C08F 220/66
Anhydrides
C08F220/66 (Anhydrides) appears on 5 US grants and 7 published applications in this corpus.
Search patents in C08F- Granted patents
- 5
- Published applications
- 7
- Assignees
- 6
- Inventors
- 26
- Latest grant
- 2 Feb 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 3 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year.
Recent patents
- Cationic surface sizing agent2 Feb 2021US 10,907,307 B2Kemira Oyj
- Cyanoacrylate compositions10 Oct 2017US 9,783,714 B2Henkel IP & Holding GmbH
- Thiosulfate polymer compositions and articles26 Sep 2017US 9,772,552 B2Eastman Kodak Company
- Thiosulfate polymers22 Nov 2016US 9,499,650 B2Eastman Kodak Company
- Continuously operated method for producing copolymers11 Feb 2014US 8,648,158 B2Construction Research & Technology GmbH
- Cationic surface sizing agent3 Jan 2019US 2019/0003124 A1Kemira Oyj
- Thiosulfate polymer compositions and articles25 Sep 2014US 2014/0287349 A1Eastman Kodak Company
- Thiosulfate polymers25 Sep 2014US 2014/0288253 A1Eastman Kodak Company
- Cyanoacrylate compositions18 Sep 2014US 2014/0262021 A1Henkel Ireland Limited
- Continuously Operated Method for Producing Copolymers8 Mar 2012US 2012/0059091 A9Construction Research & Technology GmbH
Most cited
By later US patents