Contraceptive compositions
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United States of America Patent
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-
Jan 21, 1997
Issued Date -
N/A
app pub date -
Apr 7, 1995
filing date -
Sep 29, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Improved contraceptive compositions are disclosed which comprise a spermicide or virucide, a polymeric delivery component and optionally a cosmetic ingredient. The improvement is directed to the use of certain hydrophobically modified polysaccharides as the polymeric delivery component. Quite advantageously, the hydrophobically modified polysaccharides of the present invention can alter sperm motility. Moreover, the hydrophobically modified polysaccharides can provide reduced irritation potential when used in combination with spermicides such as, for example, nonoxynol-9, which may reduce the potential for infection of sexually transmitted diseases such as HIV and herpes.
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Family
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