Sonia Megert

Follow

Person

Ueken, CH

People

Patents Grantslast 30 patents

Information Patent Grant
Process for removing stain in a photographic material
- Patent number 6,890,706
- Issue date May 10, 2005
- Ciba Specialty Chemicals Corporation
- Christophe Bulliard
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Process for the removing stain in a photographic material
- Patent number 6,506,545
- Issue date Jan 14, 2003
- Ciba Specialty Chemicals Corporation
- Christophe Bulliard
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
Process for removing stain in a photographic material
- Publication number 20030148231
- Publication date Aug 7, 2003
- Christophe Bulliard
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY