Patents Represented by Attorney J. D. Rice

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  • Method for treating polymeric fibers
    Patent number: 3959560
    Abstract: Ester lubricant compositions are provided which provide a good balance of lubricity and emulsifiability. The esters are derived from polyoxyalkylene glycols with a dibasic acid mixture consisting of dimer acids and short-chain dibasic acids. The emulsions and clear, homogeneous lubricant solutions provide excellent spin finishes for fibers such as polyamides and polyesters.
    Type: Grant
    Filed: August 16, 1974
    Date of Patent: May 25, 1976
    Assignee: Emery Industries, Inc.
    Inventors: Robert J. Sturwold, Fred O. Barrett
  • Vinyl resins plasticized with mixed mellitate compounds
    Patent number: 3956220
    Abstract: Mixed mellitate compounds useful as plasticizers for vinyl polymers, such as polyvinyl chloride homopolymers and copolymers, which have increased resistance to hydrocarbons have been prepared. The mixed mellitates of this invention are derived from trimellitic acid and trimellitic anhydride and contain two ester moieties derived from monofunctional alcohols and a third complex ester group obtained either by the reaction of a diol, a dibasic acid and a monofunctional alcohol or by the reaction of a diol and a monobasic acid.
    Type: Grant
    Filed: February 3, 1975
    Date of Patent: May 11, 1976
    Assignee: Emery Industries, Inc.
    Inventors: Roland Hendrick Riem, Alfred Johannes Dieterman