Patents by Inventor Robert A. Abrahams

Robert A. Abrahams 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).

  • Alcohol soluble hydrophilic polymer via aqueous polymerization
    Patent number: 3963685
    Abstract: Hydrophilic, water insoluble, organic solvent soluble polymers of hydroxyalkyl methacrylate or acrylate of high purity are prepared in water using hydroxyalkyl methacrylate or acrylate monomer having not over 0.035 weight percent of alkylene glycol dimethacrylate or diacrylate. The polymers have high molecular weight and narrow molecular weight distribution and are useful for medical applications, e.g., as a burn dressing.
    Type: Grant
    Filed: May 13, 1974
    Date of Patent: June 15, 1976
    Inventor: Robert A. Abrahams