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Serving leading biopharmaceutical companies globally:

Fish and Richardson
Cantor Fitzgerald
Federal Trade Commission
Johnson and Johnson
Argus Health

Generated: December 11, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,360,511

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Summary for Patent: 4,360,511

Title: Amines useful as brain imaging agents
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.
Inventor(s): Baldwin; Ronald M. (San Francisco, CA), Lin; Tz-Hong (Fremont, CA), Winchell; Harry S. (Lafayette, CA)
Assignee: Medi-Physics, Inc. (Emeryville, CA)
Application Number:06/161,097
Patent Claim Types:
see list of patent claims
Compound; Use; Composition;

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International Patent Family for Patent: 4,360,511

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Germany2965469► Subscribe
European Patent Office0011858► Subscribe
Hong Kong65586► Subscribe
JapanS5573640► Subscribe
JapanS5932457► Subscribe
Singapore23186► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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Serving leading biopharmaceutical companies globally:

US Army
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