Patents by Inventor Edwin C. Klabunde

Edwin C. Klabunde 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).

  • Patent number: 4310446
    Abstract: A joint sealant composition that is compatible with Portland cement and with asphalt including, on a weight basis, from 57% to 75% of an aromatic petroleum tar boiling between 220.degree. C. and 650.degree. C., from 5% to 18% of an oil-soluble ground rubber, from 10% to 17% of inorganic filler, and from 3% to 6.5% PVC with the combined weight of PVC not exceeding 23% of the composition.
    Type: Grant
    Filed: June 23, 1980
    Date of Patent: January 12, 1982
    Assignee: Superior Products, Inc.
    Inventors: Frank D. Gaus, Edwin C. Klabunde
  • Patent number: 4189412
    Abstract: A sealant composition particularly for use in joints between adjacent concrete slabs and deck membranes which includes coal tar pitch, vinyl chloride polymer, a solid, particulate filler and an additive mixture of a blend of petroleum-based aromatic distillates boiling from about 220.degree. C. to about 650.degree. C.
    Type: Grant
    Filed: October 17, 1978
    Date of Patent: February 19, 1980
    Assignee: Superior Products Company, Inc.
    Inventor: Edwin C. Klabunde