A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
128/104, 128/51
A61K 9/00 (2006.01) A61F 6/08 (2006.01)
Patent
CA 1236357
ABSTRACT OF THE DISCLOSURE A disposable, spermicide-releasing intravaginal contraceptive barrier formed from a homogeneous blend mixture of a thermoplastic polymer, a water-soluble polymer and a spermicide which is released at a controlled rate sufficient to provide contraceptive action for a period of up to 48 hours and methods of making the same.
457835
Casper Robert A.
Cowsar Donald R.
Dunn Richard L.
Terry Richard N.
Meredith & Finlayson
Southern Research Institute
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