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:
Jun. 15, 1993
Filed:
Apr. 14, 1992
Applicant:
Inventor:
John R Lawson, Manchester, GB;
Assignee:
Imperial Chemical Industries PLC, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10L / ; C07C / ; B21B / ;
U.S. Cl.
CPC ...
252 / ; 252 51 ; 252 54 ; 252 58 ; 106 1415 ; 106 1437 ; 564265 ; 564266 ; 72 41 ;
Abstract
A tetraoximino derivative of a bisphenol, for example the 3,5,3.sup.1,5.sup.1 -tetraoximino methyl derivative of 2,2-bis(4-hydroxyphenyl) propane, can be coated onto a metal surface to give improved corrosion resistance. The metal surface can be zinc coated steel or zinc phosphated steel. The tetraoximino derivative can be the only coating material or can be incorporated into a surface coating composition such as paint.