Inventor · Aachen, DE

Siegfried Warwel

8Patents
3h-index
7Co-inventors
46Inventor score

Filing activity: Feb 22, 1991 → Nov 8, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US5143885A Catalysts for the metathesis of olefins and functionalized olefins Chemistry; Metallurgy 9 Expired
US5218131A Process for the metathesis of olefins and functionalized olefins Chemistry; Metallurgy 9 Expired
US5344946A Process for the preparation of vicinal diols and/or epoxides Chemistry; Metallurgy 4 Expired
US5183791A Catalysts for the metathesis of olefins and functionalized olefins Chemistry; Metallurgy 3 Expired
US6608230B2 Single-stage method for producing &agr;-hydroxy ethers by oxidizing C=C unsaturated compounds with hydroperoxides Chemistry; Metallurgy 3 Expired
US6380439B1 Single-stage method for producing &agr;-hydroxy ethers by oxidizing C=C-unsaturated compounds with hydroperoxides Chemistry; Metallurgy 2 Expired
US5321158A Production of carboxylic acids Chemistry; Metallurgy 2 Expired
US6593376B1 Amphiphilic compounds with at least two hydrophilic and at least two hydrophobic groups on a di-,oligo- or polyene base Emerging Cross-Sectional Technologies 1 Expired

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