C07C 309/44
Containing doubly-bound oxygen atoms bound to the carbon skeleton
Official title: containing doubly-bound oxygen atoms bound to the carbon skeleton
C07C309/44 (Containing doubly-bound oxygen atoms bound to the carbon skeleton) appears on 49 US grants and 46 published applications in this corpus.
Search patents in C07C- Granted patents
- 49
- Published applications
- 46
- Assignees
- 37
- Inventors
- 134
- Latest grant
- 24 Feb 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 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 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 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 3 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 6 | 10 |
| 2015 | 5 | 6 |
| 2016 | 0 | 2 |
| 2017 | 9 | 3 |
| 2018 | 3 | 1 |
| 2019 | 1 | 3 |
| 2020 | 2 | 3 |
| 2021 | 1 | 3 |
| 2022 | 3 | 0 |
| 2023 | 2 | 2 |
| 2024 | 3 | 3 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tyrosinase-inhibiting molecules and dermopharmaceutical composition that includes them24 Feb 2026US 12,558,302 B2Mesoestetic Pharma Group, S.L
- Perovskite layer, fabrication method and use the same2 Sep 2025US 12,408,548 B2City University of Hong Kong
- Polyphenylenes, methods, and uses thereof10 Sep 2024US 12,084,554 B2Simon Fraser University
- Polyphenylenes, methods, and uses thereof30 Apr 2024US 11,970,590 B2Simon Fraser University
- Aminated lignin-derived compounds and uses thereof6 Feb 2024US 11,891,349 B2CMBlu Energy AG
- Radiation-sensitive composition, method for forming pattern and onium salt compound5 Mar 2026US 2026/0063994 A1Jsr Corporation
- Perovskite layer, fabrication method and use the same1 May 2025US 2025/0143173 A1City University of Hong Kong
- Onium salt type monomer, polymer, chemically amplified resist composition, and pattern forming process17 Apr 2025US 2025/0123566 A1Shin-Etsu Chemical Co., Ltd.
- Dopant solution for conductive polymer, monomer liquid for producing conductive polymer, conductive composition and method for producing same, and electrolytic capacitor and method for producing same1 Aug 2024US 2024/0254317 A1Tayca Corporation
- Tyrosinase-inhibiting molecules and dermopharmaceutical composition that includes them20 Jun 2024US 2024/0197601 A1Mesoestetic Pharma Group, S.L
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- Macrocyclic anti-viral compound and method16US 5,196,452 AGenelabs Incorporated · 1993
- Antithrombotic treatment with calix(n)arene compounds14US 5,409,959 AGenelabs Incorporated · 1995