Patents by Inventor Ian Hassall

Ian Hassall 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).

  • Publication number: 20080167332
    Abstract: Compounds of formula (I) wherein R1, R3, R4, R5, R6, R7, and R10 are as defined in the specification, are described. The present invention also relates to pharmaceutical composition comprising said compounds and to the use of said compounds in therapy. The present invention further relates to processes for the preparation of said compounds and to new intermediates useful in the preparation thereof. Beside, the invention relates to salts and polymorphic forms of the new compounds as well as the preparation thereof.
    Type: Application
    Filed: July 18, 2007
    Publication date: July 10, 2008
    Inventors: Scott Gibson, Barry Elkins, Mike Rogers, Ian Hassall, Hong Gu, Zhenyu Wang, Vinod Kumar, Synthana Suresh Kumar, Santosh Kavitake, Sidda Lingesha, Eric Merifield, David Ennis, John Pavey, Austen Pimm, James Reuberson, Bo-Goran Josefsson, Martin Hemmerling, Svetlana Ivanova, Marguerite Mensonides-Harsema, Hakan Schulz, John Mo, Tomas Eriksson, Per Strandberg
  • Publication number: 20060193998
    Abstract: The invention relates to a polymerised liquid crystal (LC) film comprising at least one photoisomerisable compound and having a pattern of regions with different retardation and/or different orientation of the LC material, to methods of preparing such a film, and to its use as alignment layer, optical retardation film or optical waveguide in liquid crystal displays or other optical or electrooptical components or devices, or for decorative or security applications.
    Type: Application
    Filed: April 2, 2004
    Publication date: August 31, 2006
    Inventors: Richard Harding, Shirley Marden, Ian Hassall, Janice McCreary, Karl Skjonnemand
  • Publication number: 20050227021
    Abstract: The invention relates to new polymerisable mesogenic or liquid crystalline compounds comprising a laterally substituted cinnamate group, to polymerisable mesogenic or liquid crystalline mixtures and anisotropic polymers prepared thereof, and to the use of the new compounds and the mixtures and polymers prepared thereof in optical and electrooptical devices, adhesives, synthetic resins with anisotropic mechanical properties, cosmetics, diagnostics, liquid crystal pigments, decorative and security applications, nonlinear optics, optical information storage, electronic devices like organic field effect transistors (FET or OFET), electroluminescent devices, or as chiral dopants.
    Type: Application
    Filed: October 18, 2004
    Publication date: October 13, 2005
    Inventors: Richard Harding, Ian Hassall, Shirley Marden, Darren Brown
  • Patent number: 5770107
    Abstract: Compounds of the formula I are useful reactive liquid crystal compounds, and can be used in a polymerizable mesogenic mixture, which can be polymerized to an anisotropic polymer. They can be used for the preparation of linear or crosslinked polymers or polymer films for decorative pigments, cosmetics, security applications, active and passive optical elements such as polarizers or retardation films, color filters, scattering displays, adhesives or synthetic resins with anisotropic mechanical properties.
    Type: Grant
    Filed: October 4, 1996
    Date of Patent: June 23, 1998
    Assignee: Merck Patent Gesellschaft Mit Beschrankter Haftung
    Inventors: Ian Hassall, Simon Greenfield, David Coates