Patents by Inventor Burkhard Wichert

Burkhard Wichert 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: 7605121
    Abstract: A novel lyophilizate and method of preparation as well as the use of the lyophilizate to treat female infertility and for gonad protection. Cetrorelix is dissolved in acetic acid 30% v/v, the solution is transferred to water and freeze dried.
    Type: Grant
    Filed: January 24, 2005
    Date of Patent: October 20, 2009
    Assignee: AEterna Zentaris GmbH
    Inventors: Jürgen Engel, Burkhard Wichert, Dieter Sauerbier, Gudrun Sauerbier, legal representative, Thomas Reissmann
  • Publication number: 20070010700
    Abstract: The invention relates to safety containers for biologically active substances, in particular cytostatic agents, said container having increased or higher fracture strength and shatterproof qualities, in addition to an uncontaminated exterior. The invention also relates to a method for producing said containers and to the use of a medium containing at least one polymer for decontaminating the exterior of a container that is filled with a biologically active substance, sealed and optionally labelled.
    Type: Application
    Filed: January 9, 2004
    Publication date: January 11, 2007
    Applicant: Baxter International Inc
    Inventors: Hubert Bensmann, Heiko Kranzmann, Eckhard Milsmann, Burkhard Wichert
  • Publication number: 20050124546
    Abstract: A novel lyophilizate and method of preparation as well as the use of the lyophilizate to treat female infertility and for gonad protection. Cetrorelix is dissolved in acetic acid 30% v/v, the solution is transferred to water and freeze dried.
    Type: Application
    Filed: January 24, 2005
    Publication date: June 9, 2005
    Inventors: Jurgen Engel, Burkhard Wichert, Dieter Sauerbier, Thomas Reissmann
  • Patent number: 6867191
    Abstract: A lyophilizate, method of preparation, and use of the lyophilizate for gonad protection is described. The lyophilizate comprises cetrorelix dissolved in 30% (v/v) acetic acid, transferred to water, and freeze-dried.
    Type: Grant
    Filed: May 24, 2002
    Date of Patent: March 15, 2005
    Assignee: Zentaris GmbH
    Inventors: Jürgen Engel, Burkhard Wichert, Dieter Sauerbier, Thomas Reissmann
  • Patent number: 6863891
    Abstract: A novel lyophilizate and method of preparation as well as the use of the lyophilizate to treat female infertility and for gonad protection. Cetrorelix is dissolved in acetic acid 30% v/v, the solution is transferred to water and freeze dried.
    Type: Grant
    Filed: January 9, 2002
    Date of Patent: March 8, 2005
    Assignee: Zentaris AG
    Inventors: Jürgen Engel, Burkhard Wichert, Dieter Sauerbier, Thomas Reissmann
  • Patent number: 6828415
    Abstract: A novel lyophilizate and method of preparation as well as the use of the lyophilizate to treat female infertility and for gonad protection. Cetrorelix is dissolved in acetic acid 30% v/v, the solution is transferred to water and freeze dried.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: December 7, 2004
    Assignee: Zentaris GmbH
    Inventors: Jürgen Engel, Burkhard Wichert, Dieter Sauerbier, Thomas Reissmann
  • Patent number: 6716817
    Abstract: A method of treating female infertility using a novel cetrorelix acetate lyophilizate is disclosed.
    Type: Grant
    Filed: January 20, 1999
    Date of Patent: April 6, 2004
    Assignee: Zentaris AG
    Inventors: Jürgen Engel, Burkhard Wichert, Dieter Eauerbiar, Thomas Reissman
  • Publication number: 20020198186
    Abstract: A novel lyophilizate and method of preparation as well as the use of the lyophilizate to treat female infertility and for gonad protection. Cetrorelix is dissolved in acetic acid 30% V/V, the solution is transferred to water and freeze dried.
    Type: Application
    Filed: May 24, 2002
    Publication date: December 26, 2002
    Applicant: Zentaris AG
    Inventors: Jurgen Engel, Burkhard Wichert, Dieter Sauerbier, Thomas Reissmann
  • Publication number: 20020103113
    Abstract: A novel lyophilizate and method of preparation as well as the use of the lyophilizate to treat female infertility and for gonad protection. Cetrorelix is dissolved in acetic acid 30% v/v, the solution is transferred to water and freeze dried.
    Type: Application
    Filed: January 9, 2002
    Publication date: August 1, 2002
    Inventors: Jurgen Engel, Burkhard Wichert, Dieter Sauerbier, Thomas Reissmann
  • Publication number: 20020099018
    Abstract: A novel lyophilizate and method of preparation as well as the use of the lyophilizate to treat female infertility and for gonad protection. Cetrorelix is dissolved in acetic acid 30% v/v, the solution is transferred to water and freeze dried.
    Type: Application
    Filed: June 6, 1995
    Publication date: July 25, 2002
    Inventors: JURGEN ENGEL, BURKHARD WICHERT, DIETER SAUERBIER, THOMAS REISSMANN
  • Publication number: 20010046504
    Abstract: 1. [sic] The invention relates to film-coated tablets with cyclophosphamide as active compound, which in the core comprise cyclophosphamide, one or more fillers, one or more dry binders but no preswollen starch, flow regulators and lubricants.
    Type: Application
    Filed: June 15, 1999
    Publication date: November 29, 2001
    Inventors: JURGEN ENGEL, JURGEN RAWERT, DIETER SAUERBIER, BURKHARD WICHERT
  • Patent number: 5750131
    Abstract: The invention relates to improved ifosfamide preparations which are distinguished in that as primary auxiliary a polysaccharide, in general a glycan, preferably dextran, starches or cellulose, in particular dextrans having an MW of 20,000 to 85,000, modified starches such as hydroxyethyl starch and chemically modified celluloses such as hydroxyethylcellulose and sodium carboxymethylcellulose, a glycol ether, preferably polyethylene glycol, in particular polyethylene glycols having a molecular weight of 600 to 6000 or an amino acid, preferably alanine, leucine or glutamic acid, is added to them.The improved ifosfamide preparation can also contain as an auxiliary a pharmaceutically customary buffer, for example acetate, citrate or tris buffer, preferably phosphate buffer.In addition, improved ifosfamide preparations are obtained by addition of NaHCO.sub.3.The ifosfamide preparations according to the invention can comprise one or a combination of several auxiliaries.
    Type: Grant
    Filed: November 19, 1996
    Date of Patent: May 12, 1998
    Assignee: Asta Medica Aktiengesellschaft
    Inventors: Burkhard Wichert, Dieter Sauerbier, Jurgen Rawert
  • Patent number: 5446033
    Abstract: Solutions of alkylphosphocholines in glycerol alkyl ethers having enhanced storage stability containing a buffer which maintains the pH value to a range between 4 and 6.
    Type: Grant
    Filed: October 19, 1993
    Date of Patent: August 29, 1995
    Assignee: Asta Medica AG
    Inventors: Jurgen Engel, Elisabeth Wolf-Heuss, Helmut Orth, Burkhard Wichert, Dieter Sauerbier