Hydroxy carboxylic acid esters, manufacturing process thereof and use thereof

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United States of America

PATENT NO 11208372
APP PUB NO 20210053904A1
SERIAL NO

16990496

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Abstract

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Disclosed are compounds of formula (I)

description='In-line Formulae' end='lead'(R1OOC)a—R2(OH)c—COO—(CnH2n—O)m—OC—R3(OH)d—(COOR4)b  (I)description='In-line Formulae' end='tail'

wherein R1 and R4 independently of one another are hydrogen, a metal cation, an ammonium cation, C1-C6-alkyl, cycloalkyl with three to nine ring carbon atoms, aryl with five to ten ring carbon atoms, aryl that is substituted with one or two alkyl groups, aryl that is connected via an alkylene group with the carboxyl group, —(CnH2n—O)m—H or —O—R2(COOR1)a+1,

R2 and R3 independently of one another are aliphatic hydrocarbon residues with one to eight carbon atoms,

a and b independently of one another are integers from 1 to 4,

c is an integer from 0 to 4,

d is an integer from 1 to 4,

n is 2, 3 or 4, and

m is 1, 2, 3 or 4, with the proviso that

R1 and R4 may be different within a molecule within the given definitions.

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Patent Owner(s)

Patent OwnerAddress
WEYLCHEM PERFORMANCE PRODUCTS GMBHKASTELER STR 45 WIESBADEN 65203

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kchirid, Said Heigenbrücken, DE 5 0
Kuhse, Bo Wiesbaden, DE 5 3
Morschhäuser, Roman Mainz, DE 15 13
Preuschen, Judith Sörgenloch, DE 51 222

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