Patents by Inventor Fernand J. Kech

Fernand J. Kech 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).

  • Aqueous fluid
    Patent number: 4956110
    Abstract: The use of a water-soluble hydroxyl di- or tri-carboxylic acid, generally in combination with an alkanolamine in an oil water fluid especially metal working or hydraulic fluids results in a fluid having excellent hard water compatibility, low foaming tendency in soft water and a good biostability; other additives such as emulsifiers, copper passivators and the like are generally present.
    Type: Grant
    Filed: April 12, 1988
    Date of Patent: September 11, 1990
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Alain L. P. Lenack, Fernand J. Kech
  • Aqueous fluids
    Patent number: 4938891
    Abstract: Aqueous fluids having a good combination of anti-bacterial properties, stability in hard water, a reduced foaming tendency in soft water and at times a reduced boron content are obtained by the use as additive of a combination of a water-soluble hydroxy di- or tri- carboxylic acid an an excess of an alkanolamine, additive concentrates for incorporation into the aqueous fluids and the aqueous fluids themselves.
    Type: Grant
    Filed: July 12, 1989
    Date of Patent: July 3, 1990
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Alain L. P. Lenack, Fernand J. Kech