Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1995-06-06
1997-07-01
Lee, Helen
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
5253299, 106728, C08K 300, C08F 834
Patent
active
056439784
ABSTRACT:
The present invention is directed to an imidized polycarboxylic acid polymer useful as a cement admixture, to improved cement compositions containing said polymer and to a process of forming the same.
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Chun Byong-Wa
Darwin David Charles
Gartner Ellis Martin
Koyata Hideo
Kuo Lawrence Lu
Lee Helen
Troffkin Howard J.
W. R. Grace & Co.,-Conn.
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