Inventor · Royston, GB

Christopher J. Wallis

20Patents
6h-index
20Co-inventors
69Inventor score

Filing activity: Jul 10, 1979 → Apr 25, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US4342756A Aminocyclopentane alkenoic acids and esters and pharmaceutical compositions Textiles; Paper 24 Expired
US4880800A Aminocyclopentyl ethers and pharmaceutical formulation Chemistry; Metallurgy 20 Expired
US4327092A Aminocyclopentane alkenoic acids and esters and pharmaceutical formulations Textiles; Paper 17 Expired
US4265891A Prostanoid compounds and compositions Chemistry; Metallurgy 12 Expired
US4409213A Prostanoid compounds and pharmaceutical compositions Chemistry; Metallurgy 8 Expired
US4371530A Aminocyclopentanone amides and pharmaceutical formulation Chemistry; Metallurgy 7 Expired
US4482549A Aminocyclopentane esters and pharmaceutical formulation Chemistry; Metallurgy 5 Expired
US4438111A Prostanoid compounds and pharmaceutical formulations Chemistry; Metallurgy 3 Expired
US4438112A Prostanoid compounds and pharmaceutical formulations Chemistry; Metallurgy 3 Expired
US4530925A Aminocyclopentane esters and pharmaceutical formulations Chemistry; Metallurgy 3 Expired
US6340587B1 Process for preparing enantiomerically enriched N-derivatized lactams Emerging Cross-Sectional Technologies 3 Expired
US4613597A Aminocyclopentanes and their preparation and pharmaceutical formulation Chemistry; Metallurgy 3 Expired
US4410521A Aminocyclopentane esters and pharmaceutical formulations Chemistry; Metallurgy 3 Expired
US4985427A Triazine derivatives Human Necessities 2 Expired
US5023255A Chemical compounds Human Necessities 2 Expired
US6294540A Carbocyclic nucleoside hemisulfate and its use in treating viral infections Human Necessities 1 Expired
US6147254A Process for resolving mixtures of carbocyclic stereoisomers Emerging Cross-Sectional Technologies 1 Expired
US4977163A Aminocyclopentanol acids and esters and their preparation and pharmaceutical formulation Chemistry; Metallurgy 1 Expired
US6646125B1 Process for the synthesis of chloropurine intermediates Emerging Cross-Sectional Technologies 1 Expired
US5164503A Preparation of aminocyclopentane acids Chemistry; Metallurgy 0 Expired

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