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US 7,002,041 B2Granted
Stabilized amide composition
AssigneeMitsui Chemicals, Inc.
InventorsTakeya Abe, Kenju Sasaki
Life of this patent
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Abstract
An amide composition containing an unsaturated amide, a sulfur-containing compound, and a weak acid salt. The composition can include an amide in crystalline form or the composition can be in form of aqueous solution. The composition can exhibit improved stability whereby polymerization of the amide is inhibited.
Claims18
An amide composition comprising acrylamide, a sulfur-containing compound which is thiourea or phenothiazine and a weak acid salt.
An amide composition comprising methacrylamide, a sulfur-containing compound which is thiourea or phenothiazine and a weak acid salt.
Dependencies are inferred from the claim text.