Patents by Inventor Juergen Heberger

Juergen Heberger 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).

  • Preparation of colloidal aqueous solutions of active substances of low solubility
    Patent number: 5626864
    Abstract: A process with whose aid active substances of low solubility can be processed together with phospholipids to give a homogeneous solution, which comprisesa) mixing the active substance with a phospholipid,b) adding an acidic aqueous solution of a carbohydrate to the residue at elevated temperature, and stirring this mixture at elevated temperature until a homogeneous colloidal solution is produced, andc) cooling the solution, and adjusting to a pH of 4-5 and sterilizing is described.
    Type: Grant
    Filed: August 2, 1995
    Date of Patent: May 6, 1997
    Assignee: Knoll Aktiengesellscahft
    Inventors: Joerg Rosenberg, Cynthia Romerdahl, Juergen Heberger
  • Process for producing solid active substance forms and products thereof
    Patent number: 5354561
    Abstract: A process is described for the production of solid forms of active substances, which forms have good redispersibility in aqueous systems, which comprises mixing PEG and dextran with water and--if phase separation occurs--removing the upper phase, dissolving an active substance in the mixture, where appropriate adding a physiologically tolerated amphiphile, and subsequently removing the water.
    Type: Grant
    Filed: August 19, 1992
    Date of Patent: October 11, 1994
    Assignee: Knoll AG
    Inventors: Joerg Rosenberg, Juergen Heberger
  • Hydroxypropafenone glycerides
    Patent number: 4958046
    Abstract: Hydroxypropafenone glycerides of the formula I ##STR1## where R is n-propyl or 1,1-dimethylpropyl,x is 2 or 3,y is 12, 14, 16, 18 or 20, anda and b differ from one another and are 0 or 1,as well as the stereoisomers thereof and the preparation thereof are described. The compounds are suitable as active substances for antiarrhythmics.
    Type: Grant
    Filed: September 19, 1989
    Date of Patent: September 18, 1990
    Assignee: Knoll AG
    Inventors: Joerg Rosenberg, Juergen Heberger, Hans-Heinrich Gruenhagen, Egon Brode, Gerda von Philipsborn