Patents by Inventor Guenter Klug

Guenter Klug 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).

  • Disulfo-type fluorescent whitening agents
    Patent number: 8696867
    Abstract: Concentrated aqueous fluorescent whitening agent preparations are disclosed for optically whitening paper, wherein the preparation contains a specific disulfo-type fluorescent whitening agent.
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: April 15, 2014
    Assignee: Blankophor GmbH & Co. KG
    Inventors: Bernhard Hunke, Andrei Tauber, Michael Kraemer, Guenter Klug, Theo Lansing, Marco Hafermann
  • Disulfo-type fluorescent whitening agent compositions
    Patent number: 8696868
    Abstract: Fluorescent whitening agent compositions include at least two specific disulfo-type fluorescent whitening agents for optically whitening paper or board.
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: April 15, 2014
    Assignee: Blankophor GmbH & Co. KG
    Inventors: Bernhard Hunke, Andrei Tauber, Michael Kraemer, Guenter Klug
  • DISULFO-TYPE FLUORESCENT WHITENING AGENTS
    Publication number: 20120211188
    Abstract: Concentrated aqueous fluorescent whitening agent preparations are disclosed for optically whitening paper, wherein the preparation contains a specific disulfo-type fluorescent whitening agent.
    Type: Application
    Filed: September 17, 2010
    Publication date: August 23, 2012
    Applicant: BLANKOPHOR GMBH & CO. KG
    Inventors: Bernhard Hunke, Andrei Tauber, Michael Kraemer, Guenter Klug, Theo Lansing, Marco Hafermann
  • DISULFO-TYPE FLUORESCENT WHITENING AGENTS IN COATING APPLICATIONS
    Publication number: 20120214011
    Abstract: Disulfo-type fluorescent whitening agents for optically brightening coating slips contain a synthetic binder and a different synthetic co-binder. In addition, a coating slip and its use for preparing coated papers are disclosed.
    Type: Application
    Filed: September 17, 2010
    Publication date: August 23, 2012
    Applicant: BLANKOPHOR GMBH & CO. KG
    Inventors: Bernhard Hunke, Michael Kraemer, Andrei Tauber, Guenter Klug
  • DISULFO-TYPE FLUORESCENT WHITENING AGENT COMPOSITIONS
    Publication number: 20120199302
    Abstract: The present invention relates to fluorescent whitening agent compositions containing at least two specific disulfo-type fluorescent whitening agents for optically whitening paper or board.
    Type: Application
    Filed: September 17, 2010
    Publication date: August 9, 2012
    Applicant: BLANKOPHOR GMBH & CO. KG
    Inventors: Bernhard Hunke, Andrei Tauber, Michael Kraemer, Guenter Klug
  • Cargo compartment door for an aircraft
    Patent number: 5335880
    Abstract: A cargo compartment door for a passenger aircraft having about 80 to 150 seats, wherein the cargo compartment is located underneath the cabin floor, closes a loading opening (6) that extends from approximately a connection area (3, 4) between the cabin floor and the fuselage downwardly in a circumferential direction to well beyond the center plane of the fuselage. The cargo compartment door has a work platform that extends approximately horizontally in the loading position. These features provide an optimal convenience for loading and unloading such aircraft.
    Type: Grant
    Filed: October 16, 1992
    Date of Patent: August 9, 1994
    Assignee: Deutsche Aerospace Airbus GmbH
    Inventor: Heinz-Guenter Klug