Patent · US Active

Coating composition

US11840643B2 · kind B2 · utility

0Cited by
5References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 29, 2021
Grant dateDec 12, 2023
Priority date
Expiry dateJun 25, 2042

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L2205/03
  • WIPO fieldMacromolecular chemistry, polymers
  • 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.