IP Library › Granted Patent US 5,262,004
Granted Patent Utility
US 5,262,004 · App. 07/914,546

Method of extracting chemical preservatives from treated wood

Inventors: Roland Gilbert, Andre Besner, Pierre TETREAULT
Patented Case View Patent ↗
Granted: Nov 16, 1993 Filed: Jul 16, 1992
Inventors
Roland Gilbert
Andre Besner
Pierre TETREAULT
Assignee (at issue)
Hydro-Quebec

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Quick Facts
Patent No.
US 5,262,004
App. No.
07/914,546
Filed
1992-07-16
Granted
1993-11-16
Kind
A