Patents Represented by Attorney Raymond Underwood

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  • Process for producing pharmaceutical grade aluminum hydroxide gels
    Patent number: 4105579
    Abstract: A process for producing aluminum hydroxide gels substantially free of sodium ions involves a heterogeneous reaction between an aqueous solution of a water soluble aluminum salt and an aqueous slurry of a water soluble alkaline earth carbonate.
    Type: Grant
    Filed: March 4, 1976
    Date of Patent: August 8, 1978
    Assignee: Barcroft Company
    Inventor: Green B. Glasscock
  • Chewed gum disposal receptacle
    Patent number: D246753
    Type: Grant
    Filed: October 6, 1975
    Date of Patent: December 27, 1977
    Inventor: Charmaine A. Jenkins