3 résultats
BACKGROUND OF THE INVENTION
1. Field of the Invention
Natural rubber is a raw material vital to our commercial and defense needs, and many consumer products are made with natural rubber obtained from Hevea brasiliensis (Hevea) species. The high-performance characteristics of natural rubber cannot be
FIELD OF THE INVENTION
The present invention relates to a Tanacetum parthenium extract substantially free of .alpha.-unsaturated .gamma.-lactones. The invention addition preparation of the extract and to pharmaceutical and cosmetic compositions containing a Tanacetum parthenium extract which is
TECHNICAL FIELD
The present invention relates to a Tanacetum parthenium extract substantially free of .alpha.-unsaturated .gamma.-lactones. The invention additionally relates to a process for the preparation of the extract and to pharmaceutical and cosmetic compositions containing a Tanacetum