改良されたセメント混合生成物 - Doublet Earl Grace and Company Connecticut

Title:

改良されたセメント混合生成物

Document Type and Number:

Japanese Patent JP3995264

Kind Code:

B2

Abstract:

The present invention is directed to a polyoxyalkylene ammonium salt of an imidized polycarboxylic acid polymer cement admixture, storage stable aqueous solutions of said polymer, and to improved cement compositions containing said polymer.

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Inventors:

Darwin, David Chillards
Gartner, Ellis Martin

Application Number:

JP50673197A

Publication Date:

October 24, 2007

Filing Date:

July 10, 1996

Export Citation:

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Assignee:

Doublet Earl Grace and Company Connecticut

International Classes:

C04B28/02; C04B24/26; C04B24/32; C08F8/32; C08F8/48; C08K3/34; C08L33/02; C08L33/24; C08L35/00; C04B103/32

Domestic Patent References:

JP5246743A

Foreign References:

WO1995009821A2

Attorney, Agent or Firm:

Heikichi Odashima
Heigo Odashima

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