Inventor · Ansfelden, AT

Irma Wirth

12Patents
4h-index
21Co-inventors
56Inventor score

Filing activity: Mar 30, 1995 → Sep 15, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US6909011B2 Process for preparing protected, enantiomer-enriched cyanohydrins by in-situ derivatization Chemistry; Metallurgy 45 Expired
US7052885B2 Process for preparing heterocyclic (R)- and (S)-cyanohydrins Chemistry; Metallurgy 10 Expired
US6225095A Enzymatic process for the preparation of (S)-cyanohydrins Chemistry; Metallurgy 5 Expired
US6337196B1 Enzymatic processes for preparing (S)-cyanohydrins Chemistry; Metallurgy 4 Expired
US5534436A Enzymatic resolution of asymmetric alcohols by means of vinyl esters of polybasic carboxylic acids Chemistry; Metallurgy 3 Expired
US6861243B2 Genes containing a DNA sequence coding for hydroxynitrile lyase, recombinant proteins derived therefrom and having hydroxynitrile lyase activity, and use thereof Chemistry; Metallurgy 1 Expired
US6717006B1 Method for the production of optically active cyanohydrins using r-oxynitrilase Chemistry; Metallurgy 1 Expired
US6417377B1 Process for preparing enantiomer-enriched amino- and hydroxyfuranones Chemistry; Metallurgy 1 Expired
US7202075B2 Isolated protein having hydroxynitrile lyase activity Chemistry; Metallurgy 1 Expired
US6818423B2 Process for the preparation of chiral &agr;-hydroxycarboxylic acids Chemistry; Metallurgy 0 Expired
US6031123A Process for stabilizing cyanohydrins Chemistry; Metallurgy 0 Expired
US5639662A Increased enantioselectivity of lipase catalyzed transesterification of alkynols with vinyl esters Chemistry; Metallurgy 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.