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:
Jul. 29, 2025
Filed:
Mar. 06, 2025
Applicant:
Koppers Performance Chemicals, Inc., Pittsburgh, PA (US);
Assignee:
KOPPERS PERFORMANCE CHEMICALS, INC., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B27K 3/34 (2006.01); A01N 43/80 (2006.01); B27K 3/40 (2006.01); C09D 5/14 (2006.01); C09D 125/14 (2006.01); C09D 167/08 (2006.01); C09D 191/08 (2006.01);
U.S. Cl.
CPC ...
B27K 3/343 (2013.01); A01N 43/80 (2013.01); B27K 3/40 (2013.01); C09D 5/14 (2013.01); C09D 125/14 (2013.01); C09D 167/08 (2013.01); C09D 191/08 (2013.01); B27K 2200/10 (2013.01); B27K 2200/30 (2013.01); B27K 2240/20 (2013.01); B27K 2240/50 (2013.01);
Abstract
A wood preservative composition comprising 4,5-dichloro-2-octylisothiazol-3(2H)-one, a method of treating a wood substrate therewith, and a wood product produced therefrom are provided. The wood preservative composition comprises at least 0.5% by weight of DCOI based on the total weight of the composition and a retaining additive comprising a solvent-borne polymeric resin, a wax, or a combination thereof. A weight ratio of the DCOI to the retaining additive in the composition is in a range of 1:5 to 5:1.