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US 5,212,309 AGranted
3-aminobenzene-1,2,4,5-tetracarboxylic dihydrazides and composition capable of chemiluminescence, and 3-aminobenzene-1,2,4,5-tetracarboxylic dianhydrides
AssigneeBASF SE
InventorsErnst Schefczik, Klaus Huemke
Life of this patent
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Abstract
Chemiluminescenct 3-aminobenzene-1,2,4,5-tetracarboxylic dihydrazides.
Claims3
A 3-aminobenzene-1,2,4,5-tetracarboxylic dihydrazide of the following formula I ##STR5## where R.sup.1 is H, methyl or ethyl and R.sup.2 is H, C.sub.1-6 -alkyl or C.sub.1-6 -alkoxy.
3-Amino-6-methylbenzne-1,2,4,5-tetracarboxylic dihydrazide.
Dependencies are inferred from the claim text.