Patents by Inventor Moira A. Carter

Moira A. Carter 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).

  • Patent number: 4656206
    Abstract: A pigmented thermoplastic polymer masterbatch composition comprises a polyester of melting point above 200.degree. C. based on polyethylene terephthalate, a second polymer to plasticize the polyester, and pigment in an amount of at least 20 parts per 100 parts of composition. The second polymer can be also a toughening agent for the PET and can be a polycarprolactone, or a copolymer of ethylene with acrylic acid or vinyl acetate.
    Type: Grant
    Filed: December 16, 1985
    Date of Patent: April 7, 1987
    Assignee: BIP Chemicals Limited
    Inventor: Moira A. Carter
  • Patent number: 4562215
    Abstract: A filled thermoplastics composition with a filler of particle size below 1 micron in an amount greater than 25 percent by weight also comprises a second filler whose particle size is different from the first but is below 2 microns.The mouldability of the composition is substantially improved by the presence of the second filler.
    Type: Grant
    Filed: September 13, 1984
    Date of Patent: December 31, 1985
    Assignee: BIP Chemicals Limited
    Inventors: Moira A. Carter, Kenneth Barrell