Patents by Inventor Sardari L. Arora

Sardari L. Arora 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).

  • Field effect light shutter employing low temperature nematic liquid crystals
    Patent number: 4086002
    Abstract: A field effect liquid crystal light shutter employing low temperature nematic liquid crystals of the p-alkylphenyl-p'-akyl and alkoxy benzoate series.
    Type: Grant
    Filed: November 20, 1973
    Date of Patent: April 25, 1978
    Assignee: Haffmann-La Roche Inc.
    Inventor: Sardari L. Arora
  • Liquid crystal materials
    Patent number: 3965029
    Abstract: Disclosed are alkoxybenzalmethylphenylenediamines and methylbenzalbutylaniline as liquid crystal materials, and eutectic mixtures of these as long life liquid crystal materials.
    Type: Grant
    Filed: February 4, 1974
    Date of Patent: June 22, 1976
    Assignee: Kent State University
    Inventor: Sardari L. Arora