Patents by Inventor Brian L. Turtle

Brian L. Turtle 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).

  • Polyethylene blend and film
    Patent number: 4587303
    Abstract: A blend having improved optical and good mechanical properties comprising (A) at least 75 weight %, preferably 85-95 weight %, of ethylene hydrocarbon copolymer (LLDPE) of density 0.916 to 0.930 manufactured by the transition metal catalyzed gas-fluidized bed process and (B) not less than 1 weight %, of low density polyethylene or ethylene copolymer made by the free radical catalyzed high pressure process. The LLDPE (A) is preferably ethylene/butene-1 or ethylene/hexene-1 copolymer. The high pressure polymer (B) is preferably an autoclave LDPE having a high die swell ratio and a MIR below 50.
    Type: Grant
    Filed: April 21, 1983
    Date of Patent: May 6, 1986
    Assignee: BP Chemicals Limited
    Inventor: Brian L. Turtle