C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
117/163, 117/7
C04B 22/08 (2006.01) C04B 41/50 (2006.01) C04B 41/65 (2006.01)
Patent
CA 1328584
ABSTRACT OF THE DISCLOSURE The invention is a method for preventing a hardened cementitious material from deteriorating or for repairing a deteriorated cementitious material, and more particularly to such method for the hardened cementitious material comprising metal materials to be corroded by a salt content and cause alkali-aggregate. It is characterized by applying a cement paste, mortar or concrete added with 1 - 25 weight % lithium nitrite relative to the cement content so as to cover the surface of hardened cementitious material.
580316
Hori Takahiro
Nakamura Yuji
Sakaguchi Yuriko
Takakura Makoto
Nissan Chemical Industries Ltd.
Riches Mckenzie & Herbert Llp
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