Patents by Inventor Marianne Punzar

Marianne Punzar 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: 4744959
    Abstract: A process and an apparatus used to produce a suspension of cyanuric chloride in water, or to react cyanuric chloride with ammonia or with amines. It is possible to produce cyanuric chloride suspensions in water which have a mean particle size of below 20 .mu.m, and a concentration of higher than 20% by weight of cyanuric chloride.
    Type: Grant
    Filed: November 21, 1986
    Date of Patent: May 17, 1988
    Assignee: Ciba-Geigy AG
    Inventors: Marianne Punzar, Franz Marti, Robert Mercier, Paul Tobler, Rudolf Buttiker
  • Patent number: 4678852
    Abstract: The process and the apparatus according to the invention are used to produce a suspension of cyanuric chloride in water, or to react cyanuric chloride with ammonia or with amines. It is possible to produce cyanuric chloride suspensions in water which have a mean particle size of below 20 .mu.m, and a concentration of higher than 20% by weight of cyanuric chloride.
    Type: Grant
    Filed: October 30, 1984
    Date of Patent: July 7, 1987
    Assignee: Ciba-Geigy AG
    Inventors: Marianne Punzar, Franz Marti, Robert Mercier, Paul Tobler, Rudolf Buttiker
  • Patent number: 4552959
    Abstract: The process and the apparatus according to the invention are used to produce a suspension of cyanuric chloride in water, or to react cyanuric chloride with ammonia or with amines. It is possible to produce cyanuric chloride suspensions in water which have a mean particle size of below 20 .mu.m, and a concentration of higher than 20% by weight of cyanuric chloride.
    Type: Grant
    Filed: May 12, 1983
    Date of Patent: November 12, 1985
    Assignee: Ciba Geigy AG
    Inventors: Marianne Punzar, Franz Marti, Robert Mercier, Paul Tobler, Rudolf Buttiker