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. 26, 1977
Filed:
Mar. 07, 1975
Applicant:
Inventors:
Aleksander Jerzy Groszek, London, EN;
Colin Walter Parkes, Peachey near Uxbridge, EN;
Ronald Alfred Crump, Horsham, EN;
Assignee:
The British Petroleum Company Limited, London, EN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D / ; B05D / ; B32B / ;
U.S. Cl.
CPC ...
427416 ; 106 / ; 114 / ; 428484 ;
Abstract
Underwater surfaces are protected against weed and/or shell growth with a wax coating containing one or more biocides effective against weed and/or shell growth when dissolved or dispersed in wax. The biocides are preferably sea-water insoluble and may be fresh water soluble also. They are preferably thermally stable up to 150.degree. C and soluble in wax. Suitable biocides are Cu, Zn, Ni, Co, Mn or Sn salts of carboxylic acids or polyacrylic acids, or organic compounds having an active structure containing S, Cl, N or O. The coating may be 5-500 micrometers thick.