Cleaner for anti-graffiti system
US4353745A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 26, 1981 |
| Grant date | Oct 12, 1982 |
| Priority date | — |
| Expiry date | Aug 26, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D5/20
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An aqueous composition which produces a clear, protective coating on a wide variety of surfaces, consisting essentially of a suspension of vinylidene polymers, ethylene glycol monoethyl ether, ethylene glycol monobutyl ether, a halogenated polysilane surfactant, sodium benzoate rust proofer, defoamer (mineral oil in ethylene glycol monobutyl ether), and water. A cleaning and priming composition is also provided, for removal of graffiti and the protective coating. The latter comprises preferably ethylene glycol monoethyl ether, methylene chloride, nonylphenol ethoxylate, triethanolamine, and water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.