Inventor · Goldkronach, DE

Rainer Hoefer

46Patents
12h-index
60Co-inventors
84Inventor score

Filing activity: May 30, 1984 → Nov 12, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US4826944A Polyurethane casting resins Chemistry; Metallurgy 45 Expired
US5270433A Polyurethane-based universal household adhesive Chemistry; Metallurgy 38 Expired
US5563206A Polyurethane dispersions and their use as binders in stoving lacquers Chemistry; Metallurgy 30 Expired
US5302626A Use of reaction mixtures containing polyester polyols in the production of solid polyurethane materials by casting Chemistry; Metallurgy 28 Expired
US5266714A Process for the production of reaction mixtures containing ester polyols Chemistry; Metallurgy 26 Expired
US5312865A Coating compositions Chemistry; Metallurgy 24 Expired
US5371131A Adhesive stick having improved adhesive strength Chemistry; Metallurgy 22 Expired
US4977207A Water dilutable leverler coating compositions Emerging Cross-Sectional Technologies 21 Expired
US4657999A Polymerization emulsifiers Chemistry; Metallurgy 20 Expired
US5308448A Process for the flotation of fillers from deinked waste paper in the presence of surfactants containing sulfonate groups Emerging Cross-Sectional Technologies 16 Expired
US6433125B1 Fatty chemical polyalcohols as reagent thinners Chemistry; Metallurgy 15 Expired
US6610811B1 Polyurethanes with improved tear propagation resistance Chemistry; Metallurgy 14 Expired
US6825242B2 Method for production of radically post-cured polymers by addition of diallyl phthalates Chemistry; Metallurgy 12 Expired
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
US5500475A Polyurethane-based thickeners Chemistry; Metallurgy 10 Expired
US5807502A Aqueous fatty alcohol dispersions Chemistry; Metallurgy 9 Expired
US6312513A Pigment concentrates containing dimerdiolalkoxylate additives, and methods of preparing same Textiles; Paper 9 Expired
US5688989A Polyurethane foams modified with nonionic surfactants Chemistry; Metallurgy 8 Expired
US4745231A Alkylene oxide block polymers usable as defoamers Emerging Cross-Sectional Technologies 8 Expired
US4529762A Mixed emulsifier for emulsion polymerization Chemistry; Metallurgy 8 Expired
US5030280A Use of nonionic surfactants for preventing the fogging of plastic surfaces and preparations containing these surfactants Chemistry; Metallurgy 8 Expired
US4549002A Emulsifiers for emulsion polymerization Chemistry; Metallurgy 7 Expired
US5382647A Polyurethane-based friable sealing compound Emerging Cross-Sectional Technologies 6 Expired
US4797222A Foam inhibitor mixture Emerging Cross-Sectional Technologies 6 Expired

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