Patents by Inventor Sandra E. Chillous

Sandra E. Chillous 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).

  • Nonsegregating blends of glass fibers and polymer pellets
    Patent number: 5132342
    Abstract: A nonsegregating dry blend of 90-30 weight percent of elongated polymer pellets having an aspect ratio, A.sub.p, of about 3-23 and a density of about 0.85-1.5 g/cm.sup.3 with 10-70 weight percent of glass fibers having an aspect ratio, A.sub.g, of 3.7-23, the A.sub.p /A.sub.g ratio being about 0.4-1.6, especially 0.8-1.2, can be fed directly to melt-fabricating equipment without first melt-blending the polymer pellets with the glass fibers and fabricated into articles having a substantially uniform glass content.
    Type: Grant
    Filed: April 16, 1991
    Date of Patent: July 21, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Sandra E. Chillous