Patent · US Expired

Reactive coatings comprising an acid-functional compound, an anhydride-functional compound, an epoxy-functional compound and a hydroxy-functional compound

US4871806A · kind A · utility

56Cited by
57References
37Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 16, 1987
Grant dateOct 3, 1989
Priority date
Expiry dateNov 16, 2007

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L63/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Curable compositions which comprise: PA1 (i) an acid-functional compound having an average of at least two carboxylic acid groups per molecule; and PA1 (ii) an anhydride-functional compound having an average of at least two cyclic carboxylic acid anhdyride groups per molecule; and PA1 (iii) an epoxy-functional compound having an average of at least one epoxy group per molecule; and PA1 (iv) a hydroxy-functional compound having an average of at least two hydroxyl groups per molecule; wherein at least one of the compounds (i), (ii), (iii) or (iv) comprises a film forming polymer.

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