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:
Jul. 18, 1978
Filed:
May. 10, 1972
Applicant:
Inventor:
Mitsuo Sugimoto, Tokyo, JP;
Assignee:
Rikagaku Kenkyusho, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424-4 ;
Abstract
Vascular X-ray contrast media comprise ferrite powder coated with a negatively charged colloid such as silicate colloid, gold colloid, silver colloid or platinum colloid. Such media can be used for the medical X-ray diagnosis of small blood vessels. By applying an external magnetic field, the media can be maintained in the vessel or organ being examined.