Rapidly dissolving vaginal film with contraceptive action and sexually transmitted infection prevention
AssigneeEvofem, Inc.
InventorsSanjay GARG, Afinjuomo Olumide FRANKLIN, Yunmei SONG
Life of this patent
Estimating the term…
Abstract
Provided herein are thin film compositions and methods of making thin films comprising lactic acid (e.g. L-lactic acid), a water-soluble polymer, and a plasticizer. The thin films may be used for contraception and/or in preventing transmission of sexually transmitted infections.
Claims99
A thin film comprising:
- about 10% (w/w) to about 50% (w/w) L-lactic acid;
- about 10% (w/w) to about 30% (w/w) PVA with a molecular weight (MW) between about 30,000 to about 70,000
- about 0% (w/w) to about 8% (w/w) PVA with MW bet tween about 85,000 to about 124,000,
- about 0% (w/w) to about 6% (w/w) PVA with MW between about 146,000 to about 186,000;
- and
- about 5% (w/w) to about 15% (w/w) glycerol,
- wherein the thin film does not comprise alginic acid.
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Dependencies are inferred from the claim text.