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:
Nov. 23, 1982
Filed:
Jun. 19, 1980
Ronald M Baldwin, San Francisco, CA (US);
Tz-Hong Lin, Fremont, CA (US);
Harry S Winchell, Lafayette, CA (US);
Medi-Physics, Inc., Emeryville, CA (US);
Abstract
Certain radioiodine containing amines useful as brain imaging agents are disclosed. The compounds of the invention are represented by the formula ##STR1## wherein I is a radioisotope of iodine with I-123 being preferred, R is lower alkyl or halogen, R.sub.1 and R.sub.2 are the same or different and are selected from the group consisting of hydrogen and lower alkyl, R.sub.3 and R.sub.4 are the same or different and are selected from the group consisting of hydrogen, alkyl, aryl, substituted aryl, aralkyl, substituted aralkyl and substituted carbamoyl methyl or R.sub.3 and R.sub.4 taken together with the nitrogen to which they are attached form a 5- or 6-membered ring which may be substituted with one or more lower alkyl groups, x is 0 to 4, y is 0 to 3 and z is 0 or 1 and pharmaceutically acceptable acid addition salts thereof.