Binder mixture
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United States of America Patent
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Apr 19, 1994
Grant Date -
N/A
app pub date -
Oct 25, 1991
filing date -
May 15, 1990
priority date (Note) -
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Abstract
Mixtures consisting of a phenolic resin, a hardener, and residues from bisphenol-A production in the ratio of 1:9 to 9:1 are used for the production of binder mixtures for thermostable molding materials. Usable for said purpose are binders with a minimum content of phenolic resin of 10%.
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