C07C 68/06
From organic carbonates
Official title: from organic carbonates
C07C68/06 (From organic carbonates) appears on 302 US grants and 242 published applications in this corpus.
Search patents in C07C- Granted patents
- 302
- Published applications
- 242
- Assignees
- 137
- Inventors
- 635
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 6 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 11 | 0 |
| 1994 | 9 | 0 |
| 1995 | 11 | 0 |
| 1996 | 9 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 9 | 0 |
| 2001 | 5 | 2 |
| 2002 | 10 | 6 |
| 2003 | 7 | 6 |
| 2004 | 5 | 10 |
| 2005 | 5 | 9 |
| 2006 | 8 | 3 |
| 2007 | 1 | 26 |
| 2008 | 6 | 17 |
| 2009 | 13 | 25 |
| 2010 | 17 | 8 |
| 2011 | 11 | 8 |
| 2012 | 9 | 11 |
| 2013 | 9 | 11 |
| 2014 | 9 | 6 |
| 2015 | 10 | 11 |
| 2016 | 12 | 9 |
| 2017 | 12 | 11 |
| 2018 | 8 | 13 |
| 2019 | 5 | 5 |
| 2020 | 5 | 5 |
| 2021 | 6 | 3 |
| 2022 | 1 | 5 |
| 2023 | 2 | 9 |
| 2024 | 4 | 8 |
| 2025 | 4 | 13 |
| 2026 | 6 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus and method of producing dimethyl carbonate by reactive distillation using hybrid heat integration16 Jun 2026US 12,655,087 B2
- Method of preparing heterogeneous linear carbonate using catalyst having excellent solubility12 May 2026US 12,623,994 B2Lotte Chemical Corporation
- Method of preparing heterogeneous linear carbonate using amine-based compound catalyst12 May 2026US 12,623,995 B2Lotte Chemical Corporation
- Method for industrially producing dialkyl carbonate and diol12 May 2026US 12,623,996 B2Asahi Kasei Kabushiki Kaisha
- Ibuprofen ester derivative and emulsion preparation thereof21 Apr 2026US 12,606,517 B2Nanjing Heron Pharmaceutical Science and Technology Co., Ltd.
- Method for producing carbonate having ethyl group and apparatus for producing carbonate having ethyl group1 Oct 2026US 2026/0297015 A1Asahi Kasei Kabushiki Kaisha
- Depolymerization method for resin having fluorene skeleton, and product and application thereof15 Jan 2026US 2026/0015483 A1Osaka Gas Chemicals Co., Ltd.
- Method for degrading polycarbonate20 Nov 2025US 2025/0353989 A1Nan Ya Plastics Corporation
- Fluorinated electrolyte additives16 Oct 2025US 2025/0323319 A1E3Trigen, Inc.
- Synthetic method and synthetic system14 Aug 2025US 2025/0257479 A1Sekisui Chemical Co., Ltd.
Most cited
By later US patents
- Polycarbonate transesterification process201US 4,217,438 AGeneral Electric Company · 1980
- Poly(carbonates)176US 4,079,038 AAlza Corporation · 1978
- Depolymerization process82US 5,386,055 AThe University of Akron · 1995
- Process for continuously producing an aromatic carbonate64US 5,210,268 AAsahi Kasei Kogyo Kabushiki Kaisha · 1993
- Process for production of ethylene glycol and dimethyl carbonate59US 4,691,041 ATexaco Inc. · 1987