Patents by Inventor Markku Peralampi

Markku Peralampi 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).

  • Process for making pure S-timolol hemihydrate
    Patent number: 5354860
    Abstract: A process for preparing S-(-)-3-morpholino-4-(3-tert-butylamino-2-hydroxypropoxy)-1,2,5-thiadiazol e hemihydrate, i.e. S-timolol hemihydrate, wherein the compound is crystallized in optically pure form as the hemihydrate from a mixture containing an organic solvent, water and S-timolol base. This process can be used in the purification of S-timolol, especially for the removal of the corresponding R-enantiomer.
    Type: Grant
    Filed: July 8, 1992
    Date of Patent: October 11, 1994
    Inventor: Markku Peralampi
  • S-timolol hemihydrate
    Patent number: 5231095
    Abstract: A novel compound and compositions containing S-(-)-3-morpholino-4-(3-tert-butylamino-2-hydroxypropoxy)-1,2,5 thiadiazole hemihydrate useful for administration to a patient particularly for topical administration as a pharmaceutical agent for treating known conditions and disorders treatable with timolol.
    Type: Grant
    Filed: April 19, 1991
    Date of Patent: July 27, 1993
    Assignee: Leiras Oy
    Inventor: Markku Peralampi