Binder based on phenolic resins of the benzyl ether type, containing free phenol and free hydroxybenzyl alcohols

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United States of America Patent

PATENT NO 11466117
SERIAL NO

16472380

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Abstract

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The invention relates to a binder based on phenolic resins of the benzyl ether type and isocyanate compounds having at least two isocyanate groups, containing free phenol and free hydroxybenzyl alcohols in the polyol component. The invention further relates to mold material mixtures containing the binder and to cores, molds, or risers produced with the mold material mixtures and to the use thereof in metal casting.

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Patent Owner(s)

Patent OwnerAddress
ASK CHEMICALS GMBHREISHOLZSTRASSE 16-18 HILDEN 40721

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Priebe, Christian Wülfrath, DE 23 96
Schneider, Philipp Düsseldorf, DE 15 148
Stancliff, Mark Herefordshire, GB 1 2
Weaver, Brian Worcestershire, GB 17 130

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