Contraceptive methods and compositions

Drug – bio-affecting and body treating compositions – Solid synthetic organic polymer as designated organic active... – Polymer from ethylenic monomers only

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424 19, 424 28, 128260, A61K 902, A61K 922, A61K 926, A61K 970

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active

042645751

ABSTRACT:
Introduction of a pharmaceutically acceptable non-toxic cation salt of a straight-chain or branched chain alkyl sulfonate having from 11 to 16 carbon atoms into the uterine lumen or vaginal cavity prevents conception. Sodium tetradecyl sulfonate is preferred.

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Mathews, M. B., J.A.C.S. 76:2948-2952 (1954) "Testicular Hyaluronidase in Relation to Micelle Formation by Inactivating Agents".
Zanefield, L. `Sperm Enzyme Inhibitors as Antifertility Agents`, Chap. 56:570-582 of Human Semen and Fertility Regulation in Men, E. Hafez ed., C. V. Mosby, St. Louis, Mo. (1976).
"Barrier Methods", Population Reports, Series H, No. 5, Sep. 1979, H-76 to H-118.

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