Patents by Inventor Daniel Porret

Daniel Porret 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: 3943109
    Abstract: New, substituted and/or fused diglycidylbenzimidazolones which can be used, by curing with amines or anhydrides, for the manufacture of casting resins, electrical resins, sintering powders and compression moulding compositions.
    Type: Grant
    Filed: June 24, 1974
    Date of Patent: March 9, 1976
    Assignee: Ciba-Geigy Corporation
    Inventor: Daniel Porret
  • Patent number: 3939125
    Abstract: Diglycidylhexahydrobenzimidazolone and diglycidyltetrahydrobenzimidazolone. These compounds can be used by curing with amines or anhydrides, to manufacture casting resins, electrical resins, sintering powders and, compression moulding compositions.
    Type: Grant
    Filed: April 12, 1974
    Date of Patent: February 17, 1976
    Assignee: Ciba-Geigy Corporation
    Inventor: Daniel Porret
  • Patent number: 3932176
    Abstract: New diacrylates are obtained by a process in which oxalkylated bis-hydantoins are esterified with acrylic acid and/or methacrylic acid, or transesterified with acrylic acid ester and/or methacrylic acid ester.The new diacrylates are low-viscous liquids, which can be easily processed by virtue of their consistency; and the polymerisates produced therefrom, are distinguished by good flexural strength and high transparency.
    Type: Grant
    Filed: May 20, 1974
    Date of Patent: January 13, 1976
    Assignee: Ciba-Geigy Corporation
    Inventors: Juergen Habermeier, Daniel Porret
  • Patent number: 3931058
    Abstract: Compounds of aromatic amines with polycarboxylic acids which possess at least 2 glycidyl groups bonded to the nitrogen atoms of the amide groups, such as, for example, N,N'-diglycidylsebacic acid dianilide or N,N'-diglycidyltetra-hydrophthalic acid dianilide. These compounds, together with curing agents for epoxide resins, are suitable for the manufacture of mouldings, coatings or adhesive bonds.
    Type: Grant
    Filed: December 20, 1973
    Date of Patent: January 6, 1976
    Assignee: Ciba-Geigy AG
    Inventors: Hans Batzer, Juerger Habermeier, Daniel Porret