Patents by Inventor Heinz Egger

Heinz Egger 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).

  • METHOD AND DEVICE FOR DETECTING STEP LOSSES OF A STEP MOTOR
    Publication number: 20110133682
    Abstract: For activating a stepper motor, a pulse-width modulated current is supplied to a coil of the stepper motor and it is determined whether the current flowing through the stepper motor, based on a default value, lies within a current bandwidth defined by an upper switching threshold and a lower switching threshold. The current supply to the coil is switched on when the detected current has dropped to the lower threshold and is switched off when the detected current has risen to the upper threshold. In order to detect a step loss, the signal form of the current or its change, respectively, is analyzed and deviations from desired values or desired value ranges, respectively, which have been caused by step losses, are detected. The determination of the signal form of the current or its change, respectively, may occur indirectly by analyzing a corresponding control signal.
    Type: Application
    Filed: December 3, 2008
    Publication date: June 9, 2011
    Inventors: Heinz Egger, Bernhard Heinz, Jurgen Schuhmacher
  • Process for the production of (?)-epigallocatechin gallate
    Patent number: 7312199
    Abstract: A process is provided for making (?)-epigallocatechin gallate (EGCG) by subjecting a green tea extract to chromatography on a macroporous polar resin, eluting EGCG from the resin with a polar elution solvent, optionally concentrating the eluate, optionally regenerating the resin by desorbing the remaining catechins, and optionally concentrating the desorbed catechins.
    Type: Grant
    Filed: November 9, 2005
    Date of Patent: December 25, 2007
    Assignee: DSM IP Assets B.V.
    Inventors: David Carl Burdick, Heinz Egger, Andrew George Gum, Ingo Koschinski, Elena Muelchi, Isabelle Prevot-Halter
  • Process for the production of (-)-epigallocatechin gallate
    Publication number: 20060069046
    Abstract: A process is provided for making (?)-epigallocatechin gallate (EGCG) by subjecting a green tea extract to chromatography on a macroporous polar resin, eluting EGCG from the resin with a polar elution solvent, optionally concentrating the eluate, optionally regenerating the resin by desorbing the remaining catechins, and optionally concentrating the desorbed catechins.
    Type: Application
    Filed: November 9, 2005
    Publication date: March 30, 2006
    Inventors: David Burdick, Heinz Egger, Andrew Gum, Ingo Koschinski, Elena Muelchi, Isabelle Prevot-Halter
  • Process for the production of (?)-epigallocatechin gallate
    Patent number: 7012149
    Abstract: A process is provided for making (?)-epigallocatechin gallate (EGCG) by subjecting a green tea extract to chromatography on a macroporous polar resin, eluting EGCG from the resin with a polar elution solvent, optionally concentrating the eluate, optionally regenerating the resin by desorbing the remaining catechins, and optionally concentrating the desorbed catechins.
    Type: Grant
    Filed: September 18, 2002
    Date of Patent: March 14, 2006
    Assignee: DSM IP Assets B.V.
    Inventors: David Carl Burdick, Heinz Egger, Andrew George Gum, Ingo Koschinski, Elena Muelchi, Isabelle Prevot-Halter
  • Process for the production of (-)-epigallocatechin gallate
    Publication number: 20030083270
    Abstract: A process is provided for making (-)-epigallocatechin gallate (EGCG) by subjecting a green tea extract to chromatography on a macroporous polar resin, eluting EGCG from the resin with a polar elution solvent, optionally concentrating the eluate, optionally regenerating the resin by desorbing the remaining catechins, and optionally concentrating the desorbed catechins.
    Type: Application
    Filed: September 18, 2002
    Publication date: May 1, 2003
    Applicant: ROCHE VITAMINS, INC.
    Inventors: David Carl Burdick, Heinz Egger, Andrew George Gum, Ingo Koschinski, Elena Muelchi, Isabelle Prevot-Halter
  • Process for the preparation of 2-aminopropanediol-1,3(serinol)
    Patent number: 4448999
    Abstract: 2-Aminopropanediol-1,3 (serinol) can be prepared by hydrogenation of the alkali salt of 2-nitro-1,3-propanediol with assuredly high yields by maintaining a narrow range of temperatures of extending from 50.degree.-80.degree. C. by use of a cooling device.
    Type: Grant
    Filed: July 30, 1982
    Date of Patent: May 15, 1984
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Klaus Thewalt, Gunter Bison, Heinz Egger