Non-halogenated aqueous cleaning systems

Details Non-halogenated aqueous cleaning systems Non-halogenated aqueous cleaning systems

1991-08-23

1993-06-22

Garvin, Patrick P.

Cleaning and liquid contact with solids

Processes

Oils, grease, tar, or wax removal, by dissolving

252143, 252170, C23G 5032

Patent

active

052213625

ABSTRACT:
Non-halogenated aqueous degreasing compositions-useful for removing inks and cleaning printed circuit boards comprising a three-component mixture of (1) an organic acid consisting essentially of an alkanoic acid, preferably a hydroxy-substituted alkanoic acid, (2) a straight chain alkanol having at least four carbon atoms or an alkyl ester derived from an unsubstituted or substituted alkanoic acid and a straight chain alkanol having at least four carbon atoms and (3) water.

REFERENCES:
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patent: 4024085 (1977-05-01), Kobayashi et al.
patent: 4087370 (1978-05-01), Singalewitch et al.
patent: 4181622 (1980-01-01), Gavin
patent: 4239552 (1980-12-01), Perner et al.
patent: 4690887 (1987-09-01), Furuda et al.
patent: 4797220 (1989-01-01), Miller

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