Issued Patents All Time
Showing 1–25 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10161043 | Fine interference pigments containing glass layers on metal, glass and ceramic surfaces and method for production thereof | Helmut Schmidt | 2018-12-25 |
| 9399206 | Process for producing encapsulated metal colloids as inorganic coloured pigments | Claudia Fink-Straube, Kira Fries, Dieter Anschutz, Sarah Schumacher, Peter William de Oliveira +3 more | 2016-07-26 |
| 9169565 | Metallic substrates comprising a deformable glass-type coating | Klaus Endres, Helmut Schmidt | 2015-10-27 |
| 8277905 | Method for producing defect-free light guiding elements of great widths, production device and diffractive light guiding element | Peter W. Oliveira | 2012-10-02 |
| 8198018 | Optical component made of an inorganic-organic hybrid material for the production of refractive index gradient layers with high lateral resolution and method for the production thereof | Peter W. Oliveira | 2012-06-12 |
| 8133579 | Ultra-hard composite layers on metal surfaces and method for producing the same | Helmut Schmidt | 2012-03-13 |
| 8133573 | Scratch-resistant optical multi-layer system applied to a crystalline substrate | Mohammad Jilavi, Peter W. Oliveira, Helmut Schmidt | 2012-03-13 |
| 8119221 | Composition having a non-Newtonian behavior | Peter W. Oliveira, Helmut Schmidt | 2012-02-21 |
| 8034435 | Plastic film with a multilayered interference coating | Andreas Zimmermann, Fumio Kita, Anette Berni, Peter W. Oliveira, Helmut Schmidt +1 more | 2011-10-11 |
| 7993799 | Optical components made from photosensitive inorganic/organic hybrid materials | Peter W. Oliveira | 2011-08-09 |
| 7473721 | Nanocomposite material for the production of index of refraction gradient films | Takamasa Harada, Fumio Kita, Andreas Zimmermann, Ulrike Dellwo, Peter W. Oliveira +2 more | 2009-01-06 |
| 7473521 | Composite mask for producing a diffuser | Takamasa Harada, Fumio Kita, Andreas Zimmermann, Andreas Altherr, Peter W. Oliveira +1 more | 2009-01-06 |
| 7431858 | Nanoimprint resist | Walter Spiess, Fumio Kita, Michael Meier, Andreas Gier, Peter W. Oliveira +1 more | 2008-10-07 |
| 7390532 | Method for the production of optical elements with gradient structures | Ulrike Dellwo, Peter W. Oliveira, Helmut Schmidt, Heike Schneider | 2008-06-24 |
| 7371830 | Method for separating biological material from a fluid using magnetic particles | Jorg Kleiber, Thomas Walter, Herbert Harttig, Christop Lesniak, Michael Riedling +1 more | 2008-05-13 |
| 6919444 | Magnetic particles for purifying nucleic acids | Herbert Harttig, Michael Riedling, Helmut Schmidt | 2005-07-19 |
| 6870047 | Magnetic pigment | Jorg Kleiber, Thomas Walter, Herbert Harttig, Christoph Lesniak, Michael Riedling +1 more | 2005-03-22 |
| 6863923 | Method and compositions for printing substrates | Axel Kalleder, Rainer Kreutzer, Helmut Schmidt | 2005-03-08 |
| 6855396 | Substrate comprising an abrasion-resistant diffusion barrier layer system | Peter W. Oliveira, Helmut Schmidt | 2005-02-15 |
| 6855371 | Method for producing a microstructured surface relief by embossing thixotropic layers | Andreas Gier, Nora Kunze, Peter W. Oliveira, Stefan Sepeur, Bruno Schaefer +1 more | 2005-02-15 |
| 6790532 | Coating composition, based on organically modified inorganic condensates | Andreas Gier, Helmut Schmidt | 2004-09-14 |
| 6706552 | Method for making interactive information devices with spacer elements | Catherine A. Getz | 2004-03-16 |
| 6649266 | Substrates provided with a microstructured surface, methods for the production thereof, and their use | Frank Gross, Peter W. Oliveira, Helmut Schmidt, Stefan Sepeur | 2003-11-18 |
| 6639039 | Photochromic coating composition comprising nanoscales particles and process for providing substrate coated with the same | Kira Fries, Lisong Hou, Marion Pietsch, Helmut Schmidt | 2003-10-28 |
| 6627918 | Spacer elements for interactive information devices and method for making same | Catherine A. Getz | 2003-09-30 |