Method for treating paint booth water systems

Details Method for treating paint booth water systems Method for treating paint booth water systems

2007-02-20

2007-02-20

Hruskoci, Peter A. (Department: 1724)

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

C095S152000, C134S038000, C210S735000, C210S930000

Reexamination Certificate

active

10454956

ABSTRACT:
The invention is a composition and method for treating paint booth water systems to facilitate paint removal. The composition comprises water, solid particles of insoluble organic polymer, such as, by way of non-limiting example, urea methanal copolymer, preferably including less than 50 weight percent of particles of diameter of 1 micron or less, and optionally surfactants, thickeners, polymeric flocculents different from the organic polymer, clarifiers, anti-corrosive components, and/or biocides.

REFERENCES:
patent: 4629572 (1986-12-01), Leitz et al.
patent: 4656059 (1987-04-01), Mizuno et al.
patent: 4904393 (1990-02-01), Mitchell et al.
patent: 5382378 (1995-01-01), Guerrini et al.
patent: 5599884 (1997-02-01), Beleck
patent: 6136220 (2000-10-01), Agree et al.
patent: 6627086 (2003-09-01), Mahoney et al.

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