Patents by Inventor Hans Disselnkotter

Hans Disselnkotter 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: 4447367
    Abstract: The invention relates to phosphonoformaldehyde of the formula ##STR1## Also included in the invention is a method for the manufacture of said phosphonoformaldehyde in which a dialkoxymethane phosphonic acid is warmed with water (then reacted with a base if a salt is desired.) Phosphonoformaldehyde is an intermediate for the manufacture of phosphonohydroxy acetic acid, which is an antiviral agent.
    Type: Grant
    Filed: April 22, 1982
    Date of Patent: May 8, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hermann Oediger, Folker Lieb, Hans Disselnkotter
  • Patent number: 4370280
    Abstract: The invention relates to phosphonodroxyacetonitrile and a process for its production which comprises reacting phosphono formaldehyde, in salt form, with hydrocyanic acid (then, if desired, converting the free phosphonohydroxyacetonitrile to salt thereof. The phosphonohydroxyacetonitrile is useful, for example, as an intermediate for the production of phosphonohydroxyacetic acid, an antiviral agent.
    Type: Grant
    Filed: October 5, 1981
    Date of Patent: January 25, 1983
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hermann Oediger, Folker Lieb, Hans Disselnkotter
  • Patent number: 4348332
    Abstract: The invention relates to phosphonoformaldehyde of the formula ##STR1## Also included in the invention is a method for the manufacture of said phosphonoformaldehyde in which a dialkoxymethane phosphonic acid is warmed with water (then reacted with a base if a salt is desired). Phosphonoformaldehyde is an intermediate for the manufactureof phosphonohydroxy acetic acid, which is an antiviral agent.
    Type: Grant
    Filed: October 5, 1981
    Date of Patent: September 7, 1982
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hermann Oediger, Folker Lieb, Hans Disselnkotter
  • Patent number: 4016282
    Abstract: 6-(.alpha.-3-Acyl-ureidoacetamido)-penicillanic acids and pharmaceutically acceptable non-toxic salts thereof in which the hydrogen atom of the nitrogen atom present in the 3-position is substituted, are effective against Gram-positive and Gram-negative infections, particularly Klebsiella aerobacter infections.
    Type: Grant
    Filed: April 16, 1975
    Date of Patent: April 5, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Bodo Konig, Wilfried Schrock, Hans Disselnkotter, Karl Georg Metzer
  • Patent number: 3980792
    Abstract: 6-(.alpha.-3-Acyl-ureidoacetamido)-penicillanic acids and pharmaceutically acceptable non-toxic salts thereof in which the hydrogen atom of the nitrogen atom present in the 3-position is substituted, are effective against Gram-positive and Gram-negative infections, particularly Klebsiella aerobacter infections.
    Type: Grant
    Filed: April 16, 1975
    Date of Patent: September 14, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Bodo Konig, Wilfried Schrock, Hans Disselnkotter, Karl Georg Metzger
  • Patent number: 3978223
    Abstract: 6-(.alpha.-3-Acyl-ureidoacetamido)-penicillanic acids and pharmaceutically acceptable non-toxic salts thereof in which the hydrogen atom of the nitrogen atom present in the 3-position is substituted, are effective against Gram-positive and Gram-negative infections, particularly Klebsiella aerobacter infections.
    Type: Grant
    Filed: April 16, 1975
    Date of Patent: August 31, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Bodo Konig, Wilfried Schrock, Hans Disselnkotter, Karl Georg Metzer
  • Patent number: 3974140
    Abstract: 6-(.alpha.-3-Acyl-ureidoacetamido)-penicillanic acids and pharmaceutically acceptable non-toxic salts thereof in which the hydrogen atom of the nitrogen atom present in the 3-position is substituted, are effective against Gram-positive and Gram-negative infections, particularly Klebsiella aerobacter infections.
    Type: Grant
    Filed: August 13, 1975
    Date of Patent: August 10, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Bodo Konig, Wilfried Schrock, Hans Disselnkotter, Karl Georg Metzer
  • Patent number: 3959258
    Abstract: 6-(.alpha.-3-Acyl-ureidoacetamido)-penicillanic acids and pharmaceutically acceptable non-toxic salts thereof in which the hydrogen atom of the nitrogen atom present in the 3-position is substituted, are effective against Gram-positive and Gram-negative infections, particularly Klebsiella aerobacter infections.
    Type: Grant
    Filed: December 19, 1973
    Date of Patent: May 25, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Bodo Konig, Wilfried Schrock, Hans Disselnkotter, Karl Georg Metzger
  • Patent number: 3939149
    Abstract: 6-(.alpha.-3-Acyl-ureidoacetamido)-penicillanic acids and pharmaceutically acceptable non-toxic salts thereof in which the hydrogen atom of the nitrogen atom present in the 3-position is substituted, are effective against Gram-positive and Gram-negative infections, particularly Klebsiella aerobacter infections.
    Type: Grant
    Filed: December 19, 1973
    Date of Patent: February 17, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Bodo Konig, Wilfried Schrock, Hans Disselnkotter, Karl Georg Metzger
  • Patent number: 3936442
    Abstract: 6-(.alpha.-3-Acyl-ureidoacetamido)-penicillanic acids and pharmaceutically acceptable non-toxic salts thereof in which the hydrogen atom of the nitrogen atom present in the 3-position is substituted, are effective against Gram-positive and Gram-negative infections, particularly Klebsiella aerobacter infections.
    Type: Grant
    Filed: December 19, 1973
    Date of Patent: February 3, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Bodo Konig, Wilfried Schrock, Hans Disselnkotter, Karl Georg Metzer
  • Patent number: 3933795
    Abstract: 6-(.alpha.-3-Acyl-unreidoacetamido)-penicillanic acids and pharmaceutically acceptable non-toxic salts thereof in which the hydrogen atom of the nitrogen atom present in the 3-position is substituted, are effective against Gram-positive and Gram-negative infections, particularly Klebsiella aerobacter infections.
    Type: Grant
    Filed: December 19, 1973
    Date of Patent: January 20, 1976
    Assignees: Hans-Bodo Konig, Wilfried Schrock, Bayer Aktiengesellschaft
    Inventors: Hans Disselnkotter, Karl Georg Metzger