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
1997-05-27
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, C08F 834, C08K 300
Patent
active
056332980
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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Arfaei Ahmad
Chun Byong-Wa
Darwin David C.
Gartner Ellis M.
Koyata Hideo
Lee Helen
Troffkin Howard
W. R. Grace & Co.,-Conn.
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