C09D 5/443
Polyepoxides
Official title: {Polyepoxides}
C09D5/443 (Polyepoxides) appears on 539 US grants and 238 published applications in this corpus.
Search patents in C09D- Granted patents
- 539
- Published applications
- 238
- Assignees
- 98
- Inventors
- 701
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 8 | 0 |
| 1978 | 12 | 0 |
| 1979 | 10 | 0 |
| 1980 | 10 | 0 |
| 1981 | 18 | 0 |
| 1982 | 9 | 0 |
| 1983 | 11 | 0 |
| 1984 | 13 | 0 |
| 1985 | 18 | 0 |
| 1986 | 26 | 0 |
| 1987 | 17 | 0 |
| 1988 | 17 | 0 |
| 1989 | 16 | 0 |
| 1990 | 20 | 0 |
| 1991 | 33 | 0 |
| 1992 | 27 | 0 |
| 1993 | 18 | 0 |
| 1994 | 22 | 0 |
| 1995 | 18 | 0 |
| 1996 | 8 | 0 |
| 1997 | 11 | 0 |
| 1998 | 9 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 10 | 6 |
| 2002 | 12 | 13 |
| 2003 | 8 | 15 |
| 2004 | 7 | 6 |
| 2005 | 6 | 11 |
| 2006 | 1 | 9 |
| 2007 | 0 | 4 |
| 2008 | 3 | 5 |
| 2009 | 2 | 11 |
| 2010 | 2 | 19 |
| 2011 | 5 | 8 |
| 2012 | 11 | 6 |
| 2013 | 7 | 7 |
| 2014 | 6 | 11 |
| 2015 | 12 | 6 |
| 2016 | 5 | 12 |
| 2017 | 4 | 13 |
| 2018 | 10 | 6 |
| 2019 | 15 | 5 |
| 2020 | 8 | 16 |
| 2021 | 6 | 3 |
| 2022 | 4 | 7 |
| 2023 | 3 | 8 |
| 2024 | 7 | 20 |
| 2025 | 6 | 2 |
| 2026 | 8 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Two-layer dielectric coating11 Aug 2026US 12,706,311 B2PPG Industries Ohio, Inc.
- Epoxy resin and electrodeposition paint14 Jul 2026US 12,679,924 B2Kansai Paint Co., Ltd.
- Electrocoating composition7 Jul 2026US 12,674,063 B2Axalta Coating Systems IP Co., LLC
- Aqueous dispersions containing cationic polyvinyl alcohol modified polymer particles and aqueous electrocoating materials containing said dispersions16 Jun 2026US 12,655,283 B2BASF Coatings GmbH
- Electrocoating composition28 Apr 2026US 12,612,533 B2Axalta Coating Systems IP Co., LLC
- Method for the Corrosion-Protective Pretreatment of Components Comprising Surfaces of Zinc-Magnesium Hot-Dip Coated Steel8 Oct 2026US 2026/0308768 A1Henkel AG & Co. KGaA
- Method of improving the corrosion resistance of a metal substrate8 Oct 2026US 2026/0308797 A1PPG Industries Ohio, Inc.
- Electrocoating composition10 Sep 2026US 2026/0265546 A1Axalta Coating Systems IP Co., LLC
- Low Solvent Coating Composition27 Aug 2026US 2026/0250542 A1Akzo Nobel Coatings International B. V.
- Electrodepositable coating compositions and methods of coating substrates6 Aug 2026US 2026/0226294 A1PPG Industries Ohio, Inc.
Most cited
By later US patents
- Process for electrodepositing cationic compositions143US 3,984,299 APPG Industries, Inc. · 1976
- Method of electrodepositing self-crosslinking cationic compositions122US 3,947,338 APPG Industries, Inc. · 1976
- Amine acid salt-containing polymers for cationic electrodeposition106US 4,148,772 APPG Industries, Inc. · 1979
- Cationic electrodepositable compositions of blocked NCO and acid salt of adduct of amine and polyepoxide101US 4,031,050 APPG Industries, Inc. · 1977
- Cationic epoxide-amine reaction products95US 4,182,833 ACelanese Polymer Specialties Company · 1980