Patents by Inventor Ruth Silberman-Hazony

Ruth Silberman-Hazony 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: 5003065
    Abstract: New compounds are described of the formula: ##STR1## wherein Z is selected from ##STR2## each x is selected from ##STR3## n is an integer from 1-10; each Y is selected from hydrogen, --NH.sub.2, --COQ, --COOQ, --COONHQ, --COOH, --OH, W, halogen and Q; wherein each Q is independently selected from substituted and unsubstituted lower alkenyl and lower alkyl and wherein the substitutuents are selected from --NH.sub.2 halogen, --OH, and --COOH; D is selected from hydroxy, hydrogen and --NH.sub.2 ; and W is selected from ##STR4## wherein each R is independently selected from hydrogen and lower alkyl; R' is selected from ethylene, propylene, isopropylene and phenylene; M is selected from chlorine and hydroxy; A is selected from hydrogen, lower alkyl, lower alkenyl, cycloalkyl, and phenyl; (B) is selected from ##STR5## --CO--, --NHCO--, --O--, --COO--, --N.dbd.N--, or represents a confugate bond; L.sub.1 and L.sub.
    Type: Grant
    Filed: June 14, 1988
    Date of Patent: March 26, 1991
    Inventors: Carey Merritt, James Winkelman, Ruth Silberman-Hazony
  • Patent number: 4866132
    Abstract: Radiopaque polymeric materials comprising halogenated barium salts, homogeneously distributed at the molecular level, provide permanent, nonleachable radiopacities at least equivalent to pure aluminum without adversely affecting mechanical or physical properties of compositions in which they are employed.
    Type: Grant
    Filed: April 17, 1986
    Date of Patent: September 12, 1989
    Assignee: The Research Foundation of State University of New York
    Inventors: Alan Obligin, Du W. Xia, Ruth Silberman-Hazony, H. Ralph Rawls, Israel Cabasso, Johannes Smid