×

Compositions of capped polyphenylene oxides and alkenyl aromatic resins

  • US 4,148,843 A
  • Filed: 12/23/1977
  • Issued: 04/10/1979
  • Est. Priority Date: 12/23/1977
  • Status: Expired due to Term
First Claim
Patent Images

1. A process for the preparation of a composition which comprises:

  • (a) a polyphenylene oxide resin that is capped with a compound selected from the group consisting of acid halides, acid anhydrides and ketenes; and

    (b) an alkenyl aromatic resin;

    said process comprising forming a mixture of a capped polyphenylene oxide in an alkenyl aromatic monomer and thereafter heating said mixture for a sufficient period of time at an elevated temperature to form said composition.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×