Patents by Inventor Malcolm Combey

Malcolm Combey 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).

  • Plasticized polymers of vinyl acetate
    Patent number: 4111888
    Abstract: Polyesters derived from the reaction of a phthalic acid, with ethylene glycol, di-ethylene glycol or a polyethylene glycol and an aliphatic alcohol are used as plasticisers for vinyl acetate polymers.
    Type: Grant
    Filed: August 7, 1975
    Date of Patent: September 5, 1978
    Assignee: Ciba Geigy AG
    Inventors: Frank Lamb, Malcolm Combey, Hugh Melvin Cooper
  • Polymers of vinyl acetate plasticized with low molecular weight polyesters
    Patent number: 4085082
    Abstract: Polyesters derived from the reaction of a dibasic acid, ethylene glycol and an aliphatic alcohol are used as plasticizers for vinyl acetate polymers.
    Type: Grant
    Filed: August 7, 1975
    Date of Patent: April 18, 1978
    Assignee: Ciba-Geigy AG
    Inventors: Frank Lamb, Malcolm Combey, Hugh Melvin Cooper
  • Plasticized polymers of vinyl acetate
    Patent number: 4085083
    Abstract: Polyesters derived from the reaction of a dibasic acid, a polyethylene glycol and an aliphatic alcohol are used as plasticizers for vinyl acetate polymers.
    Type: Grant
    Filed: August 7, 1975
    Date of Patent: April 18, 1978
    Assignee: Ciba-Geigy AG
    Inventors: Frank Lamb, Malcolm Combey, Hugh Melvin Cooper
  • Plasticized polymers of vinyl acetate
    Patent number: 4076678
    Abstract: Polyesters derived from the reaction of a dibasic acid, a polyethylene glycol and an aliphatic alcohol are used as plasticizers for vinyl acetate polymers.
    Type: Grant
    Filed: August 7, 1975
    Date of Patent: February 28, 1978
    Assignee: Ciba-Geigy AG
    Inventors: Frank Lamb, Malcolm Combey, Hugh Melvin Cooper
  • Bis(phosphate) plasticizers and plasticized compositions
    Patent number: 3976616
    Abstract: Complex phosphates are used as plasticizers for thermoplastic polymers, especially for polyvinyl chloride.
    Type: Grant
    Filed: December 24, 1974
    Date of Patent: August 24, 1976
    Assignee: Ciba-Geigy Corporation
    Inventors: Malcolm Combey, Raymond Nicolson Birrell