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.:

US 9290669 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 22, 2016

Filed:

Sep. 03, 2012
Applicants:

Graeme Dunford, Tyne and Wear, GB;

Colin Dudgeon Anderson, Tyne and Wear, GB;

Inventors:

Graeme Dunford, Tyne and Wear, GB;

Colin Dudgeon Anderson, Tyne and Wear, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 5/14 (2006.01); C09D 5/16 (2006.01); B63B 1/34 (2006.01);
U.S. Cl.
CPC ...
C09D 5/1618 (2013.01); B63B 1/34 (2013.01); C09D 5/14 (2013.01); C09D 5/16 (2013.01); C09D 5/1625 (2013.01);
Abstract

The invention provides a waterborne antifouling coating composition comprising (i) a binder polymer, (ii) a pigment and (iii) no biocide or a biocide selected from (a) a copper biocide or a copper biocide in combination with at least one or more co-biocide(s), or (b) a copper-free biocide or a copper-free biocidein combination with at least one or more co-biocide(s), with the proviso that the biocide is not a copper biocide in combination with zinc pyrithione, and wherein the pigment volume concentration of the waterborne antifouling coating composition is greater than 80% and less than 95%.


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