Drug – bio-affecting and body treating compositions – Effervescent or pressurized fluid containing – Organic pressurized fluid
Patent
1978-01-09
1980-04-01
Helfin, Bernard
Drug, bio-affecting and body treating compositions
Effervescent or pressurized fluid containing
Organic pressurized fluid
260 334R, 424DIG1, 424DIG2, 424 71, 424 81, 526317, 526320, A61K 711, C08F 1604
Patent
active
041961900
ABSTRACT:
Acrylic polymer solutions having superior properties when used as hair setting or holding resins are disclosed. Specific polymers disclosed are derived from (1) alkyl acrylates with 2-8 carbon alkyl groups, (2) methyl methacrylate, (3) hydroxyethyl methacrylate, and (4) methacrylic acid in proportions yielding a film forming resin readily soluble in shampoo, with a Tg between about 40.degree. C. and 80.degree. C., a molecular weight between about 25,000 and 250,000 and not more than 50 ppm of unreacted alkyl acrylate monomer.
REFERENCES:
patent: 3468836 (1969-09-01), Sekmakas
patent: 3577517 (1971-05-01), Kubot et al.
patent: 3660561 (1972-05-01), Shepherd et al.
patent: 3865904 (1975-02-01), Wingler et al.
patent: 3925542 (1975-12-01), Viout et al.
patent: 3970633 (1976-07-01), Miller et al.
Gehman David R.
Kirn William A.
Clarke Vera C.
Helfin Bernard
Rohm and Haas Company
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