Soldering compositions

Details Soldering compositions Soldering compositions

1987-02-05

1989-01-03

Barr, Josephine

Metal treatment

Compositions

Fluxing

252512, 252500, 148 24, 428385, 428387, B23K 3534, H01B 106, B32B 1500, B32B 900

Patent

active

047955082

ABSTRACT:
Soldering composition incorporating a flux, characterized in that as flux at least one compound is employed with the general formula ##STR1## in which n is a number from 0 to 6, all groups R.sub.1 to R.sub.6 are identical or different aryl groups, of which at least one carries a COOR.sub.7 substituent, in which R.sub.7 represents hydrogen, an alkyl or aryl group with a maximum of 12 carbon atoms, and in which R.sub.1 and R.sub.2 can be one and the same aryl group, thus forming a cyclic compound.

REFERENCES:
patent: 3428497 (1969-02-01), Coless
patent: 3663313 (1972-05-01), Oberly et al.
patent: 4166879 (1979-09-01), Hayashi et al.
patent: 4391742 (1983-07-01), Steigerwald et al.
patent: 4512822 (1985-04-01), Bassinger et al.
patent: 4595604 (1986-06-01), Martin et al.
patent: 4662952 (1987-05-01), Barringer et al.
patent: 4680141 (1987-07-01), Barajas

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