Inventor · Loughborough, GB

David Hardern

17Patents
7h-index
20Co-inventors
66Inventor score

Filing activity: Nov 11, 1974 → Sep 21, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US4810719A Anti-inflammator 1,n-diarylpyrazol-3-amines Chemistry; Metallurgy 38 Expired
US5428044A Anti-inflammatory 4-aminophenyl derivatives Chemistry; Metallurgy 21 Expired
US6525060B1 Triazolo(4,5-d)pyrimidine compounds Chemistry; Metallurgy 20 Expired
US4424231A Compounds Chemistry; Metallurgy 11 Expired
US4213903A Basic amino acid salts of chromones Chemistry; Metallurgy 10 Expired
US4956378A 4,5-dihydro pyrazole compounds Chemistry; Metallurgy 9 Expired
US6143751A Pyridine derivatives and pharmaceutical compositions containing them Chemistry; Metallurgy 7 Expired
US6974868B2 Compounds Chemistry; Metallurgy 6 Expired
US7250419B2 Trisubstituted triazolopyrimidines for use in platelet aggregation inhibition Chemistry; Metallurgy 6 Expired
US5376663A Macrocyclic compounds Chemistry; Metallurgy 5 Expired
US6156756A Triazolo [4,5-d]pyrimidine compounds, their use as medicaments, compositions containing them and processes for their preparation Human Necessities 5 Expired
US5179087A Macrocyclic compounds Human Necessities 5 Expired
US5977105A Compounds Chemistry; Metallurgy 4 Expired
US3948955A 4'-Carboxy-flavone Human Necessities 4 Expired
US4518612A Naphthalene and 2-oxo-benzopyran acids and derivatives and pharamaceutical use thereof Chemistry; Metallurgy 2 Expired
US4042708A Pharmaceutical compositions containing 4-carboxy-flavones Human Necessities 0 Expired
US4824859A Pyrazoline compounds compositions and use Chemistry; Metallurgy 0 Expired

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