Patent · US Expired

Cleaner for anti-graffiti system

US4353745A · kind A · utility

32Cited by
10References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 26, 1981
Grant dateOct 12, 1982
Priority date
Expiry dateAug 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.