Compositions – Water-softening or purifying or scale-inhibiting agents – Plant or organic material containing
Patent
1992-10-21
1995-06-13
Schofer, Joseph L.
Compositions
Water-softening or purifying or scale-inhibiting agents
Plant or organic material containing
210698, 526 62, C09D 104
Patent
active
054240034
ABSTRACT:
A polymer scale preventive agent for coating internal reactor surfaces. The coating is a condensation product of an aromatic amine and a quinone in an alkaline solvent, used in conjunction with colloidal silica and/or alkali metal silicates.
REFERENCES:
patent: 4019859 (1977-04-01), Lavin et al.
patent: 4220743 (1980-09-01), Englin
patent: 4795800 (1989-01-01), Yamauchi et al.
patent: 4929382 (1990-05-01), Stenger et al.
Shimizu Toshihide
Watanabe Mikio
Schofer Joseph L.
Shin-Etsu Chemical Co. , Ltd.
Weber Tom
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