Printed circuit board surface protective agent

Details Printed circuit board surface protective agent Printed circuit board surface protective agent

1993-12-20

1998-04-07

Richter, Johann

Metal treatment

Process of modifying or maintaining internal physical...

Processes of coating utilizing a reactive composition which...

148274, 106 1416, 5483044, C23F 1114, C23F 1110

Patent

active

057359733

ABSTRACT:
Described herein is a printed circuit board surface protective agent containing compounds as expressed by Formula I. ##STR1## (herein, Y is a linear or a branched alkyl group having 1 to 20 carbon atoms or (2) ##STR2## X is any of halogen atom, amino group, di-lower alkylamino group, hydroxy group, lower alkoxy group, cyano group, formyl group, acetyl group, benzoyl group, carbamoyl group, carboxyl group, lower alkoxycarbonyl group, or nitro group; X' is any of alkyl group, halogen atom, amino group, di-lower alkylamino group, hydroxy group, lower alcoxy group, cyano group, formyl group, acetyl group, benzoyl group, carbamoyl group, carboxyl group, lower alkoxycarbonyl group or nitro group; n is an integral number from 1 to 4, and X may be either identical or different when n is in a range from 2 to 4. m is an integral number in a range from 1 to 10, p is 0 or an integral number in a range from 1 to 4, and X' may be either identical or different when p is in a range from 2 to 4.)

REFERENCES:
Sasahara et al. (CA 120:137258f), @1994.
Sasahara et al. (CA 120:137286p), @1994.
Yoshioka et al. (CA 120:206406s), @1994.
Yoshioka et al., CA 117: 238370 (1992).

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