IP Library Granted Patent US 5,957,539
Granted Patent Utility
US 5,957,539 · App. 08/895,983

Process for excavating a cavity in a thin salt layer

Inventors: Jean-Gerard Durup, Guy Boris, Yvon Charnavel
Patented Case View Patent ↗
Granted: Sep 28, 1999 Filed: Jul 17, 1997
Inventors
Jean-Gerard Durup
Guy Boris
Yvon Charnavel
Assignee (at issue)
Gaz de France-(GDF) Service National

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Quick Facts
Patent No.
US 5,957,539
App. No.
08/895,983
Filed
1997-07-17
Granted
1999-09-28
Kind
A