C09K 23/40
Phenols
C09K23/40 (Phenols) appears on 8 US grants and 4 published applications in this corpus.
Search patents in C09K- Granted patents
- 8
- Published applications
- 4
- Assignees
- 6
- Inventors
- 27
- Latest grant
- 30 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 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 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Carbonate-based solvents for scale-squeeze enhancement30 Apr 2024US 11,970,657 B2Baker Hughes Oilfield Operations LLC
- Method for producing polyisobutenylphenols6 Jul 2010US 7,750,193 B2BASF SE
- Ethanol-diesel fuel composition and methods thereof24 Apr 2007US 7,208,022 B2The Lubrizol Corporation
- Polyphenolic vegetable extract/surfactant compositions as universal bitumen/water emulsifiers22 Jul 1997US 5,650,000 ASaramco, Inc.
- Polyacrylic acid compositions for textile processing13 May 1997US 5,629,376 APeach State Labs, Inc.
- Carbonate-based solvents for scale-squeeze enhancement30 Nov 2023US 2023/0383172 A1Baker Hughes Oilfield Operations LLC
- Method for producing polyisobutenylphenols29 Jan 2009US 2009/0025284 A1BASF SE
- Surfactants derived from phenolic aldehydes28 Dec 2006US 2006/0293397 A1
- Ethanol-diesel fuel composition and methods thereof4 Aug 2005US 2005/0166447 A1The Lubrizol Corporation
Most cited
By later US patents
- Polyacrylic acid compositions for textile processing28US 5,629,376 APeach State Labs, Inc. · 1997
- Stable finely dispersed aqueous formulations of disperse dyes and optical brighteners, and their use16US 4,218,218 ABASF SE · 1980
- Additives12US 4,117,011 AEthyl Corporation · 1978
- Ethanol-diesel fuel composition and methods thereof10US 7,208,022 B2The Lubrizol Corporation · 2007
- Polyphenolic vegetable extract/surfactant compositions as universal bitumen/water emulsifiers8US 5,650,000 ASaramco, Inc. · 1997