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:
May. 26, 1981
Filed:
Sep. 10, 1979
Applicant:
Inventor:
Kurt D Kaufman, Kalamazoo, MI (US);
Assignee:
Thomas C. Elder, Inc., Hamilton, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
424279 ; 26034321 ;
Abstract
The invention relates to 4,5',8-trialkylpsoralens, having a substituent on the 4' carbon atom which is selected from hydroxyalkoxyalkyl and hydroxyalkylaminoalkyl, which are characterized by enhanced photosensitizing activity, especially oral activity, including comparable maxima, early onset, and especially rapid decline, as well as low toxicity, when contrasted with psoralens of different structure.