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:
Sep. 14, 1999
Filed:
Jun. 22, 1998
Applicant:
Inventors:
Ravindra K Pandey, Williamsville, NY (US);
William R Potter, Grand Island, NY (US);
Thomas J Dougherty, Grand Island, NY (US);
Assignee:
Health Research, Inc., Buffalo, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
514410 ; 540472 ; 540145 ;
Abstract
Compounds having the generic formula: ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are independently alkyl of 3 through about 10 carbon atoms; provided that, R.sup.1 and R.sup.2 together contain at least six carbon atoms. The compounds have utility in photodynamic therapy in treatment of tumors and other diseases. The invention includes a method of treatment by contacting a tumor with the compound and then exposing the tumor to light.