Inventor · Kalamazoo, MI, US

Charles M. Hall

32Patents
7h-index
7Co-inventors
58Inventor score

Filing activity: Jul 26, 1973 → Apr 15, 1991

Most-cited inventions

PatentTitleAreaCited byStatus
US4279930A Process for treating inflammation Chemistry; Metallurgy 37 Expired
US5320700A Process for molding utilizing compression sleeve Performing Operations; Transporting 16 Expired
US3993679A Cyano phenylene dioxamic molecules Human Necessities 14 Expired
US4181724A Quinoxalinone compounds useful for expanding the lumina or air passages in mammals Human Necessities 8 Expired
US4095028A Substituted dioxamic acid esters Human Necessities 8 Expired
US4061791A Anti-allergic oxanilate compounds Chemistry; Metallurgy 8 Expired
US4119783A 3'Lower alkylcarbonyl oxanilic acid esters Human Necessities 8 Expired
US4017538A Alkyl thio sulfinyl and sulfonyl oxamic compounds, compositions and methods of use Chemistry; Metallurgy 5 Expired
US4159278A Dioxamic acids and salts Chemistry; Metallurgy 5 Expired
US3972911A N,N'(Cyano-phenylene)dioxamic acids and esters Chemistry; Metallurgy 4 Expired
US4089973A Cyano phenylene dioxamic acid compounds used in the treatment of allergy Human Necessities 4 Expired
US3953598A Compounds, compositions and methods of use Chemistry; Metallurgy 3 Expired
US3982006A M-Phenylene dioxamic acid derivatives Chemistry; Metallurgy 3 Expired
US4423223A Benzothiazole derivatives Chemistry; Metallurgy 3 Expired
US3963660A Pyridine dioxamic acids and esters Chemistry; Metallurgy 3 Expired
US4038398A Compounds, compositions and methods of use Chemistry; Metallurgy 2 Expired
US4150140A Benzothiazolyl oxanic acids, esters and salts Chemistry; Metallurgy 2 Expired
US3980660A "N,N""(pyridinediyl)dioxamate compounds" Chemistry; Metallurgy 2 Expired
US4156012A Anti-allergic bis phenylene compositions and uses Chemistry; Metallurgy 2 Expired
US4262123A Quinoxalinones Chemistry; Metallurgy 2 Expired
US4044148A Compounds, compositions and methods of use Chemistry; Metallurgy 2 Expired
US4186127A N-Hetero substituted dioxamic acid compounds Chemistry; Metallurgy 1 Expired
US4011337A Oxamide-oxamic compounds, compositions and methods of use Chemistry; Metallurgy 1 Expired
US3959289A Derivatives of 4,6 dioxopyrido[3,2-g]quinoline 2,8 dicarboxylic acid Chemistry; Metallurgy 1 Expired
US4159341A Anti-allergic bis-phenylene compositions and methods of using same Human Necessities 0 Expired

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