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:
Apr. 12, 1988
Filed:
Jun. 11, 1985
Applicant:
Inventors:
Sirkka L Leppavuori, Helsinki, FI;
Lars H Petander, Vaasa, FI;
Lauri J Teivainen, Vihti, FI;
Hakan E Wikberg, Mustasaari, FI;
Assignee:
Kemira OY, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C09D / ;
U.S. Cl.
CPC ...
514184 ; 106 1505 ; 106 1836 ; 524413 ; 5253302 ; 424 81 ;
Abstract
A wood perservative is disclosed which contains water, a copper and/or zinc complex or a copper and/or zinc complex together with a zirconium complex, dissolved in water, and an acid which stabilizes the said metals in wood. According to the invention there is used as the acid which stabilizes metals in wood an organic polymer which is soluble in water or forms micelles in water, contains acid groups, and penetrates wood at least partly. Phloroglucin derivatives of fern extract can be used in addition.