C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
18/1000, 400/942
C08L 23/20 (2006.01) B29C 33/68 (2006.01) C08J 5/18 (2006.01) H05K 1/18 (2006.01) H05K 3/02 (2006.01)
Patent
CA 1296833
ABSTRACT OF THE DISCLOSURE A release sheet, comprising poly-4-methylpentene-1 film containing a copper salt of an alkanoic acid and at least one of an alkali metal halide and an alkaline earth metal halide, is dsclosed. Such film is useful as a release sheet in the manufacture of printed circuit boards
563299
Liqui-Box Canada Inc.
Sim & Mcburney
LandOfFree
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