Patents by Inventor Marcel B. Elser

Marcel B. Elser 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).

  • Vinyl chloride polymer composition containing (meth)acrylate-alpha methyl styrene copolymer
    Patent number: 4746705
    Abstract: Vinyl chloride polymer (PVC) composition especially suitable for calendering which comprises PVC, at least one copolymer of an alkyl (meth)acrylate (preferably n-butyl acrylate) and alpha methyl styrene of low molecular weight (10,000 to 100,000) achieved by performing the copolymerization in the presence of a chain transfer agent, particularly cyclohexene, and which composition optionally contains a processing aid, and wherein the PVC and said at least one alkyl (meth)acrylate copolymer are admixed by performing the VC polymerization process to produce the PVC in the presence of the alkyl (meth)acrylate copolymer.
    Type: Grant
    Filed: March 12, 1986
    Date of Patent: May 24, 1988
    Assignee: Imperial Chemical Industries PLC
    Inventors: Andrew Courtis, Marcel B. Elser