Elmar L. Goldsmith

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Regina, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method for treating potash with anticaking agent
- Patent number 4,536,418
- Issue date Aug 20, 1985
- PPG Industries Canada, Ltd.
- Elmar L. Goldsmith
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Rubble mining
- Patent number 4,264,104
- Issue date Apr 28, 1981
- PPG Industries Canada Ltd.
- Edward P. Helvenston
- E21 - EARTH DRILLING MINING
Information Patent Grant
Solution mining potassium chloride from heated subterranean cavities
- Patent number 4,239,287
- Issue date Dec 16, 1980
- PPG Industries Canada, Ltd.
- Elmar L. Goldsmith
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Preferential solution mining process
- Patent number 4,007,964
- Issue date Feb 15, 1977
- PPG Industries Canada Ltd.
- Elmar L. Goldsmith
- E21 - EARTH DRILLING MINING