Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1992-11-24
1994-05-17
Garvin, Patrick P.
Compositions
Water-softening or purifying or scale-inhibiting agents
252105, C11D 310
Patent
active
053125622
ABSTRACT:
The present invention relates to environmentally safe aqueous saponifier compositions for cleaning electronic circuit assemblies, such as printed circuit or printed wiring boards, during their fabrication. Alkali metal carbonate and bicarbonate salts are utilized preferably with various adjuvants, such as an antifoam agent or surfactant to achieve a variety of objectives, among which are the removal of solder flux, oils, waxes, and greasy substances and adhesive and other residues.
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Lajoie M.Stephen
Vinci Alfredo
Winston Anthony E.
Barris Charles B.
Church & Dwight & Co., Inc.
Garvin Patrick P.
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