Patents Assigned to Bio-Degradable Plastics, Inc.
  • Photodegradable polyolefins containing an aromatic ketone, ferric stearate, and a pigment
    Patent number: 4038227
    Abstract: Photodegradable hydrocarbon polymers that are susceptible to attack by common microorganisms after exposure to sunlight in a natural atmospheric environment. The polymers include polystyrene and polyethylene polymers and copolymers modified with one or more chemical additives to initiate and to enhance photodegradation.
    Type: Grant
    Filed: September 13, 1976
    Date of Patent: July 26, 1977
    Assignee: Bio-Degradable Plastics, Inc.
    Inventors: Carl E. Swanholm, Robert G. Caldwell