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| Number | Title | Issue Date |
| 5690729 | Cement mixtures with alkali-intolerant matter and method A method of reinforcing cement/concrete mixtures with alkali-intolerant reinforcements and/or aggregate, such as uncoated, common glass filament, plastic filament, fabric and roving made therefrom by reducing the pH of the mixture while in its plastic sta... | 11/25/1997 |
| 5618104 | Method for cooling white cement clinker A method of cooling white cement clinker sintered in a rotary kiln includes the following steps: introducing the white cement clinker from the rotary kiln into a first cooling stage; comminuting the white cement clinker in the first cooling stage; quenchi... | 04/08/1997 |
| 4595416 | Method and apparatus for producing cement clinker including white cement A method and apparatus for producing cement which includes intermixing the cement forming raw materials with water, coal or coke and cement as a binder and forming this mixture of materials into nodules by pelletizing or extrusion. The system is particula... | 06/17/1986 |
| 4101337 | Cement manufacture A method is disclosed for manufacturing white cement wherein cement clinker is burnt in a kiln and prior to discharge from the kiln the clinker is contacted with a reducing agent such as fuel oil. The method further comprises discharging the hot cement cl... | 07/18/1978 |
| 3961974 | Method of manufacture of improved white portland cement Improved white portland cement is made by utilizing briquettes or pellets having a smallest dimension of 1/4 to 3/4 inch to accomplish a uniform optimum heat transfer during the quenching step.... | 06/08/1976 |
