G - Physics – 03 – C
Patent
G - Physics
03
C
117/162, 96/189
G03C 1/94 (1985.01)
Patent
CA 1197408
LITHOGRAPHIC SUBSTRATE AND ITS PROCESS OF MANUFACTURE ABSTRACT Lithographic printing substrates ordinarily require a mechanical or chemical graining of aluminum surfaces. Such substrates are difficult and expensive to make. It has been found that a lithographically suit- able substrate on an aluminum surface can be provided by the firing of at least one monobasic phosphate solution on substrates having an aluminum surface.
411457
Minnesota Mining And Manufacturing Company
Smart & Biggar
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