Patents by Inventor Lorrin W. Pyle

Lorrin W. Pyle 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).

  • Patent number: 4866111
    Abstract: A coating composition comprising nitrocellulose; a copolymer of ethylene and an ethylenically unsaturated ester of a saturated fatty acid, said copolymer comprising between about 40% and about 90% by weight of said ester, said copolymer characterized by a kinematic viscosity at 140.degree. C. of up to about 30,000 centipoise, said copolymer present in an amount of more than about 25% to about 60% by weight, based on the total weight of said nitrocellulose and said copolymer; and an organic solvent system for said nitrocellulose and said copolymer is disclosed.
    Type: Grant
    Filed: November 5, 1987
    Date of Patent: September 12, 1989
    Assignee: National Distillers and Chemical Corporation
    Inventors: Joseph R. Patterson, Jr., Lorrin W. Pyle
  • Patent number: 4322326
    Abstract: A coating composition of enhanced physical characteristics such as those of hardness, flexibility and/or ultra-violet resistance is provided which comprises a mixture of ethylene-vinyl ester copolymer containing at least about 55% by weight of interpolymerized vinyl ester and a dibasic acid-modified rosin ester of a rosin acid and a polyhydric alcohol containing from 2 to 6 hydroxyl groups, said dibasic acid-modified rosin ester being present in said composition at a level of at least about 30% by weight.
    Type: Grant
    Filed: February 9, 1981
    Date of Patent: March 30, 1982
    Assignee: National Distillers & Chemical Corp.
    Inventor: Lorrin W. Pyle
  • Patent number: 4215035
    Abstract: Sulfur dioxide-ethylene-vinyl ester terpolymers exhibiting improved thermal stability are prepared by substantially uniformly incorporating therein a thermal stability-imparting amount of at least one inorganic oxygen-containing metal compound in which the metal is an alkali metal, alkaline earth metal or zinc.
    Type: Grant
    Filed: April 11, 1979
    Date of Patent: July 29, 1980
    Assignee: National Distillers and Chemical Corporation
    Inventors: Leroy J. Memering, Lorrin W. Pyle