B - Operations – Transporting – 22 – C
Patent
B - Operations, Transporting
22
C
400/1717, 400/50
B22C 7/02 (2006.01) B22C 9/04 (2006.01) C08K 5/09 (2006.01) C08L 23/08 (2006.01) C08L 91/06 (2006.01)
Patent
CA 1082385
Abstract of the Disclosure For use in making investment molds by the lost pattern process, a pattern material which is machinable and has the capability of being melted out of the molds without cracking them, the material consisting basically of a vinyl resin and at least one fatty acid ketone.
278434
Horton Robert A.
Yaichner Ella M.
Precision Metalsmiths Inc.
Ridout & Maybee Llp
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