Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ying Chen0
Hideo Koyata0
Lawrence L. Kuo0
Date of Patent
November 28, 2017
Patent Application Number
14671210
Date Filed
March 27, 2015
Patent Primary Examiner
Patent abstract
The present invention provides methods, admixture compositions for treating clay-bearing aggregates used for construction purposes, and aggregate compositions for construction purposes. The clay-bearing aggregates are treated with a cationic copolymer made from two and preferably three different monomer components. Cementitious compositions containing the treated aggregates are also described.
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