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:
Mar. 25, 1986
Filed:
Mar. 31, 1982
Applicant:
Inventors:
Robert N Amabile, Garfield, NJ (US);
Richard E Judd, Bloomingdale, NJ (US);
Stanley J Gromelski, Jr, West Caldwell, NJ (US);
Assignee:
GAF Corporation, Wayne, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B08B / ; C11D / ; C11D / ; C08L / ;
U.S. Cl.
CPC ...
524 55 ; 524112 ; 29 8 / ; 134-2 ; 134-3 ; 134-4 ; 134 41 ; 25217424 ; 252524 ; 252527 ; 252D / ; 252D / ;
Abstract
Spreadable thixotropic coating composition suitable for rust removal and containing polyvinylpyrrolidone, water and a thixotropic agent which is either xanthan gum or water-soluble crosslinked interpolymer of maleic anhydride, monovinyl alkyl ether and crosslinking agent. The composition has a pH between about 1.5 and 7.0 is applied to rusty metal surfaces and allowed to dry. During drying the rust becomes incorporated into the coating which is then easily removed.