Helmut W. Majewski

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Nyack, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Dicalcium phosphate dihydrate having improved monofluorophosphate c...
- Patent number 4,496,527
- Issue date Jan 29, 1985
- Stauffer Chemical Company
- Fawzy G. Sherif
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dicalcium phosphate dihydrate having improved monofluorophosphate c...
- Patent number 4,487,749
- Issue date Dec 11, 1984
- Stauffer Chemical Company
- Fawzy G. Sherif
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for removing mercury from brine sludges
- Patent number 4,124,459
- Issue date Nov 7, 1978
- Stauffer Chemical Company
- Julian E. Blanch
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Disposal of heavy metal containing sludge wastes
- Patent number 4,113,504
- Issue date Sep 12, 1978
- Stauffer Chemical Company
- Kon S. Chen
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES