Patents by Inventor Colin Barry Charnock

Colin Barry Charnock has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Carboxylic acid ALA esters
    Patent number: 9249086
    Abstract: The invention relates to new derivatives of 5-aminolevulinic acid (5-ALA) and their use as photosensitizing agents. In particular, it relates to compounds of general formula I and their pharmaceutically acceptable salts, to methods for preparing such compounds and their medical and cosmetic use, for example in methods of photodynamic therapy and diagnosis: wherein R1 represents a hydrogen atom or an optionally substituted alkyl or cycloalkyl group; R2, each of which may be the same or different, represents a hydrogen atom or an optionally substituted alkyl group; and X is a linking group.
    Type: Grant
    Filed: August 2, 2013
    Date of Patent: February 2, 2016
    Assignee: Photocure ASA
    Inventors: Jon Erik Brænden, Colin Barry Charnock, Aslak Godal, Jo Klaveness, Nils Olav Nilsen
  • Compounds
    Publication number: 20150191419
    Abstract: The invention relates to new derivatives of 5-aminolevulinic acid (5-ALA) and their use as photosensitizing agents. In particular, it relates to compounds of general formula I and their pharmaceutically acceptable salts, to methods for preparing such compounds and their medical and cosmetic use, for example in methods of photodynamic therapy and diagnosis: wherein R1 represents a hydrogen atom or an optionally substituted alkyl or cycloalkyl group; R2, each of which may be the same or different, represents a hydrogen atom or an optionally substituted alkyl group; and X is a linking group.
    Type: Application
    Filed: August 2, 2013
    Publication date: July 9, 2015
    Inventors: Jon Erik Brænden, Colin Barry Charnock, Aslak Godal, Jo Klaveness, Nils Olav Nilsen