Jan K. De Keyzer

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Schilde, BE

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Patents Grantslast 30 patents

Information Patent Grant
Process of cooling a heated polyethylene terephthalate film
- Patent number 5,028,691
- Issue date Jul 2, 1991
- Agfa-Gevaert, N.V.
- Gery Vancoppenolle
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for making curled photographic film
- Patent number 4,892,689
- Issue date Jan 9, 1990
- AGFA-GEVAERT N.V.
- Jan B. Van Cappellen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL