C08F 20/64
Acids
Official title: Acids; Metal salts or ammonium salts thereof
C08F20/64 (Acids) appears on 14 US grants and 10 published applications in this corpus.
Search patents in C08F- Granted patents
- 14
- Published applications
- 10
- Assignees
- 16
- Inventors
- 24
- Latest grant
- 9 Mar 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 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 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 3 |
| 2015 | 3 | 1 |
| 2016 | 3 | 3 |
| 2017 | 2 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for the synthesis of acrylic (co)polymers from oligomers of acrylic acid9 Mar 2021US 10,941,231 B2Arkema France
- Processes of preparing estolide compounds that include removing sulfonate residues10 Oct 2017US 9,783,484 B2Biosynthetic Technologies, LLC
- Method for producing copolymer for semiconductor lithography containing reduced amount of metal impurities, and method for purifying polymerization initiator for production of copolymer17 Jan 2017US 9,546,133 B2Maruzen Petrochemical Co., Ltd.
- Polymers having chelating functionality24 May 2016US 9,346,899 B2Dow Global Technologies LLC
- Processes of preparing estolide compounds that include removing sulfonate residues24 May 2016US 9,346,900 B2Biosynthetic Technologies, LLC
- Method for the synthesis of acrylic (co)polymers from oligomers of acrylic acid6 Dec 2018US 2018/0346625 A1Coatex
- Processes of preparing estolide compounds that include removing sulfonate residues24 Nov 2016US 2016/0340289 A1Biosynthetic Technologies, LLC
- Compositions with ph responsive copolymer containing maep and/or mahp and methods for using same28 Apr 2016US 2016/0113856 A1
- Method for producing copolymer for semiconductor lithography containing reduced amount of metal impurities, and method for purifying polymerization initiator for production of copolymer28 Jan 2016US 2016/0023992 A1Maruzen Petrochemical Co., Ltd.
- Processes of preparing estolide compounds that include removing sulfonate residues5 Nov 2015US 2015/0315306 A1Biosynthetic Technologies, LLC
Most cited
By later US patents
- Compositions with pH responsive copolymer containing MAEP and/or MAHP and method for using same16US 9,228,041 B2Rhodia Operations · 2016
- Processes of preparing estolide compounds that include removing sulfonate residues13US 8,586,771 B1Biosynthetic Technologies, LLC · 2013
- Polymerization of fatty acids6US 4,776,983 AUnion Camp Corporation · 1988
- Fatty acid feed stock blend of red oil and soap stock for the preparation of dimer fatty acids5US 4,052,425 AKraft, Inc. · 1977
- Processes of preparing estolide compounds that include removing sulfonate residues5US 9,040,729 B2Biosynthetic Technologies, LLC · 2015