Catalysts for foundry core binders

Details Catalysts for foundry core binders Catalysts for foundry core binders

1984-06-22

1985-05-07

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

526193, 528242, 528408, C08G 8500

Patent

active

045159351

ABSTRACT:
Catalysts for foundry core binders prepared by reacting polyphosphoric acid with an alcohol.

REFERENCES:
patent: 2601497 (1952-06-01), Brown
patent: 3378502 (1968-04-01), Ferrholz et al.
patent: 3451968 (1969-06-01), Akiyama
patent: 3454683 (1969-07-01), Kamp et al.
patent: 3535284 (1970-10-01), Idelson et al.
patent: 3539534 (1970-11-01), Manganaro et al.
patent: 3984378 (1976-10-01), Kubota et al.
patent: 4031036 (1977-06-01), Koshar
patent: 4038198 (1977-07-01), Wagner et al.

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