Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Carbohydrate doai
Reexamination Certificate
2002-08-29
2004-06-22
Jagoe, Donna (Department: 1614)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Carbohydrate doai
C514S023000, C514S843000
Reexamination Certificate
active
06753319
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to the use of D-Mannose to inhibit or prevent the uniting of a sperm and egg in conception. The presence of excess mannose in a reproductive system inhibits sperm capacitation.
BACKGROUND OF THE INVENTION
The search for effective contraceptives that are both inexpensive and without undesired side effects has been a long standing activity. It has been noted that there is a D-Mannose binding constituent of human sperm surfaces. It has also been shown that D-Mannose is very useful in alleviation of the urinary tract, infection and cystitis. The present invention concerns the use of D-Mannose administration to a woman as a method of inhibiting conception.
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Benedict Dale L.
Benedict Martha
BioTech Pharmacal, Inc.
Jackson & Walker, LLP
Jagoe Donna
Miller Mark H.
Nash William B.
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