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. 15, 2007
Filed:
Jul. 25, 2001
JO Klaveness, Oslo, NO;
Nils Olav Nilsen, Oslo, NO;
Jon Erik Braenden, Oslo, NO;
Aslak Godal, Oslo, NO;
Jo Klaveness, Oslo, NO;
Nils Olav Nilsen, Oslo, NO;
Jon Erik Braenden, Oslo, NO;
Aslak Godal, Oslo, NO;
Photocure ASA, Olso, NO;
Abstract
The invention provides compounds for use in photochemotherapy or diagnosis, said compounds being branched alkyl esters or substituted alkyl esters of 5-aminolevulinic acid, or derivatives or pharmaceutically acceptable salts thereof. In particular, the invention provides compounds of formula (I): RN—CHCOCHCHCO—OR(wherein Rrepresents an optionally substituted branched alkyl (e.g. Calkyl) group, or a substituted alkyl group; R, each of which may be the same or different, represents a hydrogen atom or an optionally substituted alkyl group, preferably a group R; wherein said substituents are selected from hydroxy, alkoxy, acyloxy, alkoxycarbonyloxy, amino, aryl, nitro, oxo, fluoro, —SR, —NRand PRgroups, and each alkyl group is optionally interrupted by one or more O—, —NR—, —S— or —PR— groups; and Rrepresents a hydrogen atom or a Calkyl group) and salts thereof for use in diagnosis and photochemotherapy of disorders of abnormalities of external or internal surfaces of the body, and products and kits for performing the invention.