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.

Date of Patent:
Jul. 31, 1990

Filed:

Sep. 16, 1988
Applicant:
Inventors:

Mark S Chagnon, Lowell, MA (US);

John R Ferris, Newburyport, MA (US);

Assignee:

Omni Quest Corporation, Atkinson, NH (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
106 20 ; 106 23 ; 106425 ; 106436 ; 106450 ; 106456 ; 252 6254 ; 252 6259 ; 524145 ; 524141 ; 524320 ; 524239 ; 524139 ; 524157 ; 524435 ; 524507 ;
Abstract

Magnetic inks useful for the production of magnetic recording products are disclosed. The present magnetic inks contain ferromagnetic barium ferrite particles dispersed in a flexible polymer medium.


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