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US 5,330,788 AGranted
Temporary coating system
AssigneeHenkel Corporation
InventorWilbert J. Roberts
Life of this patent
Estimating the term…
Abstract
The invention is a composition for providing a temporary coating to protect the surface of an article and a solvent free composition for rapidly removing the coating from the article. The invention also includes a method for protecting a surface of an article and a system for carrying out the process.
Claims31
A weather resistant, rapidly removable, temporary coating composition which comprises:
- (a) from about 3 to about 25% by weight of a film forming acrylic polymer, an acrylic copolymer or a mixture thereof;
- (b) from about 0.1 to about 5% by weight of a nonionic surfactant comprising a hydroxylated or ethoxylated acetylenically unsaturated hydrophobic moiety;
- (c) from 0 to about 10% by weight of an anionic phosphate ester surfactant;
- (d) from about 0.5 to about 10% by weight of a neutralizing agent, above the amount associated with the polymer and anionic surfactant;
- and
- (e) water.
3 more elements
A coating remover composition which comprises
- (a) from about 5 to about 35% by weight of a dialkyl alkanolamine;
- (b) from about 2 to about 15% by weight of a primary monoalkanolamine;
- (c) from about 1/2 to about 15% by weight of a nonionic surfactant;
- (d) from about 0.1 to about 10% by weight of a chelating agent;
- (e) from about 1/2 to about 20% by weight of a polyethylene glycol with a mole weight of from about 200 to about 4,000;
- (f) from about 0.1 to about 10% by weight of an anionic surfactant;
- and
- (g) water.
5 more elements
Dependencies are inferred from the claim text.