Patents by Inventor Richard J. Rosinski

Richard J. Rosinski 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).

  • Thermoformed polyolefin articles having improved gloss
    Patent number: 4837074
    Abstract: Thermoformed polyolefin articles with improved gloss and method of making the same. A polyolefin such as LDPE, HDPE, LLDPE or PP is compounded with up to 3000 ppm, e.g. 800-1500 ppm, fluoroelastomer and thermoformed into an article with improved gloss. The fluoroelastomer is generally amorphous, soluble in organic solvents and has a Tg of 20.degree. C. or less, such as vinylidene fluoride/hexafluoropropylene copolymer. The article may be compositionally uniform, or formed from a coextruded sheet with a cap layer containing the gloss additive and a base layer without the additive.
    Type: Grant
    Filed: August 6, 1987
    Date of Patent: June 6, 1989
    Assignee: The Dow Chemical Company
    Inventors: Richard J. Rosinski, Robert R. Milks