starting from anhydrite

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for treating gypsum
- Patent number 11,512,019
- Issue date Nov 29, 2022
- Yoshino Gypsum Co., Ltd.
- Kouji Nitoh
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Usage of fly ash from flue gas desulfurization to make compositions...
- Patent number 10,640,421
- Issue date May 5, 2020
- Chin-Tien Lien
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method of curing a gypsum calcination product
- Patent number 10,183,890
- Issue date Jan 22, 2019
- Saint-Gobain Placo SAS
- Cedric Biguenet
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
3906083
- Patent number 3,906,083
- Issue date Sep 16, 1975
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
3770468
- Patent number 3,770,468
- Issue date Nov 6, 1973
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
1941188
- Patent number 1,941,188
- Issue date Dec 26, 1933
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
1898636
- Patent number 1,898,636
- Issue date Feb 21, 1933
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
1442406
- Patent number 1,442,406
- Issue date Jan 16, 1923
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES