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US 5,350,450 AGranted
Admixture for concrete mixes
AssigneeSandoz Ltd.
InventorsKenkichi Hamabe, Shigemi Matsuo, Hiroshi Nomachi, Hideo Ogawa, Minoru Ueda
Life of this patent
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Abstract
A method for applying a cementitious composition to a surface comprising 1) adding to the cementitious composition a) a set retarding agent; b) a cement quick-setting agent; c) a cement dispersing agent; d) a slow release dispersing agent, that hydrolyzes under alkaline conditions to form a dispersing agent; and 2) applying the concrete to a surface while the concrete is fluid.
Claims15
A method for applying a cementitious composition to a surface comprising:
- 1) creating a fluid composition which comprises the cementitious composition, plus
- a) 0.001 to 5.0% of a set retarding agent;
- b) 1.0 to 10% of a cement quick-setting agent;
- c) 0.01 to 2% of a cement dispersing agent;
- d) 0.01 to 0.2% of a slow release cement dispersing agent;
- and
- 2) applying the fluid composition to a surface while the fluid composition remains fluid.
4 more elements
A composition comprising
- a) 0.001 to 5.0% of a set retarding agent;
- b) 1.0 to 10% of a cement quick-setting agent;
- c) 0.01 to 2% of a cement dispersing agent;
- and
- d) 0.01 to 0.2% of a slow release cement dispersing agent that hydrolyses under alkaline conditions to form a dispersing agent.
2 more elements
Dependencies are inferred from the claim text.