Patents Assigned to Akros Chemicals
  • Stabilized vinyl chloride composition
    Patent number: 5744525
    Abstract: Vinyl chloride resins are thermally stabilized by incorporating a heterocyclic compound, as represented by Compound A, disclosed herein, which when in the radical, A=S, are thiophene derivatives, when A=--NR, are pyrrolidone derivatives, and when A=O, are tetronic derivatives.
    Type: Grant
    Filed: September 3, 1996
    Date of Patent: April 28, 1998
    Assignee: Akros Chemicals
    Inventors: Heather Blue Harvey, Joseph William Burley, Gerard Hub Frans Schmets