Patents by Inventor Berndt O. H. Sjoberg

Berndt O. H. Sjoberg 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: 4956179
    Abstract: An antibacterial synergistic composition consisting essentially of a mixture of a penicillin or cephalosporin derivative of the formula ##STR1## and a penicillin of the formula ##STR2## preferably in association with a pharmaceutical carrier.
    Type: Grant
    Filed: July 2, 1987
    Date of Patent: September 11, 1990
    Assignees: Astra Lakemedel Aktiebolag, Astra Pharmaceutical Products, Inc.
    Inventors: Peter Bamberg, Bertil A. Ekstrom, Ulf E. Forsgren, Berndt O. H. Sjoberg
  • Patent number: 4898731
    Abstract: An antibacterial synergistic composition consisting essentially of a mixture of a penicillin or cephalosporin derivative of the formula ##STR1## and a penicillin of the formula ##STR2## preferably in association with a pharmaceutical carrier.
    Type: Grant
    Filed: June 24, 1985
    Date of Patent: February 6, 1990
    Assignees: Astra Lakemedel Aktiebolag, Astra Pharmaceutical Products, Inc.
    Inventors: Peter Bamberg, Bertil A. Ekstrom, Ulf E. Forsgren, Berndt O. H. Sjoberg
  • Patent number: 4221781
    Abstract: An antibacterial synergistic composition consisting essentially of a mixture of a penicillin or cephalosporin derivative of the formula ##STR1## and a penicillin of the formula ##STR2## preferably in association with a pharmaceutical carrier.
    Type: Grant
    Filed: February 7, 1978
    Date of Patent: September 9, 1980
    Assignee: Astra Lakemedel Aktiebolag
    Inventors: Peter Bamberg, Bertil A. Ekstrom, Ulf E. Forsgren, Berndt O. H. Sjoberg
  • Patent number: 4203972
    Abstract: An antibacterial synergistic composition consisting essentially of a mixture of a penicillin or cephalosporin derivative of the formula ##STR1## and a penicillin of the formula ##STR2## preferably in association with a pharmaceutical carrier.
    Type: Grant
    Filed: March 23, 1978
    Date of Patent: May 20, 1980
    Assignee: Astra Pharmaceutical Products, Inc.
    Inventors: Peter Bamberg, Bertil A. Ekstrom, Ulf E. Forsgren, Berndt O. H. Sjoberg