Detergent builder
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 27, 1987
Issued Date -
N/A
app pub date -
Feb 14, 1986
filing date -
Oct 24, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Products which are useful as detergent builders and which do not contain nitrogen or phosphorous atoms are described. Such detergent builders comprise one or more compounds of the Formula I-V below: [MOOCCH.sub.2 (MOOC)CHOCH.sub.2 ].sub.2 CHOCH(COOM)CH.sub.2 COOM (I) HOCH.sub.2 CH(OH)CH.sub.2 OCH(COOM)CH.sub.2 COOM; (II) HOCH.sub.2 CH[OCH(COOM)CH.sub.2 COOM]CH.sub.2 OCH(COOM)CH.sub.2 COOM; (III) MOOCCH.sub.2 (MOOC)CHOCH.sub.2 CH(OH)CH.sub.2 OCH(COOM)CH.sub.2 COOM; (IV) or HOCH.sub.2 CH[OCH(COOM)CH.sub.2 COOM]CH.sub.2 OH (V) wherein M is a salt-forming cation or hydrogen or mixtures thereof. Such compounds and/or mixtures thereof are produced by reacting glycerin with maleic acid (or a source thereof) in the presence of an alkaline earth metal hydroxide.
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Cited Art Landscape
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