Patents by Inventor STUART DAVID THORPE

STUART DAVID THORPE 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).

  • Method for preparing a colour-stable preparation of a magnesium chlorophyllin alkali metal salt or alkali earth metal salt from natural sources of chlorophyll
    Patent number: 11912875
    Abstract: The present invention provides a method for preparing a colour-stable preparation of a magnesium chlorophyllin alkali metal salt or alkali earth metal salt from natural sources of chlorophyll. The invention further provides a colour-stable and substantially pure pigment composition comprising a vibrant green magnesium chlorophyllin in the form of an alkali metal or alkali earth metal salt, e.g. those prepared by the methods of the invention, and the use of the salts and compositions of the invention as colouring agents, in particular as food colouring agents, and as medicaments and disinfectants.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: February 27, 2024
    Assignee: Givaudan SA
    Inventors: Andrew Kendrick, Stuart David Thorpe
  • METHOD FOR PREPARING A COLOUR-STABLE PREPARATION OF A MAGNESIUM CHLOROPHYLLIN ALKALI METAL SALT OR ALKALI EARTH METAL SALT FROM NATURAL SOURCES OF CHLOROPHYLL
    Publication number: 20190016897
    Abstract: The present invention provides a method for preparing a colour-stable preparation of a magnesium chlorophyllin alkali metal salt or alkali earth metal salt from natural sources of chlorophyll. The invention further provides a colour-stable and substantially pure pigment composition comprising a vibrant green magnesium chlorophyllin in the form of an alkali metal or alkali earth metal salt, e.g. those prepared by the methods of the invention, and the use of the salts and compositions of the invention as colouring agents, in particular as food colouring agents, and as medicaments and disinfectants.
    Type: Application
    Filed: July 10, 2018
    Publication date: January 17, 2019
    Inventors: ANDREW KENDRICK, STUART DAVID THORPE