Inventor · Bracknell, GB

Christopher John Urch

25Patents
10h-index
39Co-inventors
75Inventor score

Filing activity: Dec 12, 1988 → Jan 15, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5922732A Bicyclic amines Chemistry; Metallurgy 42 Expired
US6174894A Bicyclic amine derivatives Chemistry; Metallurgy 34 Expired
US5968947A Bicyclic amine derivatives Chemistry; Metallurgy 34 Expired
US6177442A Bicyclic amine derivatives Chemistry; Metallurgy 34 Expired
US6093726A Bicyclic amine derivatives Chemistry; Metallurgy 26 Expired
US6573275B1 Bicyclic amines Chemistry; Metallurgy 24 Expired
US6291474A Bicyclic amine derivatives Chemistry; Metallurgy 23 Expired
US6207676A Bicyclic amines Chemistry; Metallurgy 22 Expired
US6391883B1 Bicyclic amines Chemistry; Metallurgy 20 Expired
US6544989B2 Benzazoles: benzoxazole, benzthiazole and benzimidazole derivatives Human Necessities 14 Expired
US5912254A Bicycle amine derivatives Human Necessities 5 Expired
US4973767A Cyclopropane derivatives Chemistry; Metallurgy 3 Expired
US5912388A Preparation of aldehydes or ketones from alcohols Chemistry; Metallurgy 1 Expired
US6294545A Bicyclic amines and their use as insecticides Human Necessities 0 Expired
US11641858B2 Agricultural chemicals Chemistry; Metallurgy 0 Active
US9951028B2 Agricultural chemicals Chemistry; Metallurgy 0 Active
US5849754A Bicyclic amine derivatives Human Necessities 0 Expired
US6703347B2 Isothiazole derivatives and their use as pesticides Human Necessities 0 Expired
US11224224B2 Thiobenzoimidazole as fungicides Chemistry; Metallurgy 0 Active
US6066646A Bicyclic amine derivatives Human Necessities 0 Expired
US11261177B2 Benzoxazinone derivatives useful as herbicides Chemistry; Metallurgy 0 Active
US11241013B2 Benzimidazole compounds as agricultural chemicals Chemistry; Metallurgy 0 Active
US11440900B2 Agricultural chemicals Chemistry; Metallurgy 0 Active
US11634390B2 Agricultural chemicals Chemistry; Metallurgy 0 Active
US5770741A Process for cylopropane derivatives Chemistry; Metallurgy 0 Expired

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