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:
Apr. 03, 1984
Filed:
Nov. 25, 1981
Makoto Azuma, Takarazuka, JP;
Masaaki Hazue, Amagasaki, JP;
Nihon Medi-Physics Co., Ltd., Hyogo, JP;
Abstract
A .sup.99m Tc-labeled radioactive diagnostic agent being useful for visualization and dynamic inspection of hepatobiliary ducts and having a high stability and no material toxicity, which comprises .sup.99m Tc in the form of pertechnetate and a non-radioactive carrier, the non-radioactive carrier comprising an N-pyridoxyl-.alpha.-amino acid of the formula: ##STR1## wherein R.sup.1 and R.sup.2 are each an atom or an atomic group present in the .alpha.-amino acid residue encompassed by the dotted line and R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are each a hydrogen atom, a halogen atom, a C.sub.1 -C.sub.10 alkyl group or a C.sub.1 -C.sub.10 alkyl group substituted with at least one hydrophilic group or its salt, and a reducing agent for pertechnetate.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile