C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 16/02 (2006.01) C04B 24/38 (2006.01) C04B 28/00 (2006.01) C04B 28/02 (2006.01) C04B 40/00 (2006.01)
Patent
CA 2386298
The present invention refers to cementitious mortar additives essentially containing al least a hydroxyalkyl guar derivative having a molar substitution greater than 0.7, to dry cementitious mortars containing from 0.1 to 1.5% by weight of said additive and to cementitious mortars obtained by addition of water to said dry compositions.
La présente invention concerne des additifs de mortier cimentaire contenant essentiellement au moins un dérivé de guar hydroxyalkyle ayant une substitution molaire supérieure à 0,7, des mortiers cimentaires secs contenant de 0,1 à 1,5 % en poids de cet additif et des mortiers cimentaires obtenus par addition d'eau auxdites compositions sèches.
Li Bassi Giuseppe
Margheritis Giampiero
Pfeiffer Ugo Claudio
Sironi Enrico
Lamberti Spa
Marks & Clerk
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