Inventor · Velbert, DE

Uwe Held

15Patents
4h-index
27Co-inventors
60Inventor score

Filing activity: Aug 11, 1986 → Jun 29, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US4792582A Polyethylene glycol ether foam inhibitors, emulsifiers, and stabilizers for polymers Performing Operations; Transporting 12 Expired
US5346973A Pourable liquid surfactant concentrate Chemistry; Metallurgy 12 Expired
US4797222A Foam inhibitor mixture Emerging Cross-Sectional Technologies 6 Expired
US5908582A Liquid formulations containing sulfosuccinic acid diester Emerging Cross-Sectional Technologies 5 Expired
US4981893A Foam inhibitors for polymer dispersions Performing Operations; Transporting 1 Expired
US8519071B2 Low-viscosity aqueous compositions Chemistry; Metallurgy 1 Active
US10030088B2 Reactive monomers as comonomers for the production of polymers Chemistry; Metallurgy 0 Active
US8142681B2 Aqueous surfactant compositions with a low pour point Chemistry; Metallurgy 0 Active
US7981932B2 Salts of alkyl esters of sulfonated dicarboxylic acids and compositions containing same Chemistry; Metallurgy 0 Active
US8642698B2 Copolymerizable (meth)acrylic acid esters Chemistry; Metallurgy 0 Active
US9109054B2 Process for emulsion polymerization Chemistry; Metallurgy 0 Active
US8183320B2 Copolymerizable surfactants (1) Chemistry; Metallurgy 0 Active
US8779075B2 Use of nonionic surfactants as emulsifiers for emulsion polymerization (III) Chemistry; Metallurgy 0 Active
US8193281B2 Copolymerizable surfactants (2) Chemistry; Metallurgy 0 Active
US7825163B2 Biologically degradable compositions Emerging Cross-Sectional Technologies 0 Expired

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