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:
Mar. 12, 1996
Filed:
Apr. 22, 1994
Ravindra K Pandey, Williamsville, NY (US);
Thomas J Dougherty, Grand Island, NY (US);
Kevin M Smith, Davis, CA (US);
Isabelle Meunier, Tournus, FR;
Health Research, Inc., Buffalo, NY (US);
The Regents of the University of California, Oakland, CA (US);
Abstract
Compounds having properties superior to known photosensitizers defined by the following chemical formula: ##STR1## including R groups R.sup.1, R.sup.2, R.sup.3, and R.sup.4, wherein R.sup.1 and R.sup.2 are methyl or --CH(O--(CH.sub.2).sub.n CH.sub.3)CH.sub.3 or are joined together to form the group D and wherein R.sup.3 and R.sup.4 are methyl or --CH(O--(CH.sub.2).sub.n CH.sub.3)CH.sub.3 or are joined together to form the group D; provided that one of R.sup.1 and R.sup.2 or R.sup.3 and R.sup.4 are joined together to form the group D wherein one of the remaining R groups is methyl and one of the remaining R groups is --CH(O--(CH.sub.2).sub.n CH.sub.3)CH.sub.3, where n is an integer of 5 through 7 and group D is: ##STR2## and R.sub.5 is independently at each occurrence --OR.sub.6 where R.sub.6 is lower alkyl of 1 through 7 carbon atoms or R.sub.6 is an amino acid residue.