Patents by Inventor Paula R. Norman

Paula R. Norman 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: 4229362
    Abstract: A process for esterifying terminal hydroxyl groups of a polyoxyalkylene compound comprising one or more ring opened tert.-butyl or tert.-amyl glycidyl ether groups, without removing a significant portion of these tert.-alkyl ether groups. The process is conducted by contacting the polyoxyalkylene compound with an organic, carboxylic acid or anhydride in the liquid phase, in the presence of a small but catalytically effective amount of a Lewis base.
    Type: Grant
    Filed: April 16, 1979
    Date of Patent: October 21, 1980
    Assignee: The Dow Chemical Company
    Inventor: Paula R. Norman
  • Patent number: 4221861
    Abstract: An improved process for preparing a film bearing a light sensitive emulsion, backside coated with a topical antistat, comprising:(a) applying to the backside a photographically inert compound curable by exposure to a free-radical source which compound is a copolymer comprised of ethylene oxide and glycidyl .alpha.,.beta.-unsaturated monocarboxylates and(b) exposing said compound to a free-radical source sufficient to render it durably attached to the backside by curing the unsaturated portions thereofand films prepared by said process.
    Type: Grant
    Filed: April 6, 1978
    Date of Patent: September 9, 1980
    Assignee: The Dow Chemical Company
    Inventors: Paula R. Norman, Sally P. Ginter