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US 4,761,476 AGranted
Compounds formed by the reaction of piperazine, and derivatives thereof, with glyoxal, and derivatives thereof
AssigneeThe Dow Chemical Company
InventorDuane S. Treybig
Life of this patent
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Abstract
The reaction products of piperazine or alkyl, aryl or aralkyl substituted piperazine and glyoxal or alkyl substituted glyoxal.
Claims8
A composition of matter having the following chemical formula:
- ##STR6## where R and R' are hydrogens;
- and
- R" is hydrogen or C.sub.1 to C.sub.4 alkyl.
The composition which results from reacting ##STR7## where R and R' are hydrogens;
- with ##STR8## where R" is hydrogen or C.sub.1 to C.sub.4 alkyl, wherein components (A) and (B) are employed in quantities which provide a mole ratio of (A):(B) of from about 0.5:1 to about 10:1.
A composition formed from the reaction of 2 molecules of piperazine with 1 molecule of glyoxal.
A composition where the compound is formed from the reaction of 1 molecule of piperazine with 1 molecule of glyoxal.
A diol product formed from the reaction of 2 molecules of piperazine with 1 molecule of glyoxal.
Dependencies are inferred from the claim text.