C08G 63/20
Polyesters having been prepared in the presence of compounds having one reactive
Official title: Polyesters having been prepared in the presence of compounds having one reactive group or more than two reactive groups
C08G63/20 (Polyesters having been prepared in the presence of compounds having one reactive) appears on 608 US grants and 459 published applications in this corpus.
Search patents in C08G- Granted patents
- 608
- Published applications
- 459
- Assignees
- 323
- Inventors
- 1,707
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 11 | 0 |
| 1978 | 25 | 0 |
| 1979 | 22 | 0 |
| 1980 | 15 | 0 |
| 1981 | 17 | 0 |
| 1982 | 4 | 0 |
| 1983 | 8 | 0 |
| 1984 | 8 | 0 |
| 1985 | 8 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 2 | 0 |
| 1989 | 9 | 0 |
| 1990 | 10 | 0 |
| 1991 | 15 | 0 |
| 1992 | 8 | 0 |
| 1993 | 15 | 0 |
| 1994 | 29 | 0 |
| 1995 | 12 | 0 |
| 1996 | 18 | 0 |
| 1997 | 12 | 0 |
| 1998 | 11 | 0 |
| 1999 | 16 | 0 |
| 2000 | 14 | 0 |
| 2001 | 16 | 3 |
| 2002 | 8 | 10 |
| 2003 | 17 | 11 |
| 2004 | 10 | 27 |
| 2005 | 7 | 16 |
| 2006 | 16 | 13 |
| 2007 | 15 | 19 |
| 2008 | 10 | 19 |
| 2009 | 8 | 18 |
| 2010 | 7 | 22 |
| 2011 | 12 | 23 |
| 2012 | 13 | 12 |
| 2013 | 14 | 19 |
| 2014 | 11 | 11 |
| 2015 | 11 | 6 |
| 2016 | 16 | 6 |
| 2017 | 3 | 13 |
| 2018 | 9 | 18 |
| 2019 | 12 | 9 |
| 2020 | 10 | 13 |
| 2021 | 7 | 19 |
| 2022 | 10 | 24 |
| 2023 | 10 | 29 |
| 2024 | 13 | 42 |
| 2025 | 15 | 34 |
| 2026 | 19 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Aqueous self-crosslinkable polyurethane dispersions22 Sep 2026US 12,742,035 B2BASF SE
- Composition for forming resist underlayer film1 Sep 2026US 12,724,347 B2Nissan Chemical Corporation
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus1 Sep 2026US 12,724,355 B2FUJIFILM Business Innovation Corp.
- Battery, positive electrode plate, positive electrode slurry, and dispersant and preparation method thereof11 Aug 2026US 12,706,310 B2Contemporary Amperex Technology (Hong Kong) Limited
- Polyester, polyesteramide, and polyamide compositions9 Jun 2026US 12,649,821 B2
- Branched polyester composition for powder coatings8 Oct 2026US 2026/0308411 A1Arkema Quimica SAU (ES/ES)
- Aliphatic polyester, polyester composition containing same, and use thereof10 Sep 2026US 2026/0265455 A1(Kingfa Sci. & Tech.Co., Ltd.)
- Crystalline polyester resin aqueous dispersion, coating composition, coating film, and metal can6 Aug 2026US 2026/0226308 A1TOYOBO MC Corporation
- Coating compositions with catalytic system23 Jul 2026US 2026/0209431 A1PPG Industries Ohio, Inc.
- Marine biodegradable polymer compound, method for producing same, and marine biodegradable resin composition16 Jul 2026US 2026/0201123 A1Nisshinbo Holdings Inc.
Most cited
By later US patents
- Bisphenol-A/terephthalate/carbonate melt processable copolymers200US 4,156,069 AAllied Chemical Corporation · 1979
- Modified copolyesters and improved multilayer reflective films161US 6,352,761 B13M Innovative Properties Company · 2002
- Dendritic macromolecule and process for preparation thereof142US 5,418,301 APerstorp AB · 1995
- Process for preparing copolyesters of terephthalic acid ethylene glycol and 1 4-cyclohexanedimethanol exhibiting a neutral hue high clarity and increased brightness137US 5,681,918 AEastman Chemical Company · 1997
- Water-dispersible polyester resins and process for their preparation85US 5,218,042 A1993