 0 |
| 1997 | 13 | 0 |
| 1998 | 8 | 0 |
| 1999 | 11 | 0 |
| 2000 | 8 | 0 |
| 2001 | 11 | 0 |
| 2002 | 11 | 4 |
| 2003 | 8 | 12 |
| 2004 | 10 | 12 |
| 2005 | 4 | 3 |
| 2006 | 6 | 4 |
| 2007 | 4 | 9 |
| 2008 | 4 | 8 |
| 2009 | 8 | 8 |
| 2010 | 6 | 6 |
| 2011 | 5 | 5 |
| 2012 | 2 | 9 |
| 2013 | 10 | 3 |
| 2014 | 0 | 19 |
| 2015 | 9 | 10 |
| 2016 | 9 | 10 |
| 2017 | 14 | 14 |
| 2018 | 12 | 3 |
| 2019 | 7 | 2 |
| 2020 | 2 | 9 |
| 2021 | 1 | 5 |
| 2022 | 4 | 7 |
| 2023 | 3 | 3 |
| 2024 | 5 | 9 |
| 2025 | 2 | 4 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for producing polycarbonate—point of addition of the chain terminator14 Jul 2026US 12,679,930 B2Covestro Intellectual Property GmbH & Co.KG
- Curable resin composition, molded article and method for producing same10 Feb 2026US 12,545,756 B2Mitsubishi Gas Chemical Company, Inc.
- Polycarbonate resin composition8 Jul 2025US 12,351,680 B2Mitsubishi Gas Chemical Company, Inc.
- Polycarbonate resin composition20 May 2025US 12,304,997 B2Mitsubishi Gas Chemical Company, Inc.
- Curable resin, curable resin composition, and cured product3 Dec 2024US 12,157,793 B2DIC Corporation
- Electronic substrate material, resin, and method for manufactoring resin10 Sep 2026US 2026/0265573 A1Idemitsu Kosan Co., Ltd.
- Electronic substrate material, resin, and production method for resin30 Jul 2026US 2026/0217910 A1Idemitsu Kosan Co., Ltd.
- Electrolytic solution containing polycarbonate resin and electrolyte obtained therefrom30 Jul 2026US 2026/0221506 A1Mitsubishi Gas Chemical Company, Inc.
- Polycarbonate resin and molded article9 Apr 2026US 2026/0098125 A1Mitsubishi Gas Chemical Company, Inc.
- Polycarbonate resin, resin solution, and film5 Feb 2026US 2026/0035511 A1Mitsubishi Gas Chemical Company, Inc.
Most cited
By later US patents
- Process for preparing a branched polycarbonate273US 4,001,184 AGeneral Electric Company · 1977
- Process for preparing branched aromatic polycarbonates247US 6,437,083 B1General Electric Company · 2002
- Branched, high-molecular weight thermoplastic polycarbonates125US 4,185,009 ABayer Aktiengesellschaft · 1980
- Preparation of branched polycarbonate composition from cyclic aromatic polycarbonate oligomer, polyhydric phenol and polycarbonate107US 5,191,038 AGeneral Electric Company · 1993
- Polycarbonate preparation process90US 6,225,436 B1The Dow Chemical Company · 2001