Patents by Inventor Kenneth E. Bliznik

Kenneth E. Bliznik 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: 5035859
    Abstract: Contact lenses are disinfected by utilizing an N-alkyl-2-pyrrolidone as the microbicide. The efficacy of prior art microbicides such as chlorhexidene gluconate are enhanced by the addition of the pyrrolidones of this invention. The pyrrolidones suitable for use in the practice of this invention are the C.sub.8 -C.sub.20 N-alkyl-2-pyrrolidones. Preferably the alkyl moiety is octyl, decyl or dodecyl. The pyrrolidones can be utilized in solution or made available as a water soluble tablet.
    Type: Grant
    Filed: November 21, 1989
    Date of Patent: July 30, 1991
    Assignee: Schering Corporation
    Inventors: Ben Gu, Kenneth E. Bliznik, Helmut K. Singer, Sharon M. Ward
  • Patent number: 4686065
    Abstract: Disclosed is a cleaning composition for removing baked on soils from hard surfaces. The composition comprises an alkali metal hydroxide, and a solvent system made up of tetrahydrofurfuryl alcohol together with a propoxylated alcohol or phenol and a thickener to provide a composition having a suitable viscosity for its intended use.
    Type: Grant
    Filed: May 23, 1986
    Date of Patent: August 11, 1987
    Assignee: Miles Laboratories, Inc.
    Inventors: Kenneth E. Bliznik, Gilles M. L. Verboom
  • Patent number: 4477365
    Abstract: Disclosed is a caustic based aqueous cleaning composition which is particularly suitable for use in cleaning soiled ovens. The composition, which has a viscosity of 200-2,000 centipoise at room temperature, comprises an alkali metal hydroxide, a fatty acid substituted betaine, a long-chain alpha olefin sulfonate and a hydrotropic agent.
    Type: Grant
    Filed: August 29, 1983
    Date of Patent: October 16, 1984
    Assignee: Miles Laboratories, Inc.
    Inventors: Gilles M. L. Verboom, Kenneth E. Bliznik, Thomas L. Welsh