Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hubert Dörrer0
Rudolf Lunkenheimer0
Jochen Stein0
Date of Patent
December 30, 2008
0Patent Application Number
105287980
Date Filed
August 21, 2003
0Patent Primary Examiner
Patent abstract
The invention relates to suspensions, to the production of said suspensions, and to the use thereof for accelerating the setting and hardening of cement and mixtures containing the same. According to the invention, said suspensions consist of aluminium sulphate in a quantity of more than 8 wt. % as Al2O3, preferably between 10 and 12 wt. %, and of suspended bentonite in a quantity of between 1 and 7 wt. %. Said suspensions can especially be used as economical and ecological alternatives in the field of wet spraying. The inventive suspensions are free of COD and alkali.
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