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:
Sep. 23, 1997
Filed:
Sep. 30, 1996
Applicant:
Inventor:
Benny S Yam, Holmdel, NJ (US);
Assignee:
Church & Dwight Co., Inc., Princeton, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09C / ;
U.S. Cl.
CPC ...
51309 ; 252 99 ;
Abstract
A blast media is provided for cleaning a metal surface by wet blasting and which comprises a particulate abrasive such as sodium bicarbonate and a corrosion inhibitor comprising an alkali metal phosphate. The corrosion inhibitor has been found to greatly reduce the discoloration of metals which have been wet blasted with alkaline salt abrasives.