Magnesium low rate number sulphonates
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United States of America Patent
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Jul 13, 1999
Issued Date -
N/A
app pub date -
Sep 22, 1998
filing date -
Feb 28, 1995
priority date (Note) -
Expired
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Abstract
Magnesium low base number (LBN) sulphonates derived from high molecular weight sulphonic acids have low viscosity and are chloride free. The magnesium low base number sulphonates are not skin sensitisers. In their preparation neutralisation of high molecular weight sulphonic acids or partially neutralised soaps of high molecular weight sulphonic acids is completed by the use of a high base number sulphonate in conjunction with a carboxylic acid. The process does not require the use of chloride containing promoters and produces low chloride products.
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