Inventor
HONKANEN ERKKI
FI9 patents
Patents
9 patentsUS5569657AOct 29, 1996
(-)-[[4-(1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl)phenyl]-hydrazono]propanedinitrile
ORION YHTYMAE OY48 citations93
US5614541AMar 25, 1997
Pharmacologically active catechol derivatives
ORION YHTYMAE OY13 citations80
US5424428AJun 13, 1995
(-)-[[4-(1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl)phenyl]-hydrazono]pr
ORION YHTYMAE OY15 citations79
US6121303ASep 19, 2000
Pharmacologically active catechol derivatives
ORION YHTYMAE OY7 citations71
US5889037AMar 30, 1999
Pharmacologically active catechol derivatives
ORION YHTYMAE OY8 citations71
US5512571AApr 30, 1996
(-) 4-(1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl)phenyl!-hydra-zono!propanedinitrile
ORION YHTYMAE OY8 citations71
US5362733ANov 8, 1994
Pharmacologically active catechol derivatives
ORION YHTYMAE OY11 citations71
US5382699AJan 17, 1995
Method for the preparation of 3,4-dihydroxy-5-nitrobenzaldehyde
ORION YHTYMAE OY2 citations53
US5356923AOct 18, 1994
1-hydroxy-4(3-cyclopentyloxy-4-methoxyphenyl)-2-pyrrolidone and anti-hypertensive use thereof
ORION YHTYMAE OY0 citations42