Patents by Inventor Boller Arthur

Boller Arthur 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).

  • Liquid crystal Schiffs bases
    Patent number: 3963313
    Abstract: Liquid crystal substances or compounds of the formula ##SPC1##Wherein R is as hereinafter set forth,As well as compositions and electro-optical apparatuses containing them are described.
    Type: Grant
    Filed: September 9, 1975
    Date of Patent: June 15, 1976
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Boller Arthur, Hanspeter Scherrer