Patents by Inventor Pauluth Detlef

Pauluth Detlef 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).

  • Alkylbyphenyloxyacetic acid esters and their use in smectic liquid crystal materials
    Patent number: 4911863
    Abstract: The invention relates to ferroelectric smectic liquid crystal mixtures and compounds. The invention also relates to electro-optical devices incorporating these mixtures.
    Type: Grant
    Filed: December 21, 1987
    Date of Patent: March 27, 1990
    Assignee: The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland
    Inventors: Ian C. Sage, John A. Jenner, Hans A. Kurmeier, Pauluth Detlef, Claus Escher, Eike Poetsch