Inventor · Cambridge, GB

David Cavalla

44Patents
9h-index
18Co-inventors
72Inventor score

Filing activity: Jan 22, 1988 → Jun 27, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6166041A 2-heteroaryl and 2-heterocyclic benzoxazoles as PDE IV inhibitors for the treatment of asthma Chemistry; Metallurgy 41 Expired
US5922751A Aryl pyrazole compound for inhibiting phosphodiesterase IV and methods of using same Chemistry; Metallurgy 28 Expired
US4808581A Imidazolyl- indolylpropanones as 5-HT.sub.3 receptor antagonists Chemistry; Metallurgy 26 Expired
US5864037A Methods for the synthesis of chemical compounds having PDE-IV inhibitory activity Human Necessities 19 Expired
US6248769A Phenyl-triazole compounds for PDE-IV inhibition Chemistry; Metallurgy 16 Expired
US5591776A Pheynl or benzyl-substituted rolipram-based compounds for and method of inhibiting phosphodiesterase IV Chemistry; Metallurgy 14 Expired
US6103749A Aryl imidazole compounds having phosphodiesterase IV inhibitory activity Chemistry; Metallurgy 10 Expired
US6319928A Purine derivatives having phosphodiesterase IV inhibition activity Chemistry; Metallurgy 9 Expired
US6211367A Methods of Synthesing Purine Compounds Having PDE Iv Inhibitory Activity Chemistry; Metallurgy 9 Expired
US5939422A Chemical compounds having PDE-IV inhibition activity Chemistry; Metallurgy 8 Expired
US6066641A Aryl thioxanthines Chemistry; Metallurgy 7 Expired
US5889014A Heterocyclic compounds for inhibiting phosphodiesterase IV Chemistry; Metallurgy 7 Expired
US6228859A Purine derivatives having phosphodiesterase IV inhibition activity Chemistry; Metallurgy 7 Expired
US6294541A Purine derivatives having phosphodiesterase IV inhibition activity Chemistry; Metallurgy 7 Expired
US6153630A Phenylpyridyl compounds for inhibiting phosphodiesterase IV and methods of using same Chemistry; Metallurgy 7 Expired
US6025361A Trisubstituted thioxanthines Chemistry; Metallurgy 6 Expired
US6413975B1 Purine derivatives having phosphodiesterase iv inhibition activity Chemistry; Metallurgy 6 Expired
US5744473A "PDE IV inhibitors: ""bis-compounds""" Chemistry; Metallurgy 5 Expired
US4963546A Ketone derivatives which are antagonists of 5-HT at 5-HT.sub.3 receptors, compositions containing them, and method of use Chemistry; Metallurgy 4 Expired
US4950681A Ketone derivatives Human Necessities 4 Expired
US6310205A Hypoxathine compounds Human Necessities 4 Expired
US5026722A Indole derivatives Human Necessities 3 Expired
US6057445A Purine compounds having PDE IV inhibitory activity and methods of synthesis Chemistry; Metallurgy 3 Expired
US6040447A Purine compounds having PDE IV inhibitory activity and methods of synthesis Chemistry; Metallurgy 3 Expired
US6075016A 6,5-fused aromatic ring systems having enhanced phosphodiesterase IV inhibitory activity Chemistry; Metallurgy 3 Expired

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