C09D 5/4423
Polyesters, esterified polyepoxides
Official title: {Polyesters, esterified polyepoxides}
C09D5/4423 (Polyesters, esterified polyepoxides) appears on 48 US grants and 21 published applications in this corpus.
Search patents in C09D- Granted patents
- 48
- Published applications
- 21
- Assignees
- 20
- Inventors
- 85
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 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 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 5 |
| 2019 | 0 | 1 |
| 2020 | 5 | 3 |
| 2021 | 0 | 3 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 2 | 3 |
| 2025 | 2 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Water-based coating composition, and multi-layer coating film17 Mar 2026US 12,577,408 B2Nippon Paint Automotive Coatings Co., Ltd.
- Method of improving the corrosion resistance of a metal substrate10 Feb 2026US 12,546,024 B2PPG Industries Ohio, Inc.
- Formation of organic electro-grafted films on the surface of electrically conductive or semi-conductive surfaces30 Dec 2025US 12,509,791 B2Alchimedics
- Direct-to-metal coating composition25 Nov 2025US 12,480,002 B2Swimc LLC
- Formation of organic electro-grafted films on the surface of electrically conductive or semi-conductive surfaces3 Sep 2024US 12,077,878 B2Alchimedics
- Method of improving the corrosion resistance of a metal substrate8 Oct 2026US 2026/0308797 A1PPG Industries Ohio, Inc.
- Direct-to-metal coating composition6 Jun 2024US 2024/0182722 A1Swimc LLC
- Formation of organic electro-grafted films on the surface of electrically conductive or semi-conductive surfaces9 May 2024US 2024/0150922 A1Alchimedics
- Method of improving the corrosion resistance of a metal substrate2 May 2024US 2024/0141538 A1PPG Industries Ohio, Inc.
- Water-based coating composition, and multi-layer coating film29 Dec 2022US 2022/0411643 A1Nippon Paint Automotive Coatings Co., Ltd.
Most cited
By later US patents
- Water-borne coating composition made from epoxy resin, polymeric acid and tertiary amine111US 4,247,439 AE. I. Du Pont de Nemours and Company · 1981
- Water-borne coating composition made from modified epoxy resin, polymeric acid and tertiary amine48US 4,302,373 AE. I. Du Pont de Nemours and Company · 1981
- Electrodepositable coating from gelled epoxy-polyester and amine47US 6,437,055 B1PPG Industries Ohio, Inc. · 2002
- Method of electrodepositing quaternary sulfonium group-containing resins42US 3,959,106 APPG Industries, Inc. · 1976
- Electrocoating with water-borne coating composition made from epoxy resin, polymeric acid and tertiary amine29US 4,303,488 AE. I. Du Pont de Nemours and Company · 1981