C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
22/158, 400/5418
C08L 61/06 (2006.01) B22C 1/22 (2006.01) B22C 9/00 (2006.01) B29B 11/14 (2006.01) C08G 18/40 (2006.01) C08G 18/54 (2006.01)
Patent
CA 2001869
ABSTRACT Certain polyester polyols are used in polyurethane- forming binders to improve the shakeout of molds and cores, made by a cold-box process, used to make low melting metal castings. -23-
Carpenter W. Graham
Dunnavant William R.
Ashland Oil Inc.
Carpenter W. Graham
Dunnavant William R.
Gowling Lafleur Henderson Llp
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