C08F 220/64
Acids
Official title: Acids; Metal salts or ammonium salts thereof
C08F220/64 (Acids) appears on 36 US grants and 32 published applications in this corpus.
Search patents in C08F- Granted patents
- 36
- Published applications
- 32
- Assignees
- 26
- Inventors
- 111
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 2 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 4 |
| 2015 | 3 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 3 |
| 2018 | 3 | 2 |
| 2019 | 2 | 2 |
| 2020 | 1 | 0 |
| 2021 | 2 | 7 |
| 2022 | 6 | 2 |
| 2023 | 2 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for preparing olefin-polar monomer copolymer30 Sep 2025US 12,428,505 B2Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
- Process for preparation of semi-crystalline functionalized olefin copolymer3 Oct 2023US 11,773,195 B2Sabic Global Technologies B.V.
- Photoinitiator modified polyacidic polymer18 Apr 2023US 11,628,125 B2DENTSPLY SIRONA Inc.
- Process for preparation of ethylene and propylene ionomer18 Oct 2022US 11,472,900 B2Sabic Global Technologies B.V.
- Process for preparation of amorphous functionalized olefin copolymer11 Oct 2022US 11,466,109 B2Sabic Global Technologies B.V.
- Method for preparing olefin-polar monomer copolymer15 Dec 2022US 2022/0396646 A1Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
- Process for preparation of semi-crystalline functionalized olefin copolymer29 Sep 2022US 2022/0306779 A1Sabic Global Technologies B.V.
- Process for preparation of semi-crystalline functionalized olefin copolymer25 Nov 2021US 2021/0363278 A1Sabic Global Technologies B.V.
- Process for preparation of semi-crystalline polyolefinic ionomers7 Oct 2021US 2021/0309775 A1Sabic Global Technologies B.V.
- Process for preparation of amorphous functionalized olefin copolymer25 Mar 2021US 2021/0087304 A1Sabic Global Technologies B.V.
Most cited
By later US patents
- Lewis acid-catalyzed polymerization of biological oils and resulting polymeric materials78US 6,211,315 B1Iowa State University Research Foundation, Inc. · 2001
- Compositions with pH responsive copolymer containing MAEP and/or MAHP and method for using same16US 9,228,041 B2Rhodia Operations · 2016
- Rosin-fatty acid vinylic polymers as sizing compositions12US 6,172,149 B2Westvaco Corporation · 2001
- Rosin-fatty acid vinylic polymers8US 6,437,033 B1Westvaco Corporation · 2002
- Rosin-fatty acid vinylic polymers as ink additives6US 6,433,052 B1Westvaco Corporation · 2002