Inventor · Chester, CT, US

Keith M. DeVries

16Patents
4h-index
31Co-inventors
52Inventor score

Filing activity: Aug 15, 1995 → Jan 6, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US6291489A Process for substituted pyridines Emerging Cross-Sectional Technologies 12 Expired
US6380204B1 Atropisomers of 3-heteroaryl-4(3H)-quinazolinones for the treatment of neurodegenerative and CNS-trauma related conditions Chemistry; Metallurgy 10 Expired
US6124457A Process and intermediates for a .beta..sub.3 -adrenergic receptor agonist Human Necessities 9 Expired
US6031114A Process for pyrrolidinyl hydroxamic acid compounds Emerging Cross-Sectional Technologies 4 Expired
US6677335B1 Pharmaceutically active compounds Chemistry; Metallurgy 4 Expired
US6090942A Process and intermediates for a .beta..sub.3 -adrenergic receptor agonist Human Necessities 4 Expired
US6306864A Atropisomers of 3-aryl-4(3H)-quinazolinones and their use as AMPA-receptor antagonists Chemistry; Metallurgy 3 Expired
US5726344A Enantiomeric enrichment of bicyclic alcohols Chemistry; Metallurgy 2 Expired
US5916902A Processes and intermediates for preparing 5, 7-dihydro-3-2-(1-benzylpiperidin-4-yl)ethyl-!6H-pyrrolo-4, 5-F!-1, 2-benzisoxazol-6-one Chemistry; Metallurgy 1 Expired
US7176311B2 Process for preparing pharmaceutically active compounds Chemistry; Metallurgy 1 Expired
US6809200B2 Process for the preparation of pyrazolo[4,3-d]pyrimidin-7-one compounds and intermediates thereof Chemistry; Metallurgy 0 Expired
US6359137B1 Process for preparing trovafloxacin acid salts Chemistry; Metallurgy 0 Expired
US6624313B2 Process for preparing hydroxypyrrolidinyl ethylamine compounds useful as kappa agonists Chemistry; Metallurgy 0 Expired
US6410750B1 Processes and intermediates for preparing 3(S)-[(5-chloro-1H-indole-2-carbonyl)-amino]-2(R)-hydroxy-4-phenyl-butyric acid Chemistry; Metallurgy 0 Expired
US6013808A Method of purifying carbazole ester precursors of 6-chloro-.alpha.-methyl-carbazole-2-acetic acid Chemistry; Metallurgy 0 Expired
US6096893A Process and intermediates for 3-heteroaryl-4(3H) quinazolines Chemistry; Metallurgy 0 Expired

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