Hans-Josef Humpert

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Anrochte, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing electrophotographically active titanylphthalo...
- Patent number 5,786,121
- Issue date Jul 28, 1998
- Syntec Gesellschaft fur Chemie und Technologie der Informationsaufzeichnu ng mbH
- Andreas M. Richter
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY