Otto Pilz

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Langen, DE

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Patents Grantslast 30 patents

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Positive nonsilver washout systems containing dihydropyridines and...
- Patent number 4,271,260
- Issue date Jun 2, 1981
- E. I. Du Pont de Nemours and Company
- Werner Abele
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Positive non-silver systems containing nitrofuryldihydropyridine
- Patent number 4,181,531
- Issue date Jan 1, 1980
- E. I. Du Pont de Nemours and Company
- Otto Pilz
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY