Inventor · Helsinki, FI

Jorma Haarala

4Patents
4h-index
7Co-inventors
39Inventor score

Filing activity: Oct 31, 1990 → May 31, 1995

Most-cited inventions

PatentTitleAreaCited byStatus
US5135950A Stable polymorphic form of (E)-N,N-diethyl-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)acrylamide and the process for its preparation Human Necessities 33 Expired
US5569657A (-)-[[4-(1,4,5,6-tetrahydro-4-m ethyl-6-oxo-3-pyridazinyl)phenyl]-hydrazono]propanedinitrile Human Necessities 26 Expired
US5512571A (-) 4-(1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl)phenyl!-hydra-zono! propanedinitrile Human Necessities 4 Expired
US5424428A ( -)-[[4-(1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl)phenyl]-hydrazono]p r Human Necessities 4 Expired

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