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:
Aug. 25, 1992
Filed:
Jun. 28, 1991
Applicant:
Inventors:
Henri K Virtanen, Pori, FI;
Leo E Lindroos, Pori, FI;
Assignee:
Outokumpu Oy, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B27K / ;
U.S. Cl.
CPC ...
424617 ; 424622 ; 424623 ; 204 93 ; 204 97 ; 204 98 ; 204112 ; 423 23 ; 423 53 ; 423 87 ; 423138 ; 423595 ; 423602 ; 423604 ;
Abstract
The invention relates to a method for producing wood anti-rot agent of the copper-arsenic precipitate created in the solution purification of copper electrolysis, or of some other corresponding precipitate.