C07C 409/32
The —o—o— group being bound between two >c=o groups
Official title: the —O—O— group being bound between two >C=O groups
C07C409/32 (The —o—o— group being bound between two >c=o groups) appears on 59 US grants and 24 published applications in this corpus.
Search patents in C07C- Granted patents
- 59
- Published applications
- 24
- Assignees
- 39
- Inventors
- 126
- Latest grant
- 18 Apr 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 1 |
| 2004 | 2 | 2 |
| 2005 | 1 | 0 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 2 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 3 |
| 2019 | 2 | 2 |
| 2020 | 1 | 3 |
| 2021 | 3 | 2 |
| 2022 | 1 | 0 |
| 2023 | 2 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Formulation of di(4-tert-butylcyclohexyl) peroxydicarbonate18 Apr 2023US 11,629,240 B2Nouryon Chemicals International B. V.
- Perfluoro diacyl peroxide as polymerization initiator and polymer preparation method7 Feb 2023US 11,572,343 B2Daikin Industries, Ltd.
- Powder mixture comprising organic peroxide11 Jan 2022US 11,220,608 B2Nouryon Chemicals International B. V.
- Storage stable aqueous organic peroxide emulsions13 Jul 2021US 11,059,779 B2Nouryon Chemicals International B. V.
- Online continuous flow process for the synthesis of organic peroxides using hydrogen peroxide as raw material16 Mar 2021US 10,947,189 B2Shanghai Hybrid-Chem Technologies
- Method for preparing a composition in powder form comprising at least one solid organic peroxide2 Jul 2026US 2026/0184677 A1Arkema France
- Composition containing fluorine-containing polymer, method for producing fluorine-containing polymer, and ultraviolet light-emitting element lens containing fluorine-containing polymer12 Mar 2026US 2026/0071013 A1Daikin Industries, Ltd.
- Perfluoro diacyl peroxide, solution, polymerization initiator, polymer preparation method, and perfluoro acyl chloride4 Feb 2021US 2021/0032201 A1Daikin Industries, Ltd.
- Formulation of di(4-tert-butylcyclohexyl) peroxydicarbonate14 Jan 2021US 2021/0009786 A1Nouryon Chemicals International B. V.
- Powder mixture comprising organic peroxide24 Sep 2020US 2020/0299522 A1Nouryon Chemicals International B. V.
Most cited
By later US patents
- Process for the use of antioxidant-peroxides to cure and enhance the stability of polymers28US 5,516,856 AElf Atochem North America, Inc. · 1996
- Unsaturated aromatic peroxides and their use in pharmaceutical and cosmetic compositions26US 4,803,228 AL'oreal · 1989
- Azo free radical initiators containing ultraviolet light stabilizing groups24US 3,956,269 APennwalt Corporation · 1976
- Method for preparing small sized benzoyl peroxide crystals21US 4,401,835 AWarner-Lambert Company · 1983
- Bleaching composition16US 4,134,850 AInterox Chemicals Limited · 1979