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:
Feb. 09, 1988
Filed:
Feb. 07, 1985
Applicant:
Inventor:
Sei H Song, Des Plaines, IL (US);
Assignee:
Magnaflux Corporation, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
252 6252 ; 252 6253 ; 252 6254 ; 25230119 ; 25230134 ; 25230135 ;
Abstract
A method of preparing a fluorescent magnetic composition useful in non-destructing testing of metal work pieces. The method of the invention utilizes a plasticizer in order to effect a more complete encapsulation of fluorescent pigment and magnetic particle powder by film-forming resin. The invention also provides for the composition made by the inventive method, as well as for the method of using the composition in non-destructive testing of magnetizable work pieces.