Back to results
US 4,621,046 AGranted
Pyrazolo(1,5-B)-1,2,4-triazole derivatives
AssigneeFuji Photo Film Co., Ltd.
InventorsTadahisa Sato, Toshio Kawagishi, Nobuo Furutachi
Life of this patent
Estimating the term…
Abstract
A novel pyrazolo[1,5-b]-1,2,4-triazole derivative represented by the general formula (I) is described. ##STR1## wherein R.sub.1 and R.sub.2 which may be the same or different, each represents a hydrogen atom or a substituent; X represents a hydrogen atom or a group capable of being released upon coupling; and Y represents a hydrogen atom or an aralkyl group.
Claims8
A novel pyrazolo[1,5-b]-1,2,4-triazole derivative compound represented by general formula (I):
- ##STR23## wherein R.sub.1 and R.sub.2 are independently a hydrogen atom or a substituent;
- X is a hydrogen atom or a group capable of being released upon coupling;
- Y represents a hydrogen atom or an aralkyl group.
Dependencies are inferred from the claim text.