Vaginal contraceptive

Details Vaginal contraceptive Vaginal contraceptive

1979-12-20

1981-07-07

Schenkman, Leonard

Drug, bio-affecting and body treating compositions

Effervescent or pressurized fluid containing

Gas produced in situ by chemical reaction

424320, 424DIG14, 424DIG15, A61K 3116

Patent

active

042774616

ABSTRACT:
The contraceptive consists of a spermicidal active substance of the formula RCONH--(CH.sub.2 CH.sub.2 O).sub.n --H, in which R denotes a C.sub.5 -C.sub.19 -alkyl or -alkenyl radical and n has a value of 3 to 20, a mixture of an alkali metal bicarbonate and a water-soluble, solid, anhydrous mono- or poly-carboxylic acid having 2 to 6 carbon atoms, in a stoichiometric ratio, as a foam generator, and a polyethylene glycol, or mixture of polyethylene glycols, which melts at body temperature.

REFERENCES:
patent: 3883661 (1975-05-01), Young
patent: 4187286 (1980-02-01), Marcus

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