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. 02, 1991
Filed:
Aug. 27, 1990
Applicant:
Inventors:
Martyn Humphries, Manchester, GB;
Jozef Nemcek, Chester, GB;
John C Padget, Frodsham, GB;
Christopher C Mollett, Littleton, Nr Chester, GB;
Assignee:
Imperial Chemical Industries PLC, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
4273855 ; 4273881 ; 523177 ;
Abstract
Coating composition suitable for treating a surface so as to provide water-erodible coating thereon, which composition comprises at least one erodible polymer comprising one or more hydrolysable groups selected from sulphonate esters and sulphonate esters which in an aqueous environment will generate by hydrolysis corresponding polymer-bound acid groups. The erodible polymers are described in detail and a method of treating surfaces using the composition is described.