Werner Franke

Person

Wiesbaden, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Light-sensitive polycondensation product containing diazonium group...
- Patent number 4,812,384
- Issue date Mar 14, 1989
- Hoechst Aktiengesellschaft
- Werner Franke
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Organic electrophotographic material sensitized by cyanine dye
- Patent number 4,681,827
- Issue date Jul 21, 1987
- Hoechst Aktiengesellschaft
- Werner Franke
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic recording material containing zinc oxide and cy...
- Patent number 4,663,261
- Issue date May 5, 1987
- Hoechst Aktiengesellschaft
- Werner Franke
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic material sensitized by 3,3'-dimethylindolenine...
- Patent number 4,657,836
- Issue date Apr 14, 1987
- Hoechst Aktiengesellschaft
- Werner Franke
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic recording material
- Patent number 4,603,098
- Issue date Jul 29, 1986
- Hoechst Aktiengesellschaft
- Werner Franke
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic material with cyanine sensitizer with betaine g...
- Patent number 4,562,134
- Issue date Dec 31, 1985
- Hoechst Aktiengesellschaft
- Werner Franke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Light-sensitive layer transfer material
- Patent number 4,389,480
- Issue date Jun 21, 1983
- Hoechst Aktiengesellschaft
- Werner Franke
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic recording material and process for its production
- Patent number 4,387,148
- Issue date Jun 7, 1983
- Hoechst Aktiengesellschaft
- Werner Franke
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for making relief-type recordings
- Patent number 4,337,308
- Issue date Jun 29, 1982
- Hoechst Aktiengesellschaft
- Werner Franke
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Werner Franke

Person

Patents Grantslast 30 patents

Light-sensitive polycondensation product containing diazonium group...

Organic electrophotographic material sensitized by cyanine dye

Electrophotographic recording material containing zinc oxide and cy...

Electrophotographic material sensitized by 3,3'-dimethylindolenine...

Electrophotographic recording material

Electrophotographic material with cyanine sensitizer with betaine g...

Light-sensitive layer transfer material

Electrophotographic recording material and process for its production

Process for making relief-type recordings