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3M Licenses Dental Ceramic Coloring Technology to Zirkonzahn GmbH; Files Patent Infringement Suit Against Ivoclar Vivadent

3M Licenses Dental Ceramic Coloring Technology to Zirkonzahn GmbH; Files Patent Infringement Suit Against Ivoclar Vivadent

ST. PAUL, Minn. — (Mar. 13, 2012) — 3M announced today that Zirkonzahn GmbH has become the latest dental company to license 3M's patented technology that enables the coloring of zirconia-based dental restorations. This technology improves esthetics for patients by enabling the color matching of dental restorations to the natural color of the patients' teeth. Since 3M's development and launch of this game-changing technology, much of the industry colors dental zirconia using this process.

The license agreement resolves a nearly two-year patent infringement lawsuit between 3M and Zirkonzahn in Düsseldorf, Germany. 3M is open to licensing this technology to other dental manufactures and interested parties.

As the next step in protecting 3M's patented technology, 3M has filed a patent infringement lawsuit in Düsseldorf against Ivoclar Vivadent regarding its non-shaded zirconia CAD/CAM blocks and coloring liquids sold under the IPS e.max ZirCAD brand.

3M is committed to improving oral care through continuous R&D investments. The company's dental division, 3M ESPE, has been recognized as the most innovative dental company for the past seven years by the Anaheim Group. This distinction is awarded based on the number of patent filings, 510k clearances and new product introductions.


About 3M, 3M Health Care and 3M ESPE
3M captures the spark of new ideas and transforms them into thousands of ingenious products. Our culture of creative collaboration inspires a never-ending stream of powerful technologies that make life better. 3M is the innovation company that never stops inventing. 3M ESPE Dental is part of 3M Health Care which offers solutions in the medical, oral care, drug delivery, food safety and health information markets. 3M ESPE markets more than 2,000 dental products and services. 3M ESPE products are designed to help make dentistry easier, faster and better for dental professionals and their patients. For more information on 3M ESPE, visit www.3MESPE.com. To learn more about 3M, visit www.3M.com or follow @3MNews on Twitter.

3M and ESPE are trademarks of 3M or 3M Deutschland GmbH. Used under license in Canada. © 3M 2012. All rights reserved.



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