Patents by Inventor Hans-Rainer Hoffman

Hans-Rainer Hoffman 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).

  • Publication number: 20190328680
    Abstract: The present invention provides transdermal therapeutic systems for dispensing a pharmaceutical product, in particular a pharmaceutical product with a low tendency to spontaneously crystallize. The matrix layer or at least one of the matrix layers in said systems contains a silicone hot-melt adhesive, a pharmaceutical product, and particles made of crosslinked polyvinylpyrrolidone. The invention also relates to a method for producing said transdermal therapeutic systems.
    Type: Application
    Filed: July 8, 2019
    Publication date: October 31, 2019
    Applicant: LTS Lohmann Therapie Systeme AG
    Inventors: Horst Dzekan, Hans-Rainer Hoffman, Michael Horstmann, Walter Müller, Sandra Wiedersberg
  • Patent number: 5415903
    Abstract: The invention relates to a self-adhesive laminate, shapeable to toe and fingernails, containinga) a film-forming polymer layer containing at least one plasticizer,b) a pressure-sensitive adhesive layer located thereon, andc) a carrier film which covers the pressure-sensitive adhesive layer and can be removed again, wherein the film-forming layer a) is also covered on the other side, at least over the entire surface, withd) a protective layer, which is likewise removable and is resistant to the other constituents of the laminate and the materials used in the preparation of the laminate.The invention also relates to a process for the preparation of such a laminate and to its use for application to toenails or fingernails as synthetic nails.
    Type: Grant
    Filed: February 7, 1994
    Date of Patent: May 16, 1995
    Assignee: LTS Lohmann Therapie-Systeme GmbH & Co. KG
    Inventors: Hans-Rainer Hoffman, Reinhard von Kleinsorgen, Guenter Simon, Dorothea Steinborn