Patents Assigned to IPCO Corp.
  • Dental material comprising adduct of glycidilmethacrylate and tricarboxylic acid
    Patent number: 4774267
    Abstract: Dental restorative compositions comprising a polymerizable polyfunctional prepolymer type methacrylate having the following chemical formulas: ##STR1## and a filler material, are disclosed. The prepolymer monomers and polymer formed are also taught.
    Type: Grant
    Filed: August 4, 1987
    Date of Patent: September 27, 1988
    Assignee: IPCO Corp.
    Inventor: Yuri Weintraub
  • Ultrasonic cleaning machine
    Patent number: D315040
    Type: Grant
    Filed: December 20, 1988
    Date of Patent: February 26, 1991
    Assignee: Ipco Corp.
    Inventor: Alan Miller
  • Tray unit for an ultrasonic cleaning machine
    Patent number: D316168
    Type: Grant
    Filed: December 20, 1988
    Date of Patent: April 9, 1991
    Assignee: Ipco Corp.
    Inventor: Alan Miller