Drug – bio-affecting and body treating compositions – Effervescent or pressurized fluid containing – Organic pressurized fluid
Patent
1976-08-16
1977-08-09
Pitlick, Harris A.
Drug, bio-affecting and body treating compositions
Effervescent or pressurized fluid containing
Organic pressurized fluid
252305, 424 47, C09K 330
Patent
active
040411486
ABSTRACT:
Certain fluorinated dimethyl ethers have been found to possess the stability, the compatibility and sufficient freedom from deleterious physiological effects to be used as aerosol propellants in cosmetic, hygenic, pharmaceutical and other personal products. These compounds, bis(difluoromethyl) ether and perfluorodimethyl ether, are also free of the chlorine atoms believed responsible for some destruction of ozone in the upper atmosphere.
REFERENCES:
patent: 3362180 (1968-01-01), Eiseman
patent: 3502588 (1970-03-01), Winberg
patent: 3719752 (1973-03-01), Taylor
patent: 3723318 (1973-03-01), Butler
patent: 3887439 (1975-06-01), Hutchinson
patent: 3922228 (1975-11-01), Hutchinson
Gribens Joel A.
O'Neill Gerald J.
Simons Charles W.
Hanson, Jr. E. J.
McMillan Armand
Parker C. E.
Pitlick Harris A.
W. R. Grace & Co.
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