Evaluation of the state of change of keratin fibers

Details Evaluation of the state of change of keratin fibers Evaluation of the state of change of keratin fibers

1979-07-06

1982-10-12

Lutter, Frank W.

Chemistry: physical processes

Physical processes

Crystallization

23230M, G01N 3100

Patent

active

043537081

ABSTRACT:
A process for evaluating the ionic state of the surface of keratin fibers, especially human hair, which comprises, taking at least one sample of fibers from the fibers to be evaluated, contacting the sample with an acidic solution of at least one acidic basic dyestuff, assessing what, if any, change in the color of the solution has taken place and attributing the ionic state to the surface of the fibers accordingly.

REFERENCES:
patent: 3592603 (1971-07-01), Miller et al.
Finkelstein, P. et al., American Perfumer and Cosmetics, vol. 81, Sep. 1966, pp. 39-40, 42.
Chemical Abstracts, vol. 65, 1966, Abstract No. 16786h, Laden, K. et al., "The Modification of the Ionic Character of Hair".
Chemical Abstracts, vol. 48, 1962, Abstract No. 11833g, Underwood, D. L. et al., "The Kinetics of the Absorption and Desorption of Single Ions by Keratin Fibers".
Neurath, Hans, The Proteins, vol II, Academic Press, N.Y., 1964, pp. 249-250.

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