Patents by Inventor Guy S. Pairon

Guy S. Pairon 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).

  • Process for producing cement and cement obtained by means of this process
    Patent number: 4464201
    Abstract: A process for producing cement to be used when preparing an injection grout for prestressed concrete sheathes, comprising grinding together, at a temperature lower than 90.degree. C., Portland clinker which is free from any corrosive ions for steel, gypsum, an anhydrous water reducing additive and an also anhydrous cement set retarding agent, as well as cement obtained by means of this process and injection grout for prestressed concrete sheathes such as produced with this cement.
    Type: Grant
    Filed: December 8, 1982
    Date of Patent: August 7, 1984
    Assignee: S.A. Cimenteries C.B.R. Cementbedrijven N.V.
    Inventor: Guy S. Pairon