Inventor · Norwood, OH, US

Marvin H. Lehr

11Patents
5h-index
6Co-inventors
55Inventor score

Filing activity: Jan 23, 1978 → Nov 6, 1992

Most-cited inventions

PatentTitleAreaCited byStatus
US4161472A Impact modified vinyl chloride polymer composition Emerging Cross-Sectional Technologies 19 Expired
US4181644A Impact modified polymer composition Chemistry; Metallurgy 8 Expired
US4584349A Method and composition for improved melt processability of chlorinated polyvinyl chloride Emerging Cross-Sectional Technologies 7 Expired
US4711921A Stabilization of vinyl chloride polymers Chemistry; Metallurgy 6 Expired
US4820750A Pigmented vinyl chloride polymer or blend thereof having improved mechanical properties Chemistry; Metallurgy 6 Expired
US4868247A Chlorinated polyvinyl chloride blends having low melt viscosities Emerging Cross-Sectional Technologies 5 Expired
US4847331A Method and composition for improved melt processability of chlorinated polyvinyl chloride Chemistry; Metallurgy 3 Expired
US4863635A Method of treating the surface of polymers with a cuprous compound to form a copper sulfide composite structure Electricity 3 Expired
US4780497A Reduced melt viscosity CPVC blends containing sulfur and various metal carbonate stabilizers Chemistry; Metallurgy 3 Expired
US5354812A Ternary alloys of poly(vinyl chloride) with high heat distortion temperatures Chemistry; Metallurgy 2 Expired
US4647626A Method and composition for improved melt processability of chlorinated polyvinyl chloride Emerging Cross-Sectional Technologies 1 Expired

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