C07C 68/02
From phosgene or haloformates
Official title: from phosgene or haloformates
C07C68/02 (From phosgene or haloformates) appears on 198 US grants and 112 published applications in this corpus.
Search patents in C07C- Granted patents
- 198
- Published applications
- 112
- Assignees
- 93
- Inventors
- 446
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 9 | 0 |
| 1978 | 15 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 8 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 2 |
| 2002 | 10 | 7 |
| 2003 | 4 | 3 |
| 2004 | 2 | 2 |
| 2005 | 4 | 2 |
| 2006 | 1 | 4 |
| 2007 | 2 | 4 |
| 2008 | 1 | 4 |
| 2009 | 4 | 6 |
| 2010 | 2 | 4 |
| 2011 | 2 | 6 |
| 2012 | 2 | 7 |
| 2013 | 7 | 5 |
| 2014 | 4 | 6 |
| 2015 | 4 | 5 |
| 2016 | 2 | 4 |
| 2017 | 7 | 8 |
| 2018 | 7 | 6 |
| 2019 | 1 | 5 |
| 2020 | 5 | 5 |
| 2021 | 2 | 4 |
| 2022 | 2 | 5 |
| 2023 | 2 | 2 |
| 2024 | 3 | 1 |
| 2025 | 2 | 4 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of producing carbonyl compound and flow type reaction system of producing carbonyl compound23 Jun 2026US 12,662,447 B2FUJIFILM Corporation
- Fluorinated electrolyte additives5 Aug 2025US 12,381,258 B2E3Trigen, Inc.
- Lipid compound containing carbamate bond and applications thereof3 Jun 2025US 12,319,644 B2Rongcan (Shanghai) Biotech Co., Ltd.
- Production method of asymmetric chain carbonate10 Dec 2024US 12,162,832 B2Daikin Industries, Ltd.
- Spirobiindane derivatives and a process for preparation thereof1 Oct 2024US 12,103,913 B2Reliance Industries Limited
- Method for producing carbonyl halide28 May 2026US 2026/0145949 A1Mitsubishi Gas Chemical Company, Inc.
- Method for preparing beraprost 314-d sodium4 Dec 2025US 2025/0368611 A1CytoAgents, Inc.
- Fluorinated electrolyte additives16 Oct 2025US 2025/0323319 A1E3Trigen, Inc.
- Production method of asymmetric chain carbonate13 Feb 2025US 2025/0051258 A1Daikin Industries, Ltd.
- A lipid compound containing carbamate bond and applications thereof2 Jan 2025US 2025/0002451 A1Rongcan (Shanghai) Biotech Co., Ltd.
Most cited
By later US patents
- Poly(carbonates)176US 4,079,038 AAlza Corporation · 1978
- Process for making modulators of cystic fibrosis transmembrane conductance regulator83US 8,476,442 B2Vertex Pharmaceutical Incorporated · 2013
- Process for making modulators of cystic fibrosis transmembrane conductance regulator71US 8,765,957 B2Vertex Pharmaceuticals Incorporated · 2014
- Process for making modulators of cystic fibrosis transmembrane conductance regulator70US 8,835,639 B2Vertex Pharmaceuticals Incorporated · 2014
- Process for making modulators of cystic fibrosis transmembrane conductance regulator55US 9,371,287 B2Vertex Pharmaceuticals Incorporated · 2016