Halina Leszczynska

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Warsaw, PL

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Patents Grantslast 30 patents

Information Patent Grant
Method of granulation of sulfur
- Patent number 4,263,012
- Issue date Apr 21, 1981
- Instytut Przemyslu Organicznego
- Halina Leszczynska
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of prilled sulphur storage in the open area
- Patent number 4,190,627
- Issue date Feb 26, 1980
- Instytut Przemysku Organicznega
- Halina Leszczynska
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL