Roger Legras

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Lens-Saint-Remy, BE

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Patents Grantslast 30 patents

Information Patent Grant
Method of creating pores in a thin sheet of polyimide
- Patent number 7,419,612
- Issue date Sep 2, 2008
- Universite Catholique De Louvain
- Roger Legras
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Method for creating pores in a polymer material
- Patent number 6,861,006
- Issue date Mar 1, 2005
- Universite Catholique De Louvain
- Etienne Ferain
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Transparent micro perforated material and preparation process
- Patent number 6,120,875
- Issue date Sep 19, 2000
- Cyclopore S.A.
- Charles Haumont
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
method of producing perforations in a solid material in sheet form,...
- Patent number 4,956,219
- Issue date Sep 11, 1990
- Universite Catholique de Louvain
- Roger Legras
- B26 - HAND CUTTING TOOLS CUTTING SEVERING

Patents Applicationslast 30 patents

Information Patent Application
Method of creating pores in a thin sheet of polyimide
- Publication number 20060000798
- Publication date Jan 5, 2006
- Roger Legras
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
Method for creating pores in a polymer material
- Publication number 20030087083
- Publication date May 8, 2003
- Etienne Ferain
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
Method for creating pores and microporous film
- Publication number 20030020024
- Publication date Jan 30, 2003
- Etienne Ferain
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL