Patents by Inventor Sidney R. D. Oldland

Sidney R. D. Oldland 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).

  • Patent number: 4493871
    Abstract: A resilient polyurethane foam with improved resistance to ignition which passes the flame test of BS 5852: Part 1 for material-covered fillings as used for upholstered furniture when adapted for testing the foam only, which foam has on at least one surface thereof at least one coating of a vinylidene chloride polymer of a composition thereof which polymer or composition is substantially absent from the interior of the foam, the amount of chlorine in the at least one vinylidene chloride polymer or composition thereof being at least 60% by weight based on the weight of vinylidene chloride polymer. The coating preferably incorporates a synergist compound, e.g. an oxide or sulphide of antimony. Also, a combination comprising a coated resilient polyurethane foam and a covering material which passes the flame test as carried out according to BS 5852: Part 1.
    Type: Grant
    Filed: January 10, 1983
    Date of Patent: January 15, 1985
    Assignee: Imperial Chemical Industries PLC
    Inventors: Peter G. Edgerley, Sidney R. D. Oldland
  • Patent number: 4197235
    Abstract: A fire retardant polyamide composition containing at least 10% by weight of a polyamide containing a major proportion of nylon 66 or nylon 6 units and from 1 to 90%, preferably 5 to 25% by weight of a salt derived from melamine or a melamine derivative containing at least one --NH.sub.2 group, the salt being chosen from at least one of the borate, halide, sulphamate and demi-sulphate.
    Type: Grant
    Filed: August 16, 1978
    Date of Patent: April 8, 1980
    Assignee: Imperial Chemical Industries Limited
    Inventors: Eric Nield, Sidney R. D. Oldland