Patents by Inventor Philip Daidone

Philip Daidone 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).

  • Dental casting resin from acrylic monomer, acrylic resin, and vinyl chloride resin
    Patent number: 4529777
    Abstract: A dental casting resin wherein the finished casting has a combined vinyl resin content of from 5 to 60% by wt. prepared by polymerizing liquid monomer, e.g. methyl methacrylate, in the presence of at least one vinyl resin and at least one acrylic resin, wherein said monomer is a non-solvent at room temperature for said vinyl resin and wherein the volume ratio of solid resins to liquid monomer is at least about 3.5:1.
    Type: Grant
    Filed: November 10, 1982
    Date of Patent: July 16, 1985
    Inventor: Philip Daidone
  • Casting resins by polymerizing liquid monomer in mixture of particulated vinyl halide resins
    Patent number: 4115479
    Abstract: A casting resin wherein the finished casting has a combined vinyl resin content of from 20 to 65% prepared by polymerizing monomer, for instance methyl methacrylate in the presence of A) vinyl resin, for instance, polyvinylchloride or polyvinylchloride-polyvinylidene chloride copolymer having a particle size within the range of 0.2 to 5 .mu. and B) vinyl resin, for instance polyvinylchloride or polyvinylchloride-polyvinylidene chloride copolymer having a particle size within the range of 15 to 150 .mu., wherein said monomer is a non-solvent at room temperature for said vinyl resins.
    Type: Grant
    Filed: August 11, 1976
    Date of Patent: September 19, 1978
    Assignee: Vynacron Dental Co.
    Inventor: Philip Daidone