Polymeric acid contraceptive devices
AssigneeMinnesota Mining and Manufacturing Company
InventorThomas H. Barrows
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Abstract
A disposable non-woven sponge vaginal contraceptive device is made of alginic acid or related polysaccharides bearing carboxylic acid functionality and a method of making same is disclosed.
Claims17
A disposable, resilient contraceptive device for insertion into the upper vault of the vagina proximal to the cervix comprising a cylindrical, absorbent non-woven sponge of alginic acid or related polysaccharide fibers bearing carboxylic acid functionality in an effective spermicidal quantity and a retrieval means.
A disposable, resilient contraceptive device for insertion into the upper vault of the vagina proximal to the cervix comprising a cylindrical, absorbent, non-woven sponge of alginic acid in an effective spermicidal quantity and a retrieval means.
Dependencies are inferred from the claim text.