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US 2009/0156857 A1Published application
Diaminium bis-3,5-dicarboxybenzensulfonate and tri-diaminium bis-3,5-dicarboxybenzensulfonate and methods for producing same
AssigneeFuture Fuel Chemical Company
InventorsTracy Torno, Candice Stalker, Maria Adriana Sousa-Ragle, Todd Coleman, Ronnie Hampton
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Abstract
A composition of matter comprising a diamine salt and sulfoisophthalic acid in a ratio other than one salt to one acid and a process for producing a diamine salt of sulfoisophthalic acid comprising generating a sulfoisophthalic acid and charging the sulfoisophthalic acid with diamine.
Claims30
A composition of matter comprising:
- a diamine;
- a sulfoisophthalic acid;
- wherein the molar ratio of said diamine to said sulfoisophthalic acid is not a ratio of one diamine to one acid.
16 The composition of matter of claim 1, wherein said composition is provided in solution.
A method for producing a diamine salt of sulfoisophthalic acid, said method comprising:
- generating a sulfoisophthalic acid;
- and
- charging said sulfoisophthalic acid with diamine, wherein said sulfoisophthalic acid is a free acid.
Dependencies are inferred from the claim text.