Patents by Inventor Alan G. Barber

Alan G. Barber 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).

  • Cooling system cleaning composition
    Patent number: 4540443
    Abstract: A cooling system cleaning composition comprising an aqueous solution of a tetra-alkali metal salt of ethylenediaminetetraacetic acid, a soluble salt of citric acid, and a soluble salt of nitric acid. The preferred composition also contains an aluminum corrosion inhibitor and has a pH between about 10 and about 14.
    Type: Grant
    Filed: June 15, 1984
    Date of Patent: September 10, 1985
    Assignee: Union Carbide Corporation
    Inventor: Alan G. Barber
  • Method for dispersing fibrillated fibers
    Patent number: 4524158
    Abstract: A method for forming a suspension of a fibrillated fiber in an alcoholic medium which comprises (i) providing a mixture comprising alcohol, water, and dispersing agent, wherein the concentration of the water is at least about 15 wt. %; (ii) dispersing a fibrillated fiber in the mixture of (i) to provide a fibrillated fiber predispersion; and (iii) diluting the predispersion of (ii) with alcohol to provide a final dispersion of fibrillated fiber in an alcoholic medium.
    Type: Grant
    Filed: February 10, 1984
    Date of Patent: June 18, 1985
    Assignee: Union Carbide Corporation
    Inventor: Alan G. Barber
  • Leak stopping composition and method
    Patent number: 4524159
    Abstract: A leak stopping composition for use in heat exchange systems comprising a dispersion of a fibrillated fiber in a liquid medium.
    Type: Grant
    Filed: February 10, 1984
    Date of Patent: June 18, 1985
    Assignee: Union Carbide Corporation
    Inventor: Alan G. Barber
  • Sealant composition and method
    Patent number: 4439561
    Abstract: Disclosed is a composition for stopping leaks which comprises the combination of a fibrillated fiber and a particulate material, such as a seed meal, in a suspension in a liquid medium. A preferred fibrillated fiber comprises the polymer, poly(imino-1,4-phenyleneiminoterephthaloyl).
    Type: Grant
    Filed: March 24, 1982
    Date of Patent: March 27, 1984
    Assignee: Union Carbide Corporation
    Inventor: Alan G. Barber