Adam Pawelczyk

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Wroclaw, PL

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Patents Grantslast 30 patents

Information Patent Grant
Method of preparation of multicomponent fertilizers
- Patent number 4,321,077
- Issue date Mar 23, 1982
- Politechnika Wroclawska
- Jerzy Schroeder
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Method of washing waste phosphogypsum
- Patent number 4,301,130
- Issue date Nov 17, 1981
- Politechnika Wroclawska
- Jeizy Schroeder
- C01 - INORGANIC CHEMISTRY