Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1988-03-18
1989-07-11
Jacobs, Lewis T.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524548, 524556, C08K 336
Patent
active
048473090
ABSTRACT:
Methods for making foundry sand containing a binder by combining a dried powdered carboxylated polymer, partially in its salt form, with dry or wet foundry sand free of binder.
REFERENCES:
patent: 3679703 (1972-07-01), Conrady
patent: 4106944 (1978-08-01), Epstein
patent: 4163000 (1979-07-01), Kashima et al.
patent: 4183759 (1980-01-01), Epstein
patent: 4278581 (1981-07-01), Nakazawa
patent: 4585809 (1986-04-01), Auer et al.
Auer Heinz-Jochen
Klesse Wolfgang
Quis Peter
Jacobs Lewis T.
Rohm GmbH
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