Drug – bio-affecting and body treating compositions – Plant material or plant extract of undetermined constitution... – Containing or obtained from labiatae
Reexamination Certificate
2005-02-15
2005-02-15
Tate, Christopher R. (Department: 1654)
Drug, bio-affecting and body treating compositions
Plant material or plant extract of undetermined constitution...
Containing or obtained from labiatae
C424S725000, C424S747000
Reexamination Certificate
active
06855349
ABSTRACT:
An increase in specific antioxidant activity of extracts from rosemary (Rosemarinus officinalis) is obtained by the use of a blend of tetrafluoroethane and acetone in the extraction process. A blend of tetrafluoroethane, acetone and methanol improves total yield. A tetrafluoroethane and acetone blend has higher efficacy but comparatively lower yields. The methods yield a liquid and oily antioxidant extract that is readily mixed with a liquid product such as soybean oil for addition to animal feeds and human food. The methods simultaneously yield pharmaceutical grade essential oils in high yields.
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Brinkhaus Friedhelm
Greaves John A.
Haworth James E.
Davis Law Firm
Herink Kent
Kemin Industries, Inc.
Rosenberg Daniel
Tate Christopher R.
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