C08G 64/307
And phenols
Official title: {and phenols}
C08G64/307 (And phenols) appears on 488 US grants and 386 published applications in this corpus.
Search patents in C08G- Granted patents
- 488
- Published applications
- 386
- Assignees
- 90
- Inventors
- 873
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 8 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 16 | 0 |
| 1995 | 25 | 0 |
| 1996 | 22 | 0 |
| 1997 | 20 | 0 |
| 1998 | 15 | 0 |
| 1999 | 14 | 0 |
| 2000 | 7 | 0 |
| 2001 | 40 | 4 |
| 2002 | 20 | 19 |
| 2003 | 29 | 38 |
| 2004 | 28 | 16 |
| 2005 | 7 | 12 |
| 2006 | 15 | 11 |
| 2007 | 9 | 16 |
| 2008 | 5 | 12 |
| 2009 | 20 | 13 |
| 2010 | 7 | 5 |
| 2011 | 6 | 8 |
| 2012 | 5 | 9 |
| 2013 | 6 | 5 |
| 2014 | 5 | 11 |
| 2015 | 12 | 14 |
| 2016 | 12 | 21 |
| 2017 | 17 | 22 |
| 2018 | 10 | 13 |
| 2019 | 14 | 12 |
| 2020 | 12 | 23 |
| 2021 | 13 | 12 |
| 2022 | 10 | 19 |
| 2023 | 2 | 20 |
| 2024 | 8 | 24 |
| 2025 | 18 | 22 |
| 2026 | 11 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polycarbonate and method for preparing same29 Sep 2026US 12,747,320 B2LG Chem.Ltd.
- Process for making transparent polymer-based materials for solar panels21 Jul 2026US 12,686,742 B2Saudi Arabian Oil Company
- 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.
- Oligomeriser with an improved feed system2 Jun 2026US 12,643,080 B2Sabic Global Technologies B.V.
- Process and apparatus for increasing the flexibility and robustness of a polycarbonate plant by means of a pre-transesterificationreaction technology9 Jul 2026US 2026/0193411 A1Epc Engineering & Technologies GmbH
- Thermoplastic resin and optical member21 May 2026US 2026/0139096 A1Teijin Limited
- Thermoplastic resin and optical lens including same26 Mar 2026US 2026/0085150 A1Mitsubishi Gas Chemical Company, Inc.
- Method for producing thermoplastic resin26 Feb 2026US 2026/0055233 A1Mitsubishi Gas Chemical Company, Inc.
- Polycarbonate resin composition15 Jan 2026US 2026/0015458 A1Mitsubishi Chemical Corporation
Most cited
By later US patents
- Process for preparing branched aromatic polycarbonates247US 6,437,083 B1General Electric Company · 2002
- Preparation of branched polycarbonate composition from cyclic aromatic polycarbonate oligomer, polyhydric phenol and polycarbonate107US 5,191,038 AGeneral Electric Company · 1993
- Two-step process for the preparation of a (co)polycarbonate by transesterification82US 5,498,688 ADaicel Chemical Industries, Ltd. · 1996
- Process for the preparation of thermoplastic polycarbonates77US 5,340,905 ABayer Aktiengesellschaft · 1994
- (Co)polycarbonate and process for producing the same77US 5,494,992 ADaicel Chemical Industries, Ltd. · 1996