Condensation polymer composition for preventing pregnancy
摘要
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.
申请公布号
AU7260198(A)
申请公布日期
1998.11.24
申请号
AU19980072601
申请日期
1998.04.27
申请人
PROCEPT, INC.
发明人
ANDREW J. SONDERFAN;ALBERT T. PROFY;TONI CHANCELLOR;MARGO MCKINLAY