Patents Assigned to Chevron Phillips Chemical Company LC
  • Method of converting olefins into mixtures of secondary esters, products and uses thereof
    Patent number: 6191076
    Abstract: An esterification process and the products resulting from it which achieves a mixture of secondary esters which are effectively used with invert drilling muds, the process involving the addition of one or more C1-C5 carboxylic acids and one or more C3-C22 olefins in the presence of an acid catalyst.
    Type: Grant
    Filed: February 9, 1999
    Date of Patent: February 20, 2001
    Assignee: Chevron Phillips Chemical Company LC
    Inventor: Jeffery C. Gee
  • Peroxide modified hexene gas phase copolymer linear low density polyethylene in geomembrane applications
    Patent number: 6187423
    Abstract: A peroxide treated LLPDE material that can used as a geomembrane liner in land areas storing toxic waste, municipal landfills, leachate or slurry ponds, and other such land containment applications as well as applications in which a strong, non-biodegradable material which is impermeable to air and moisture is needed.
    Type: Grant
    Filed: December 23, 1997
    Date of Patent: February 13, 2001
    Assignee: Chevron Phillips Chemical Company LC
    Inventors: Pamela L. Maeger, Terry R. King