C - Chemistry – Metallurgy – 23 – G
Patent
C - Chemistry, Metallurgy
23
G
400/1347, 149/15
C23G 1/08 (2006.01) C09D 139/06 (2006.01) C23G 1/02 (2006.01) C08L 35/08 (2006.01)
Patent
CA 1221783
-1- THIXOTROPIC RUST REMOVAL COATING AND PROCESS Abstract of the Disclosure 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.
420884
Amabile Robert N.
Gromelski Stanley J. Jr.
Judd Richard E.
G. A. F. Corporation
Smart & Biggar
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