Patents by Inventor Jorg Pfitzner

Jorg Pfitzner 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).

  • New antibiotics, preparation and use of and intermediates therefor
    Patent number: 4670542
    Abstract: New antibiotics of the formula ##STR1## in which X is O or N--CO--NH.sub.2,R is the radical of an aminoacid other than serine, an oligopeptide other than HyoHyoHyoSer or a derivative thereof on the free amino group, or a radical from the group comprising HyoSer, HyoHyoSer, HyoHyoHyoAla, HyoHyoHyoThr, Hyo, HyoHyo or HyoHyoHyo, andHyo is N.sup.5 -acetyl-N.sup.5 -hydroxy-L-ornithine.
    Type: Grant
    Filed: May 29, 1986
    Date of Patent: June 2, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gunter Benz, Karl G. Metzger, Jorg Pfitzner, Delf Schmidt, Hans-Joachim Zeiler
  • Antibiotics, preparation and use of and intermediates therefor
    Patent number: 4626525
    Abstract: New antibiotics of the formula ##STR1## in which X is O or N--CO--NH.sub.2,R is the radical of an aminoacid other than serine, an oligopeptide other than HyoHyoHyoSer or a derivative thereof on the free amino group, or a radical from the group comprising HyoSer, HyoHyoSer, HyoHyoHyoAla, HyoHyoHyoThr, Hyo, HyoHyo or HyoHyoHyo, andHyo is N.sup.5 -acetyl-N.sup.5 -hydroxy-L-ornithine.
    Type: Grant
    Filed: November 7, 1984
    Date of Patent: December 2, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gunter Benz, Karl G. Metzger, Jorg Pfitzner, Delf Schmidt, Hans-Joachim Zeiler
  • Streptomyces species and process for producing antibiotic
    Patent number: 4546079
    Abstract: An antibiotic compound which can be in the iron-free or iron-containing form and has the structural formula (B) as described herein. The compound possesses antimicrobial activity. Also fermentation processes for preparation of the above-mentioned antibiotic compound. In addition, pharmaceutical compositions containing said antibiotic compound and the use of said antibiotic compound and compositions for combating bacterial infection.
    Type: Grant
    Filed: May 31, 1983
    Date of Patent: October 8, 1985
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl G. Metzger, Jorg Pfitzner, Delf Schmidt, Horst Weyland, Gunter Benz, Theo Schroder
  • Antibiotic compounds, their production and their medicinal use
    Patent number: 4474762
    Abstract: The invention relates to antimicrobial compounds of Formula (I) and semi-synthetic methods for their production. Also included in the invention are compositions containing said antimicrobial compounds and methods for the use of said compound and compositions.
    Type: Grant
    Filed: June 14, 1982
    Date of Patent: October 2, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gunter Benz, Karl G. Metzger, Jorg Pfitzner, Delf Schmidt, Hans-Joachim Zeiler
  • Antibiotic compound, its production and its medicinal use
    Patent number: 4416870
    Abstract: The invention relates to an antibiotic compound which can be in the iron-free or iron-containing form and has the structural formula (A) as described herein. The compound possesses antimicrobial activity. Also included in the invention are fermentation processes for preparation of the above-mentioned antibiotic compound. In addition, the invention includes pharmaceutical compositions containing said antibiotic compound and the use of said antibiotic compound and compositions for combating bacterial infections.
    Type: Grant
    Filed: January 18, 1982
    Date of Patent: November 22, 1983
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl G. Metzger, Jorg Pfitzner, Delf Schmidt, Horst Weyland, Gunter Benz, Theo Schroder
  • Antibiotic compound, its production and its medicinal use
    Patent number: 4415557
    Abstract: The invention relates to an antibiotic compound which can be in the iron-free or iron-containing form and has the structural formula (B) as described herein. The compound posesses antimicrobial activity. Also included in the invention are fermentation processes for preparation of the above-mentioned antibiotic compound. In addition, the invention includes pharmaceutical compositions containing said antibiotic compound and the use of said antibiotic compound and compositions for combating bacterial infection.
    Type: Grant
    Filed: January 18, 1982
    Date of Patent: November 15, 1983
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl G. Metzger, Jorg Pfitzner, Delf Schmidt, Horst Weyland, Gunter Benz, Theo Schroder
  • .beta.-Hydroxybutyric acid polyesters, a process for their production and their use as starting materials for lacquers
    Patent number: 4324880
    Abstract: Polyesters having a hydroxyl number of from 50 to 400 and containing 20 to 90% by weight of co-condensed .beta.-hydroxybutyric acid units have proved to yield transparent, glossy, elastic and hard coatings.
    Type: Grant
    Filed: November 24, 1980
    Date of Patent: April 13, 1982
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rolf Dhein, Knud Reuter, Hans Rudolph, Jorg Pfitzner
  • Antibiotic, its production and its medicinal use
    Patent number: 4264591
    Abstract: The invention relates to the provision of an antimicrobial antibiotic obtained by culturing Actinoplanes strain ATCC 31440 under aerobic conditions in the presence of sources of carbon and nitrogen and in the presence of trace amounts of minerals. In addition to their use as antimicrobials, the antibiotics of the invention can be used for improving the growth and feed utilization in animals.
    Type: Grant
    Filed: October 18, 1979
    Date of Patent: April 28, 1981
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Bauer, Wolfgang Gau, Wilfried Kaufmann, Jorg Pfitzner, Martin Scheer, Theo Schroder