Erwin Ranz

Person

Leverkusen, DT

People

Patents Grantslast 30 patents

Information Patent Grant
Light sensitive photographic material
- Patent number 4,088,491
- Issue date May 9, 1978
- Agfa-Gevaert Aktiengesellschaft
- Heinrich Odenwalder
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Light-sensitive photographic material
- Patent number 4,052,213
- Issue date Oct 4, 1977
- AGFA-Gevaert, A.G.
- Hans Heinrich Credner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Color photographic material with homophthalimide thioether developm...
- Patent number 4,046,574
- Issue date Sep 6, 1977
- AGFA-Gevaert, Aktiengesellschaft
- Heinrich Odenwalder
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for hardening photographic layers with carbodiimide compoun...
- Patent number 4,043,818
- Issue date Aug 23, 1977
- AGFA-Gevaert, A.G.
- Wolfgang Himmelmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Color correction of unwanted side densities in light-sensitive colo...
- Patent number 4,036,646
- Issue date Jul 19, 1977
- AGFA-Gevaert, A.G.
- Ehrhard Hellmig
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light-sensitive color photographic material with masking layer comp...
- Patent number 4,023,970
- Issue date May 17, 1977
- AGFA-Gevaert, A.G.
- Ehrhard Hellmig
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Incorporation process
- Patent number 4,003,748
- Issue date Jan 18, 1977
- AGFA-Gevaert, A.G.
- Hans Langen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic material containing fogged, direct positive silver hal...
- Patent number 3,941,595
- Issue date Mar 2, 1976
- AGFA-Gevaert, A.G.
- Erwin Ranz
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Person

Patents Grantslast 30 patents

Light sensitive photographic material

Light-sensitive photographic material

Color photographic material with homophthalimide thioether developm...

Process for hardening photographic layers with carbodiimide compoun...

Color correction of unwanted side densities in light-sensitive colo...

Light-sensitive color photographic material with masking layer comp...

Incorporation process

Photographic material containing fogged, direct positive silver hal...