Inventors:
Andrew J. Sonderfan - Sudbury MA
Albert T. Profy - Cambridge MA
Toni Chancellor - Watertown MA
Margo McKinlay - Barrington RI
Assignee:
Procept, Inc. - Cambridge MA
International Classification:
A61K 31975
Abstract:
This invention pertains to the discovery that condensation polymers of an aldehyde and aromatic sulfonic acids and fractions thereof, such as formaldehyde naphthalenesulfonic acid condensation polymers, can prevent pregnancy in an individual.