Patents by Inventor Charles R. Minns

Charles R. Minns 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).

  • Removing stains from fixed items
    Patent number: 5522580
    Abstract: A method for removing various stains from stained fixed items uses an aqueous cleaning composition having a pH of at least about 9.0 and composed of up to about 30 percent by total composition weight of a wetting agent containing 1 to about 5 carbon atoms; between about 3 and about 15 percent by total composition weight of a peroxyhydrate oxidizing agent; and a pH adjustment substance.
    Type: Grant
    Filed: June 25, 1993
    Date of Patent: June 4, 1996
    Assignee: BASF Corporation
    Inventors: Thomas L. Varner, Jr., Timothy W. Blount, Charles R. Minns
  • Method for removing coffee stains from carpet
    Patent number: 5389278
    Abstract: An aqueous cleaning composition has a pH of at least about 9.0 and is composed of up to about 30 percent by total composition weight of a wetting agent containing 1 to about 5 carbon atoms; between about 3 and about 15 percent by total composition weight of a peroxyhydrate oxidizing agent; and a pH adjustment substance.
    Type: Grant
    Filed: June 19, 1992
    Date of Patent: February 14, 1995
    Assignee: BASF Corporation
    Inventors: Charles R. Minns, Thomas L. Varner, Jr.
  • Volatile carpet sanitizing shampoo containing hydrogen peroxide
    Patent number: 5348556
    Abstract: An aqueous composition cleans and sanitizes carpets and the like. The composition contains (in percents by weight) from about 3 to about 15 percent peroxide, up to about 5% of volatile ammoniated substance, up to about 30% volatile wetting agent, and the balance water. The solution is substantially completely volatile so that it does not leave a soil harboring residue.
    Type: Grant
    Filed: October 27, 1993
    Date of Patent: September 20, 1994
    Assignee: BASF Corporation
    Inventors: Charles R. Minns, Timothy W. Blount, Thomas L. Varner, Jr.
  • Carpet cleaning method
    Patent number: 5252243
    Abstract: An aqueous cleaning composition suitable for removing stains, soils, or combinations thereof from synthetic polymer fibers. The composition finds particular application in removing coffee stains from fibers contained in textile products such as carpets. The composition has a pH in the range of from about 7.0 to about 12 and comprises a peroxyhydrate, i.e., hydrogen peroxide, and a water soluble alcohol having up to 5 carbon atoms, i.e., isopropyl.
    Type: Grant
    Filed: January 8, 1990
    Date of Patent: October 12, 1993
    Assignee: BASF Corporation
    Inventor: Charles R. Minns