Chemistry: molecular biology and microbiology – Maintaining blood or sperm in a physiologically active state...
Reexamination Certificate
2005-09-02
2009-11-17
Davis, Ruth A (Department: 1651)
Chemistry: molecular biology and microbiology
Maintaining blood or sperm in a physiologically active state...
C435S325000, C424S093700
Reexamination Certificate
active
07618770
ABSTRACT:
The inventive technology relates to methods and apparatus for reducing protein content in sperm cell extenders and may include one or more of the following features: techniques for reducing protein content in a sperm cell extender; techniques for reducing protein content in a cryoprotectant-containing B fraction of a sperm cell extender; techniques for preparing sperm cell extenders that do not require clarification; techniques for preparing low density gradient sperm cell extenders suitable for centrifugation; techniques for reducing protein content between individual steps in preparing a sperm cell extender, and techniques for establishing novel values of reduced protein content in sperm cell extenders.
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Davis Ruth A
Santangelo Law Offices P.C.
XY, Inc.
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