Johan Vaes

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Kaltmhout, BE

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Patents Grantslast 30 patents

Information Patent Grant
Device and method for degassing solvent-containing polycarbonate so...
- Patent number 8,383,757
- Issue date Feb 26, 2013
- Bayer MaterialScience AG
- Thomas König
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Bisphenol production
- Patent number 6,723,885
- Issue date Apr 20, 2004
- Bayer Aktiengesellschaft
- Frieder Heydenreich
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for drying polymeric powders and polymeric agglomerates
- Patent number 5,786,445
- Issue date Jul 28, 1998
- Bayer Aktiengesellschaft
- Claus Wulff
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for the purification of bisphenol
- Patent number 5,785,823
- Issue date Jul 28, 1998
- Bayer AG Konzernverwaltung RP
- Kurt-Peter Meurer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the preparation of ultra-pure bisphenol A and the use th...
- Patent number 5,696,295
- Issue date Dec 9, 1997
- Bayer AG
- Claus Wulff
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
DEVICE AND METHOD FOR DEGASSING SOLVENT-CONTAINING POLYCARBONATE SO...
- Publication number 20120123084
- Publication date May 17, 2012
- Bayer Material Science AG
- Thomas König
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
DEVICE AND METHOD FOR DEGASSING SOLVENT-CONTAINING POLYCARBONATE SO...
- Publication number 20120108782
- Publication date May 3, 2012
- Bayer MaterialScience AG
- Thomas König
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL