Patents by Inventor Hans-Ulrich Petereit

Hans-Ulrich Petereit 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: 5292522
    Abstract: A water insoluble lipophilic emulsifier having a hydrophile-lipophile balance (HLB) of 3.5 to 7, added to an aqueous dispersion containing a polymer comprising acrylic acid, methacrylic acid, their alkyl esters, and/or their alkylaminoalkyl esters, acts as a lubricant and parting agent when the resulting mixture is used for coating pharmaceutical dosage forms and prevents the pharmaceutical dosage forms being coated from sticking to one another and to the walls of the coating apparatus used.
    Type: Grant
    Filed: December 28, 1992
    Date of Patent: March 8, 1994
    Assignee: Rohm GmbH
    Inventors: Hans-Ulrich Petereit, Manfred Assmus, Klaus Lehmann
  • Patent number: 5133970
    Abstract: A water-soluble salt of a copolymer containing a monoethylenically unsaturated monomer containing amino groups that can be radically polymerized and at least one alkyl ester of acrylic and/or methacrylic acid, is used as a flexible pressure-sensitive adhesive for application to the skin.
    Type: Grant
    Filed: July 11, 1990
    Date of Patent: July 28, 1992
    Assignee: Rohm GmbH Chemische Fabrik
    Inventors: Hans-Ulrich Petereit, Erna Roth
  • Patent number: 4904469
    Abstract: The invention relates to a wound covering made from a polysaccharide base, particularly cellulose, which is formed as a fabric, which has a high absorbency due to its sponge-like structure and contains non-immobilized enzymes for wound therapy.
    Type: Grant
    Filed: February 5, 1987
    Date of Patent: February 27, 1990
    Assignee: Rohm GmbH Chemische Fabrik
    Inventors: Hans-Ulrich Petereit, Gerhard Zeiss
  • Patent number: 4826677
    Abstract: The invention relates to pharmaceutical materials for local and non-irritating therapy for psoriasis, containing antipsoriatic ingredients. The pharmaceutical material is a liquid preparation of film-forming polymers and antipsoriatic ingredients, with which the psoriasis affected skin area can be covered and treated in situ with a medicated film or foil formed at the treatment site. Dithranol and/or glucocorticoid in combination with keratolytically acting urea are preferred for use as antipsoriatic ingredients.
    Type: Grant
    Filed: April 2, 1987
    Date of Patent: May 2, 1989
    Assignee: Rohm Pharma GmbH
    Inventors: Josef Mueller, Hans-Ulrich Petereit