Patents by Inventor Everett J. Canning, Jr.

Everett J. Canning, Jr. 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).

  • Copper refining and novel flux therefor
    Patent number: 4318737
    Abstract: A method for removing lead and other basic impurities from copper during refining of the copper comprises treating molten copper to be refined with a slag having a final composition including iron oxide, calculated as Fe.sub.2 O.sub.3 and silica (SiO.sub.2) wherein the weight ratio of iron oxide to silica is from 0.4 to 0.8. The novel slag preferably contains less than 10% boric oxide and up to 30% phosphorus pentoxide.
    Type: Grant
    Filed: October 20, 1980
    Date of Patent: March 9, 1982
    Assignee: Western Electric Co. Incorporated
    Inventor: Everett J. Canning, Jr.
  • Copper refining
    Patent number: 4316742
    Abstract: Tin and antimony impurities can be removed from copper scrap by melting the scrap in the presence of a flux comprising a mixture of calcium and solution oxides in a weight ratio of calcium oxide to sodium oxide of from 1:1 to 4:1.
    Type: Grant
    Filed: October 20, 1980
    Date of Patent: February 23, 1982
    Assignee: Western Electric Co., Incorporated
    Inventor: Everett J. Canning, Jr.
  • Separation of contaminant material from copper wire and cable
    Patent number: 4284428
    Abstract: Copper scrap from chopped and separated copper wire and cable is treated to remove contaminants still remaining on or mixed with the copper by sequential treatment, first in a sodium nitrate-postassium nitrate fused salt bath followed by a cuprous chloride fused salt bath.
    Type: Grant
    Filed: October 29, 1980
    Date of Patent: August 18, 1981
    Assignee: Western Electric Co., Inc.
    Inventor: Everett J. Canning, Jr.