Patents by Inventor Torsten Perklev

Torsten Perklev 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).

  • Novel compounds, compositions containing such compounds, processes for their preparation and methods of treatment
    Patent number: 4055638
    Abstract: This invention relates to novel secondary phosphoric acid esters and salts thereof, having valuable pharmacological properties, and to the preparation thereof. The invention is also concerned with pharmaceutical compositions containing the said compounds, and methods of treatment therewith.The esters are i.a. useful as selective inhibitors of prostaglandins and of Slow Reacting Substances (SRS). They also inhibit the formation of adenosine 3',5'-monophosphate (cyclic AMP).In addition the esters of this invention also exert intrinsic smooth muscle stimulatory activity.
    Type: Grant
    Filed: July 23, 1976
    Date of Patent: October 25, 1977
    Assignee: Aktiebolaget Leo
    Inventors: Bertil Hogberg, Hans Fex, Torsten Perklev, Sten Veige, Bo Fredholm
  • Method, composition and compounds for treating excess prostaglandins
    Patent number: 4049799
    Abstract: This invention relates to novel secondary phosphoric acid esters and salts thereof, having valuable pharmacological properties, and to the preparation thereof. The invention is also concerned with pharmaceutical compositions containing the said compounds, and methods of treatment therewith.The esters are i.a. useful as selective inhibitors of prostaglandins and of Slow Reacting Substances (SRS). They also inhibit the formation of adenosine 3',5'-monophosphate (cyclic AMP).In addition the esters of this invention also exert intrinsic smooth muscle stimulatory activity.
    Type: Grant
    Filed: August 20, 1976
    Date of Patent: September 20, 1977
    Assignee: Aktiebolaget Leo
    Inventors: Bertil Hogberg, Hans Fex, Torsten Perklev, Sten Veige, Bo Fredholm
  • Method, composition and compounds for treating excess prostaglandins
    Patent number: 4049800
    Abstract: This invention relates to novel secondary phosphoric acid esters and salts thereof, having valuable pharmacological properties, and to the preparation thereof. The invention is also concerned with pharmaceutical compositions containing the said compounds, and methods of treatment therewith.The esters are i.a. useful as selective inhibitors of prostaglandins and of Slow Reacting Substances (SRS). They also inhibit the formation of adenosine 3',5'-monophosphate (cyclic AMP).In addition the esters of this invention also exert intrinsic smooth muscle stimulatory activity.
    Type: Grant
    Filed: August 20, 1976
    Date of Patent: September 20, 1977
    Assignee: Aktiebolaget Leo
    Inventors: Bertil Hogberg, Hans Fex, Torsten Perklev, Sten Veige, Bo Fredholm
  • Secondary phosphoric acid esters, composition and method of use
    Patent number: 3995033
    Abstract: This invention relates to novel secondary phosphoric acid esters and salts thereof, having valuable pharmacological properties, and to the preparation thereof. The invention is also concerned with pharmaceutical compositions containing the said compounds, and methods of treatment therewith.The esters are i.a. useful as selective inhibitors of prostaglandins and of Slow Reacting Substances (SRS). They also inhibit the formation of adenosine 3',5'-monophosphate (cyclic AMP).In addition the esters of this invention also exert intrinsic smooth muscle stimulatory activity.
    Type: Grant
    Filed: October 31, 1974
    Date of Patent: November 30, 1976
    Assignee: Aktiebolaget Leo
    Inventors: Bertil Hogberg, Hans Fex, Torsten Perklev, Sten Veige, Bo Fredholm
  • Secondary phosphoric acid esters
    Patent number: 3989825
    Abstract: This invention relates to novel secondary phosphoric acid esters and salts thereof, having valuable pharmacological properties, and to the preparation thereof. The invention is also concerned with pharmaceutical compositions containing the said compounds, and methods of treatment therewith.The esters are i.a. useful as selective inhibitors of prostaglandins and of Slow Reacting Substances (SRS). They also inhibit the formation of adenosine 3' ,5'-monophosphate (cyclic AMP).In addition the esters of this invention also exert intrinsic smooth muscle stimulatory activity.
    Type: Grant
    Filed: August 14, 1972
    Date of Patent: November 2, 1976
    Assignee: Aktiebolaget Leo
    Inventors: Bertil Hogberg, Hans Fex, Torsten Perklev, Sten Veige, Bo Fredholm