Johannes H. W. Leuvering

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Heesch, NL

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Patents Grantslast 30 patents

Information Patent Grant
Application of water-dispersible hydrophobic dyes or pigments as la...
- Patent number 4,373,932
- Issue date Feb 15, 1983
- Akzona Incorporated
- Thomas C. J. Gribnau
- G01 - MEASURING TESTING
Information Patent Grant
Metal sol particle immunoassay
- Patent number 4,313,734
- Issue date Feb 2, 1982
- Akzona Incorporated
- Johannes H. W. Leuvering
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for colorimetric determination
- Patent number 4,254,223
- Issue date Mar 3, 1981
- Akzona Incorporated
- Antonius H. W. M. Schuurs
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL