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. 06, 1995
Filed:
Mar. 12, 1993
Applicant:
Inventors:
Robert J Hoopes, Nashua, NH (US);
Neal S Berke, Chelmsford, MA (US);
Paul G Tourney, Acton, MA (US);
Ahmad Arfaei, Chelmsford, MA (US);
Assignee:
W. R. Grace & Co.-Conn., New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; B05D / ; C09D / ;
U.S. Cl.
CPC ...
427299 ; 106 1405 ; 106 1413 ; 106 1414 ; 106 1415 ; 106 1418 ; 106 1441 ; 106 1442 ; 106 1443 ; 106 1444 ; 427403 ; 4274191 ; 4274195 ; 4274198 ;
Abstract
A rehabilitative solution for preventing or retarding the spread of corrosion of metal reinforcements in concrete, comprising a) one or more corrosion-inhibiting agent(s) and b) a impregnation-increasing amount of a penetration-enhancing agent selected from the group consisting of C.sub.1 to C.sub.20 alcohols; alkali metal salts of gluconic acid; alkyl-substituted benzene compounds; or mixtures thereof, is disclosed, along with several methods of its application for concrete rehabilitation.