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. 10, 1991
Filed:
Oct. 24, 1988
Applicant:
Inventors:
Michael R Detty, Rochester, NY (US);
Stephen K Powers, Chapel Hill, NC (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
514432 ; 514459 ; 514460 ; 514180 ;
Abstract
There are disclosed pyrylium salts and a method of using them medicinally in photodynamic therapy for increasing the survival time of animals affected with glioma or mammary carcinoma. The salts are seleno- or telluropyrylium compounds having a singlet oxygen quantum efficiency of at least 0.005 when exposed as described at wavelengths between about 650 and 1000 nanometers.