Patent · US Expired

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

US4956219A · kind A · utility

32Cited by

7References

30Claims

0Family size

Assignee

UNIVERSITÉ CATHOLIQUE DE LOUVAIN · BE

Inventors

Roger Legras · Hannut, BE
Yves Jongen · Louvain-la-Neuve, BE

Key dates

Filing date	Jan 25, 1988
Grant date	Sep 11, 1990
Priority date	—
Expiry date	Jan 25, 2008

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2323/34
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

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

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.