The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 10, 1988
Filed:
Feb. 20, 1987
Applicant:
Inventors:
Peter S Gradeff, Pottersville, NJ (US);
John F Davison, Edison, NJ (US);
Assignee:
Rhone-Poulenc Inc., Monmouth Junction, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; B05D / ;
U.S. Cl.
CPC ...
427297 ; 106 1505 ; 252397 ; 427440 ; 428541 ;
Abstract
The invention is a method for pressure treatment of wood using compositions comprising aqueous solutions of one or more lanthanide derivatives. Wood is immersed in a pressure vessel containing a lanthanide derivative composition, and hydrostatic pressure is applied. The treatment is carried out at temperatures not exceeding about 95.degree. C., and more preferably at between about 20.degree. C. and about 30.degree. C. Pressure should be greater than about atmospheric, and preferably about 10 psi to about 300 psi.