Drug – bio-affecting and body treating compositions – Solid synthetic organic polymer as designated organic active... – Polymer from ethylenic monomers only
Patent
1977-04-20
1978-11-14
Rosen, Sam
Drug, bio-affecting and body treating compositions
Solid synthetic organic polymer as designated organic active...
Polymer from ethylenic monomers only
8 101, 8 102, 260573, 260456R, 562 22, A61K 709, A61K 713, C07C 9106
Patent
active
041256018
ABSTRACT:
Chemical compounds of the formula: ##STR1## in which R.sub.1 and R.sub.2 can be identical or different and represent hydrogen or alkyl having from 1 to 4 carbon atoms. The compounds are used in hair dyeing, and a process for their preparation is disclosed.
REFERENCES:
patent: 3344031 (1967-09-01), Bartoszewicz
patent: 4007228 (1977-02-01), Kalopissis et al.
Andrillon Monique
Bugaut Andree
"L'Oreal"
Rosen Sam
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