C08G 63/005
Polyesters prepared from ketenes
Official title: {Polyesters prepared from ketenes}
C08G63/005 (Polyesters prepared from ketenes) appears on 23 US grants and 19 published applications in this corpus.
Search patents in C08G- Granted patents
- 23
- Published applications
- 19
- Assignees
- 16
- Inventors
- 51
- Latest grant
- 21 Nov 2023
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 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 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 | 3 | 3 |
| 2004 | 2 | 1 |
| 2005 | 0 | 1 |
| 2006 | 3 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 9 |
| 2021 | 2 | 0 |
| 2022 | 5 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Controlled cure for compositions comprising acetoacetylated resins21 Nov 2023US 11,820,923 B2Eastman Chemical Company
- Curable compositions comprising acetoacetylated resins, aldehydes and certain amines20 Dec 2022US 11,530,342 B2Eastman Chemical Company
- Curable acetoacetylated resin compositions and additives comprising adhesion promoters, green strength enhancers, or combinations thereof4 Oct 2022US 11,459,493 B2Eastman Chemical Company
- Curable acetoacetylated resin compositions comprising aldehydes and certain basic catalysts20 Sep 2022US 11,447,670 B2Eastman Chemical Company
- Assembly components comprising curable compositions containing acetoacetylated resins6 Sep 2022US 11,434,400 B2Eastman Chemical Company
- Polyester resin composition, electrostatic charge image developing toner, developer, and image forming method25 Sep 2025US 2025/0298333 A1Konica Minolta, Inc.
- Method for preparing a polymer having ester functionality and said polymer prepared therefrom5 Jun 2025US 2025/0179252 A1Agency for Science, Technology and Research
- Aqueous dispersion of copolymer particles of vinyl acetate and a cyclic ketene acetal monomer15 Oct 2020US 2020/0325260 A1Rohm and Haas Company
- Preparation of an aqueous dispersion of copolymer particles of vinyl acetate and a cyclic ketene acetal monomer15 Oct 2020US 2020/0325261 A1Rohm and Haas Company
- Curable acetoacetylated resin compositions and additives comprising adhesion promoters, green strength enhancers, or combinations thereof11 Jun 2020US 2020/0181311 A1Eastman Chemical Company
Most cited
By later US patents
- Polymers containing carboxy-ortho ester and ortho ester linkages80US 4,946,931 APharmaceutical Delivery Systems, Inc. · 1990
- Polymers containing acetal, carboxy-acetal, ortho ester and carboxyortho ester linkages52US 4,957,998 APharmaceutical Delivery Systems, Inc. · 1990
- Use of a structure based on poly(dimethylketene) and objects comprising this structure13US 6,528,135 B1Atofina · 2003
- Flexible substrates comprising curable compositions containing acetoacetylated resins7US 11,261,359 B2Eastman Chemical Company · 2022
- Process for producing sorbic acid or its derivatives5US 4,296,243 ADaicel Corporation · 1981