Toilet – Nail device – Compound tools
Patent
1984-12-17
1986-10-07
McNeill, Gregory E.
Toilet
Nail device
Compound tools
424 70, A45D 700
Patent
active
046153462
ABSTRACT:
A test for the completeness of an application of neutralizer solution to hair during a permanent wave treatment is disclosed in which a small quantity of an acid-base indicator added to the neutralizer solution produces a visible change in the color of the end wraps.
REFERENCES:
patent: 2906273 (1959-09-01), Beauregard
Hackh's Chemical Dictionary, Aug. 1975, author-Julius Grant, pp. 343 and 426.
Hoffman Terry P.
Messina Louis
Johns David J.
McNeill Gregory E.
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