Thomas Hille, Lothar Deurer, Hans Rainer Hoffmann: Transdermal therapeutic system comprising as active component buprenorphine. LTS Lohmann Therapie Systeme & Co KG, Sprung Horn Kramer & Woods, August 31, 1993: US05240711 (78 worldwide citation)

The controlled release of buprenorphine or the pharmaceutically acceptable salts thereof to the skin over a period of time of at least 24 hours is ensured by a transdermal therapeutic system consisting of a backing layer which is impermeable to the active substance, a pressure-sensitive adhesive res ...

Hans Rainer Hoffmann, Robert P Klein, Reinhold Meconi, Gunter Cordes, Hans M Wolff: Estrogen-containing active substance plaster. LTS Lohmann Therapie Systeme & Co KG, Schwarz Pharma, Sprung Horn Kramer & Woods, February 28, 1995: US05393529 (61 worldwide citation)

The present invention relates to active substance plasters for the controlled release of active substances to the skin consisting of a backing layer, an adhesive film connected therewith which film is water-soluble and consists of pressure-sensitive adhesive which comprises water-swellable polymers ...

Hans Rainer Hoffmann, Michael Roreger: Hydrophilic pressure sensitive hot-melt adhesives. LTS Lohmann Therapie Systeme, Wenderoth Lind & Ponack L, February 20, 2001: US06190689 (35 worldwide citation)

A device for the release of substances from pressure sensitive hot-melt adhesives with a uniform or non-uniform distribution of said substances is characterized by the fact that the pressure sensitive hot-melt adhesive is hydrophilic and comprises at least one water-soluble, or at least water-swella ...

Halvor Jaeger, Hans Rainer Hoffmann, Reinhold Meconi, Robert Peter Klein: Apparatus for the delivery of substances, processes for the production thereof and use thereof. LTS Lohmann Therapie Systeme & Co KG, Kalish & Gilster, December 28, 1993: US05273757 (29 worldwide citation)

The invention relates to an apparatus for the release or delivery of substances from hot melt contact adhesives with uniform or irregular distribution of the substances, the hot melt contact adhesive having a processing temperature between 40.degree. and 80.degree. C., preferably between 40.degree. ...

Thomas Kissel, Henriette Schrank, Hans Rainer Hoffmann: Pharmaceutical compositions. Sandoz, Robert S Honor, Melvyn M Kassenoff, John L Chiatalas, January 14, 1997: US05593686 (27 worldwide citation)

The present invention provides a pharmaceutical composition for the transdermal systemic administration of an active agent characterized in that the active agent is bopindolol or methysergide. Also the present invention provides a pharmaceutical composition for the transdermal systemic administratio ...

Peter Barth, Hans Rainer Hoffmann, Walter Muller, Heinrich Kindel: Primary packaging for surface-stabilized surgical dressing. LTS Lohmann Therapie Systeme & Co KG, Kalish & Gilster, May 9, 1995: US05413567 (23 worldwide citation)

The invention relates to a primary pack for surface-stabilized bandaging materials having a carrier layer and a skin-side contact surface having pressure sensitive adhesive areas and which prior to the use of the bandaging material is protected by a removable covering layer, and an at least one-laye ...


Rainer Hoffmann, Gunter Hanisch: Process and apparatus for cleaning styrene-polluted spent air. Antonelli Terry & Wands, March 29, 1988: US04734111 (21 worldwide citation)

A process for cleaning in particular styrene-polluted spent air by filtering out styrene and an apparatus for performing this process are described. The filter used is a biofilter of tree bark, particularly spruce bark. The filter is in the form of a bed of particles with a particle diameter of 0.5 ...