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. 27, 2005
Filed:
Mar. 21, 2003
Applicants:
Nikolay E. Nifantiev, Moscow, RU;
Dmitri V. Yashunsky, Moscow, RU;
Inventors:
Nikolay E. Nifantiev, Moscow, RU;
Dmitri V. Yashunsky, Moscow, RU;
Assignee:
CeramOptec Industries, Inc., East Longmeadow, MA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D487/22 ; A61K031/409 ; A61P035/00 ;
U.S. Cl.
CPC ...
Abstract
Water-soluble mono-PEGylated tetrapyrrole derivatives are disclosed, having a formula given by formula 1, 2, or 3 in the specification. A method to produce the above water-soluble mono-PEGylated compounds is also disclosed, comprising an interaction of a tetrapyrrole with an aminopolyethylene glycol containing a functionalized terminal fragment, as well as their use as photosensitizers in photodynamic therapy.