Conjugated linoleic acid compositions

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Food or edible as carrier for pharmaceutical

Reexamination Certificate

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C514S560000, C514S549000, C514S552000

Reexamination Certificate

active

07029691

ABSTRACT:
Novel compositions containing conjugated linoleic acids are efficacious as animal feed additives and human dietary supplements. Linoleic acid is converted to its conjugated forms in which the resulting composition is low in certain unusual isomers compared to conventional conjugated linoleic products.

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Sugano et al., “Conjugated Linoleic Acid Modulates Tissue Levels of Chemical Mediators and Immunoglobulins in Rats,” Lipids, 33(5):521-27 (1998), describe CLA produced by non-aqueous alkali isomerization which contains 18.6% trans-trans isomers. Sugano, et al. do not disclose feed and food products containing an isomerized composition containing less than 1% of 11,13-octadecadienoic and 8,10-octadecadienoic acid, and trans, trans-octadecadienoic acid.
Matreya Catalog, 1997, pp. 33-34, describes a purified preparation of c9,t11 CLA. This publication does not disclose feed and food products containing an isomerized composition containing less than 1% of 11,13-octadecadienoic acid, 8,10-octadecadienoic acid, and trans, trans-octadecadienoic acid.
Hudtwalcker & Co. AS Technical Data Sheet, exact publication date unknown, describes CLA compositions with various levels of CLA. This publication does not disclose feed and food products containing an isomerized composition containing less than 1% of 11,13-octadecadienoic acid, 8,10-octadecadienoic acid, and trans, trans-octadecadienoic acid.
Selin CLA Product Literature, Jan. 1997, describes triglycerides CLA. This publication does not disclose feed and food products containing an isomerized composition containing less than 1% of 11,13-octadecadienoic acid, 8,10-octadecadienoic acid, and trans, trans-octadecadienoic acid.
Lipid Technology Newsletter, Peter J. Barnes, Ed., vol. 4, No. 5, pp. 85-86 (Oct. 1998), describes a Loders CLA product which contains approximately 80% of t10,c12 and c9,t11 isomers and minor amounts of other isomers. This publication does not disclose feed and food products containing an isomerized composition containing less than 1% of 11,3-octadecadienoic acid, 8,10-octadecadienoic acid, and trans, trans-octadecadienoic acid.
Natural Lipids Ltd. AS Technical Data Sheet, Jan. 20, 1997, describes CLA compositions with varying amounts of CLA. This publication does not disclose feed and food products containing an isomerized composition containing less than 1% of 11,13-octadecadienoic acid, 8,10-octadecadienoic acid, and trans, trans-octadecadienoic acid.
Ron Udell, Information About Conjugated Linoleic Acid, published by Soft Gel Technologies Incorporated, exact publication date unknown, describes the analysis of CLA products. This publication does not disclose feed and food products containing a isomerized composition containiang less than 1% of 11,13-octadecadienoic acid, 8,10-octadecadienoic acid, and trans, trans-octadecadienoic acid.
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