Inventor

LEGRAS ROGER

BE5 patents

⚠️ This page may combine multiple inventors who share the name “LEGRAS ROGER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNIV CATHOLIQUE LOUVAIN

3 patents

US4956219ASep 11, 1990

method of producing perforations in a solid material in sheet form, an irradiation device for working the method, and the resulting perforated material

UNIV CATHOLIQUE LOUVAIN68 citations94

US6861006B2Mar 1, 2005

Method for creating pores in a polymer material

UNIV CATHOLIQUE LOUVAIN14 citations79

US7419612B2Sep 2, 2008

Method of creating pores in a thin sheet of polyimide

UNIV CATHOLIQUE LOUVAIN1 citations46

CYCLOPORE S A

1 patent

US6120875ASep 19, 2000

Transparent micro perforated material and preparation process

CYCLOPORE S A23 citations81

UNIBRA SA

1 patent

US3965064AJun 22, 1976

Process for the crystallization of polycarbonates and products obtained

UNIBRA SA23 citations74