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. 08, 2018
Filed:
Aug. 19, 2014
Applicant:
Oy Separation Research Ab, Turku, FI;
Inventors:
Thomas Holmbom, Turku, FI;
Bjarne Holmbom, Turku, FI;
Assignee:
Oy Separation Research Ab, Turku, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 7/12 (2006.01); D21H 17/02 (2006.01); D21H 19/14 (2006.01); D21H 21/16 (2006.01); C14C 11/00 (2006.01); D06M 13/148 (2006.01);
U.S. Cl.
CPC ...
C09D 7/1233 (2013.01); C09D 7/63 (2018.01); C14C 11/00 (2013.01); D06M 13/148 (2013.01); D21H 17/02 (2013.01); D21H 19/14 (2013.01); D21H 21/16 (2013.01);
Abstract
A hydrophobisation composition, which includes a hydrophobisation extract obtained by extracting outer bark of birch in an organic and/or polar solvent and which includes at least 30 weight-% betulinol. Also disclosed is a method for hydrophobisation of a surface, which includes steps of applying a layer of hydrophobisation composition containing betulinol on a surface of a substrate, and drying and heat-treating the layer of hydrophobisation composition. A substrate having a surface which is hydrophobised by using the method is also disclosed.