Wolfgang Friedrich

Follow

Person

Urberach, DT

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing photographic silver halide emulsions having a...
- Patent number 4,070,190
- Issue date Jan 24, 1978
- E. I. Du Pont de Nemours and Company
- Wolfgang Friedrich
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY