VEB Filmfabrik Wolfen

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Patents Grantslast 30 patents

Information Patent Grant
Process for the introduction of hydrophobic photographic additives
- Patent number 4,419,440
- Issue date Dec 6, 1983
- VEB Filmfabrik Wolfen
- Lothar Kuhnert
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
One- or two-component diazo-type material with diphenyl diamine as...
- Patent number 4,419,431
- Issue date Dec 6, 1983
- VEB Filmfabrik Wolfen
- Regina Lischewski
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of dispersing oil soluble photographic additives
- Patent number 4,410,624
- Issue date Oct 18, 1983
- VEB Filmfabrik Wolfen
- Dieter Plaschnick
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Diazonium salts and a diazo-type material comprising these diazoniu...
- Patent number 4,400,458
- Issue date Aug 23, 1983
- VEB Filmfabrik Wolfen
- Fred Walkow
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Light sensitive, color photographic silver halide compositions with...
- Patent number 4,387,159
- Issue date Jun 7, 1983
- VEB Filmfabrik Wolfen
- Horst Engelmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Silver-free light-sensitive material
- Patent number 4,360,587
- Issue date Nov 23, 1982
- VEB Filmfabrik Wolfen
- Carmen Haessner geb. Michael
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic materials with antihalation means based upon silver ha...
- Patent number 4,312,941
- Issue date Jan 26, 1982
- VEB Filmfabrik Wolfen
- Martin Scharf
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light sensitive, color photographic silver halide compositions with...
- Patent number 4,286,054
- Issue date Aug 25, 1981
- VEB Filmfabrik Wolfen
- Horst Englemann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Silver-halide emulsion sensitized with an asymmetrical disulfide
- Patent number 4,120,726
- Issue date Oct 17, 1978
- VEB Filmfabrik Wolfen
- Gerhard Hanisch
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
74008453 - ORWOCOLOR
- Serial number 74008453
- Registration number 1607910
- Filing date Dec 5, 1989
- VEB FILMFABRIK WOLFEN
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information Trademark
74008154 - ORWO
- Serial number 74008154
- Registration number 1608704
- Filing date Dec 5, 1989
- VEB FILMFABRIK WOLFEN
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information Trademark
72285600 - ORWOCOLOR
- Serial number 72285600
- Registration number 868669
- Filing date Nov 24, 1967
- VEB FILMFABRIK WOLFEN
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information Trademark
72285599 - ORWO
- Serial number 72285599
- Registration number 868668
- Filing date Nov 24, 1967
- VEB FILMFABRIK WOLFEN
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry

VEB Filmfabrik Wolfen

Organization

Patents Grantslast 30 patents

Process for the introduction of hydrophobic photographic additives

One- or two-component diazo-type material with diphenyl diamine as...

Method of dispersing oil soluble photographic additives

Diazonium salts and a diazo-type material comprising these diazoniu...

Light sensitive, color photographic silver halide compositions with...

Silver-free light-sensitive material

Photographic materials with antihalation means based upon silver ha...

Light sensitive, color photographic silver halide compositions with...

Silver-halide emulsion sensitized with an asymmetrical disulfide

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

74008453 - ORWOCOLOR

74008154 - ORWO

72285600 - ORWOCOLOR

72285599 - ORWO