Inventor · Trenton, MI, US

Moses Cenker

30Patents
8h-index
10Co-inventors
64Inventor score

Filing activity: Oct 2, 1974 → Feb 27, 1981

Most-cited inventions

PatentTitleAreaCited byStatus
US4165414A Urethane-modified isocyanurate foams having improved insulating and flame retardant properties Emerging Cross-Sectional Technologies 32 Expired
US4286074A Amine-terminated graft copolymer dispersions and polyurethanes prepared therefrom Chemistry; Metallurgy 26 Expired
US3981829A Process for the preparation of carbodiimide-isocyanurate foams Emerging Cross-Sectional Technologies 24 Expired
US4166164A Process for the preparation of carbodiimide-isocyanurate foams Emerging Cross-Sectional Technologies 18 Expired
US4177205A Process for the preparation of highly stable liquid carbodiimide-containing polyisocyanate compositions Emerging Cross-Sectional Technologies 18 Expired
US4129693A Urethane-modified isocyanurate foams having enhanced physical properties Emerging Cross-Sectional Technologies 14 Expired
US3994839A Urethane modified carbodiimide foams derived from flame retardant polyols Chemistry; Metallurgy 12 Expired
US4151334A Process for the preparation of carbodiimide-isocyanurate foams employing quaternary boron salts as catalysts Emerging Cross-Sectional Technologies 8 Expired
US3998766A Urethane modified carbodimide-isocyanurate foams from organic polyisocyanates and oxyalkylated mannich polyols Emerging Cross-Sectional Technologies 7 Expired
US4261877A Preparation of polyurethane from a blend of polyether polyols and a graft polyol which is the product of polymerization of an ethylenically unsaturated monomer with a polyol which contains unsaturation and oxyalkylene moieties Chemistry; Metallurgy 7 Expired
US4029611A Carbodiimide-isocyanurate foams modified with polyfurfuryl alcohol polymers Emerging Cross-Sectional Technologies 7 Expired
US4072631A Vanadyl alcoholate, organic titanate, polyhydric alcohol compositions as esterification/transesterification catalysts Performing Operations; Transporting 7 Expired
US3969288A Carbodiimide-isocyanurate foams prepared from acid-modified toluene diisocyanate Emerging Cross-Sectional Technologies 7 Expired
US3994837A Urethane-modified carbodiimide-isocynurate foams prepared from TDI-rich isocyanates Emerging Cross-Sectional Technologies 7 Expired
US4216107A Organic titanium compounds as viscosity improvers for polyol compounds Chemistry; Metallurgy 6 Expired
US4051082A Carbodiimide-isocyanurate foams modified with ethoxylated polyols Chemistry; Metallurgy 6 Expired
US4199524A Stable liquid carbodiimide-containing polyisocyanate compositions Chemistry; Metallurgy 6 Expired
US4029610A Carbodiimide-isocyanurate foams containing urethane linkages Emerging Cross-Sectional Technologies 5 Expired
US4108809A Novel prepolymers, flame retardant interpolymers prepared therefrom, and processes for the preparation thereof Chemistry; Metallurgy 5 Expired
US3933699A Catalyst-reactant systems for the preparation of carbodiimide foams Emerging Cross-Sectional Technologies 4 Expired
US4321342A Curable fixtures of polyepoxides and amine-terminated graft polymer dispersions Chemistry; Metallurgy 4 Expired
US4243756A Stable-liquid isocyanurate-modified polyisocyanate compositions Chemistry; Metallurgy 4 Expired
US4150207A Alumina trihydrate as flame retardant agent for urethane-modified carbodiimide-isocyanurate foams Emerging Cross-Sectional Technologies 4 Expired
US4163086A Novel oxyalkylated polyol prepolymers, flame retardant interpolymers prepared therefrom, and processes for the preparation thereof Chemistry; Metallurgy 4 Expired
US3988337A Substituted triamino-s-triazines Emerging Cross-Sectional Technologies 4 Expired

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