Patents by Inventor Charles Riffkin

Charles Riffkin 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).

  • Microporous adhesive tape
    Patent number: 4427737
    Abstract: A breathable tape comprising a porous backing layer and a microporous adhesive layer. The adhesive layer includes a rubbery elastomer, one or more water soluble or swellable hydrocolloids, and other optional substances and has a porosity of from about 1 to about 100 cc/sec/in.sup.2.
    Type: Grant
    Filed: April 23, 1981
    Date of Patent: January 24, 1984
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Rudolfo D. Cilento, Charles Riffkin, Anthony L. LaVia
  • Method of stabilizing an injectable composition of a cholecystokinin active octapeptide
    Patent number: 3937819
    Abstract: A stable composition of the sulfated octapeptide, ##EQU1## having cholecystokinin activity, is obtained by lyophilizing an aqueous solution of the octapeptide and NaCl.
    Type: Grant
    Filed: July 22, 1974
    Date of Patent: February 10, 1976
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Miguel Angel Ondetti, Charles Riffkin, Bernard Rubin, Aaron L. Weiss