Patent · US Active

Wash primer composition

US11845878B2 · kind B2 · utility

0Cited by

4References

20Claims

0Family size

Assignee

AXALTA COATING SYSTEMS IP CO., LLC · US

Inventors

Eric C. Houze · Mullica Hill, US
Anja Lothert · Philadelphia, US
Gaurang Bhargava · Monmouth Junction, US
Martin Wendt · Philadelphia, US
Robert C. Nahas · Voorhees, US
Iain Harvey · Crystal Lake, US

Key dates

Filing date	Jul 31, 2019
Grant date	Dec 19, 2023
Priority date	—
Expiry date	Dec 21, 2040

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K2003/329
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A coating composition includes a (A) binder component and a (B) pigment component. The (A) binder component includes (A1) polyvinyl butyrate, (A2) a particular film forming resin, (A3) an acid, (A4) an optional functionalized tri-alkoxy silane, and (A5) an optional polymeric phosphate ester. The (B) pigment component includes (B1) a calcium ion-exchanged silica, (B2) a corrosion inhibiting pigment, and (B3), a polyalkylene oxide phosphate. The coating composition is formed by combining the aforementioned components. In a method, the coating composition is applied to a substrate.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.