C07C 17/367
By depolymerisation
Official title: by depolymerisation
C07C17/367 (By depolymerisation) appears on 19 US grants and 17 published applications in this corpus.
Search patents in C07C- Granted patents
- 19
- Published applications
- 17
- Assignees
- 14
- Inventors
- 75
- Latest grant
- 29 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 2 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 2 | 4 |
| 2022 | 3 | 0 |
| 2023 | 1 | 2 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process of making fluoroolefins by thermal decomposition of fluorinated ionomers29 Apr 2025US 12,286,387 B23M Innovative Properties Company
- Upcycling perfluoropolymers into fluorinated olefins24 Oct 2023US 11,795,126 B23M Innovative Properties Company
- Method for modifying fluorine distribution in a hydrocarbon compound4 Oct 2022US 11,459,286 B2Arkema France
- Method for producing tetrafluoroethylene and/or hexafluoropropylene30 Aug 2022US 11,427,520 B2Daikin Industries, Ltd.
- Method for producing tetrafluoromethane11 Jan 2022US 11,220,471 B2Showa Denko K. K.
- Method for producing low-molecular-weight fluorine compound19 Feb 2026US 2026/0049196 A1Daikin Industries, Ltd.
- Fluoromonomer production method5 Feb 2026US 2026/0035534 A1AGC Inc.
- Fluoromonomer production method5 Feb 2026US 2026/0035539 A1AGC Inc.
- Method for producing low-molecular-weight fluorine compound6 Feb 2025US 2025/0043096 A1Daikin Industries, Ltd.
- Depolymerization of polyurethanes for circular economy plastics5 Dec 2024US 2024/0400786 A1International Business Machines Corporation
Most cited
By later US patents
- Depolymerization process82US 5,386,055 AThe University of Akron · 1995
- Treatment of fluorocarbon feedstocks73US 7,166,198 B23M Innovative Properties Company · 2007
- Alpha-methyl-p-bromo-styrene and method of preparation33US 3,959,398 AThe Goodyear Tire & Rubber Company · 1976
- Generation of CF.sub.4 from Teflon for reactive atmosphere processing and growth of metal fluorides12US 4,128,589 AHughes Aircraft Company · 1978
- Perfluoroolefin and perfluoroparaffin mixture and process for making same9US 4,225,404 AAkademie der Wissenschaften der DDR · 1980