Inventor · Maidenhead, GB

Roger Hems

13Patents
10h-index
4Co-inventors
57Inventor score

Filing activity: Jul 20, 1973 → Aug 11, 1980

Most-cited inventions

PatentTitleAreaCited byStatus
US4230688A Acyclic carboxamides having a physiological cooling effect Human Necessities 114 Expired
US4153679A Acyclic carboxamides having a physiological cooling effect Human Necessities 85 Expired
US4248859A Alicyclic amides having a physiological cooling effect Human Necessities 52 Expired
US4296093A Cyclic carboxamides having a physiological cooling effect Human Necessities 50 Expired
US4296255A Acyclic carboxamides having a physiological cooling effect Human Necessities 49 Expired
US4070449A Compounds having a physiological cooling effect and compositions containing them Chemistry; Metallurgy 46 Expired
US4034109A Compounds having a physiological cooling effect and compositions containing them Human Necessities 45 Expired
US4318900A Alicyclic amides having a physiological cooling effect Human Necessities 18 Expired
US4044120A Compounds having a physiological cooling effect, and compositions containing them Chemistry; Metallurgy 12 Expired
US4137305A Cyclic amides having a physiological cooling effect Chemistry; Metallurgy 10 Expired
US4136164A Certain substituted amides having a physiological cooling effect Chemistry; Metallurgy 10 Expired
US4069345A Compositions having a physiological cooling effect Human Necessities 7 Expired
US4137304A Cyclic substituted ureas having a physiological cooling effect Human Necessities 3 Expired

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