Patents by Inventor Arne Carlson

Arne Carlson 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).

  • 2,2'-Azobis(4,5-imidazoledicarbonitrile) and derivatives
    Patent number: 4083843
    Abstract: 2,2'-Azobis(4,5-imidazoledicarbonitrile), its alkyl derivatives, salts, metal complexes, hydrolysis products and hydrazine and hydroxylamine adducts are new compounds. The title compound having the formula ##STR1## is useful as a yellow dye for nylon, polyacrylonitrile, wool and silk.
    Type: Grant
    Filed: June 18, 1976
    Date of Patent: April 11, 1978
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Bruce Arne Carlson
  • Method of installation of large capacity gas-turbine powered electrical generating machinery
    Patent number: 4044442
    Abstract: A method of installing into a machinery hall a gas turbine unit comprising a gas generator unit and a power turbine unit and forming a portion of a large capacity, gas-turbine powered electrical generating apparatus. The method is particularly intended for electric generating equipment having a capacity of at least 60 megawatts. To install the gas generator of such a unit in the hall and to couple it to the already-installed power turbine unit, the gas generator is moved horizontally into the machinery hall on roller devices.
    Type: Grant
    Filed: December 18, 1975
    Date of Patent: August 30, 1977
    Assignee: Stal-Laval Turbin AB
    Inventor: Arne Carlson