Water reducible artists'
US5421875A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 17, 1994 |
| Grant date | Jun 6, 1995 |
| Priority date | — |
| Expiry date | May 17, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D5/06
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This invention provides a water-reducible oil paint, capable of maintaining a stable suspension of coloring pigment during storage, and having the mechanical, coloring and drying properties of a traditional oil paint and methods for making same. The oil paint comprises a pigment, a base gel composition and an emulsifier-amine soap composition; the base gel composition comprises a traditional drying or semi-drying oil or oil acid, a nonionic or mixed nonionic-anionic emulsifier, having an HLB value in the range of from about 8 to about 18, and a thixotropic gel stabilizer; the emulsifier-amine soap compositon comprises at least one amine soap of an acid, selected from mono- and di-unsaturated drying oil acids, and a nonionic or mixed nonionic-anionic emulsifier. In another embodiment of the invention, the oil paint comprises at least one pigment, a complementary stabilizer, an emulsifier, a polymeric dispersant, a traditional stabilizer, optionally a wetting agent, and a drying oil. The preferred embodiment of this invention is a high-solids artists oil paint.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.