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. 20, 1984
Filed:
Feb. 03, 1982
Applicant:
Inventor:
Jitka Solc, Midland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428407 ; 428692 ; 428694 ; 428900 ; 427128 ; 427205 ; 427214 ; 427222 ; 252 6254 ;
Abstract
Plastic particles having diameters of from about 1 to about 150 microns, a polymeric bonding layer on the surface thereof, are coated with magnetic particles to provide a generally uniform coating having a thickness of from about 0.05 to about 0.8 of a micron.