Patents by Inventor Stephen E. Minter

Stephen E. Minter 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: 8664173
    Abstract: The present invention is directed to a premoistened, disposable, cleaning substrate to improve dirt pick-up and to retard redeposition of the dirt back onto the cleaned leather surface. The said substrate is incorporated therein with a cleaning composition to improve cleaning and impart protection and/or preservation of the leather surface or article. The said substrate is further incorporated therein with UV absorbers to further protect the leather surface, improve appearance and durability. The impregnated substrate can be employed to clean leather surfaces such as furniture, clothing, shoes, belts, automobile upholstery and the like. In addition, a method of preserving a leather surface or article by contacting said surface with said substrate is disclosed.
    Type: Grant
    Filed: December 3, 2007
    Date of Patent: March 4, 2014
    Assignee: BASF SE
    Inventors: Andress K. Johnson, Stephen E. Minter
  • Patent number: 8093199
    Abstract: The present invention is based in part on the discovery that impregnating a cleaning substrate with a nonionic, linear polymer unexpectedly improves the cleaning efficacy of the article and prevents redeposition of soil and dirt onto the cleaned hard or soft surface. The nonionic, linear polymer is, for example, polyacrylamide. In addition, a method of incorporation of a cleaning composition into said substrate is disclosed.
    Type: Grant
    Filed: November 8, 2007
    Date of Patent: January 10, 2012
    Assignee: BASF SE
    Inventors: Andress K. Johnson, Stephen E. Minter
  • Publication number: 20080293613
    Abstract: The present invention is based in part on the discovery that impregnating a cleaning substrate with a nonionic, linear polymer unexpectedly improves the cleaning efficacy of the article and prevents redeposition of soil and dirt onto the cleaned hard or soft surface. The nonionic, linear polymer is, for example, polyacrylamide. In addition, a method of incorporation of a cleaning composition into said substrate is disclosed.
    Type: Application
    Filed: November 8, 2007
    Publication date: November 27, 2008
    Inventors: Andress K. Johnson, Stephen E. Minter
  • Publication number: 20080171683
    Abstract: The present invention is directed to a premoistened, disposable, cleaning substrate to improve dirt pick-up and to retard redeposition of the dirt back onto the cleaned leather surface. The said substrate is incorporated therein with a cleaning composition to improve cleaning and impart protection and/or preservation of the leather surface or article. The said substrate is further incorporated therein with UV absorbers to further protect the leather surface, improve appearance and durability. The impregnated substrate can be employed to clean leather surfaces such as furniture, clothing, shoes, belts, automobile upholstery and the like. In addition, a method of preserving a leather surface or article by contacting said surface with said substrate is disclosed.
    Type: Application
    Filed: December 3, 2007
    Publication date: July 17, 2008
    Inventors: Andress K. Johnson, Stephen E. Minter