Patents by Inventor George Kesslin

George Kesslin 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).

  • Resolution of racemic mandelic acid
    Patent number: 4322548
    Abstract: Process for the optical resolution of racemic mandelic acid which process comprises contacting said racemic mandelic acid with a phenylglycine ester or a phenylglycine ester hydrochloride in a reaction medium, and recovering the D(-)-mandelic acid and L(+)-mandelic acid form; certain D(-) and L(+)-phenylglycine esters and hydrochlorides are provided as novel resolution agents.
    Type: Grant
    Filed: February 13, 1980
    Date of Patent: March 30, 1982
    Assignee: Kay Fries, Inc.
    Inventors: George Kesslin, Kenneth W. Kelly
  • Anti-transpirant composition
    Patent number: 4058409
    Abstract: A film-forming anti-transpirant concentrate for plants selectively constituted of a homogeneous intermixture of emulsifiable oxidized polyethylenes having molecular weights in the range of from about 1000 to about 3400 and selectively constituted polyterpenes having molecular weights in the range of from about 270 to about 1800 for dilutable ambient temperature controllable application to plants to form long lived protective films of determinable thickness on the surface thereof.
    Type: Grant
    Filed: August 29, 1975
    Date of Patent: November 15, 1977
    Assignee: Kay-Fries Chemicals, Inc.
    Inventor: George Kesslin