Curt Holdengraber

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Qiryat Tivon, IL

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing potassium sulfate from potash and sodium sulfate
- Patent number 6,143,271
- Issue date Nov 7, 2000
- Dead Sea Works
- Curt Holdengraber
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Co-production of potassium sulfate, sodium sulfate and sodium chloride
- Patent number 5,552,126
- Issue date Sep 3, 1996
- Dead Sea Works Ltd.
- Itzhak Efraim
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of potassium sulfate using differential contacting
- Patent number 5,549,876
- Issue date Aug 27, 1996
- Dead Sea Works
- Tuvia Zisner
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Co-production of potassium sulfate and sodium sulfate
- Patent number 5,529,764
- Issue date Jun 25, 1996
- Dead Sea Works Ltd.
- Shalom Lampert
- C01 - INORGANIC CHEMISTRY