Reactive coatings comprising an acid-functional compound, an anhydride-functional compound, an epoxy-functional compound and a hydroxy-functional compound
US4871806A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 16, 1987 |
| Grant date | Oct 3, 1989 |
| Priority date | — |
| Expiry date | Nov 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.