06384111 is referenced by 19 patents and cites 5 patents.

Additives for mineral building materials made of water-soluble or water-dispersible polymers containing a carboxyl group, optionally in latent form, and at least one side chain of formula I:

—X—Y—[O—(Alk—O)

n

—R]

k

  (I)

wherein

k is 1, 2, 3 or 4;

Y is a C

1

-C

4

-alkylene unit, or a single bond if X is a carbonyl group, or when k≠1, can also be

 X is

 wherein R′ is hydrogen, C

1

-C

20

-alkyl, C

5

-C

10

-cycloalkyl, C

6

-C

20

-aryl, C

1

-C

20

-alkanoyl, C

7

-C

21

-aroyl, (Alk-O)

n

—R or -Alk′-O(Alk-O)

n

—R;

Alk is C

2

-C

4

-alkylene;

Alk′ is C

1

-C

4

-alkylene optionally having an OH group;

n is a number in the range from 15 to 300; and

R is hydrogen, C

1

-C

20

-alkyl, C

5

-C

8

-cycloalkyl, C

6

-C

20

-aryl, C

1

-C

20

-alkanoyl or C

7

-C

21

-aroyl; are obtained by polymerization of ethylenically unsaturated monomers in the presence of phosphorus-containing compounds and, if appropriate, subsequent polymer-analogous conversion.

Title
Polymers containing carboxyl groups and polyalkylene ether side- chains as additives in mineral building materials
Application Number
9/331167
Publication Number
6384111 (B1)
Application Date
June 21, 1999
Publication Date
May 7, 2002
Inventor
Alfred Ruland
Schriesheim
US
Markus Hartmann
Neustadt
US
Johannes Perner
Neustadt
US
Paul Klingelhofer
Mannheim
US
Axel Kistenmacher
Ludwigshafen
US
Agent
Oblon Spivak McClelland Maier & Neustadt P C
US
Assignee
BASF Aktiengesellschaft
US
IPC
C08F 220/04
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