ST. PAUL, Minn.--(BUSINESS WIRE)--Mar. 25, 2015--
3M Co. and 3M Innovative Properties Co. filed a patent infringement
lawsuit in federal district court in Minnesota today against Danville
Materials Inc. The suit alleges that Danville’s sales of ZNanoTM
universal nanocomposite materials infringe 3M’s patent rights directed
to nanofiller technology used in 3MTM ESPETM FiltekTM
Supreme universal restoratives.
3M’s patented nanofiller technology enables high aesthetic quality,
strength and wear resistance. FiltekTM Supreme Universal
Restorative was the first nanotechnology-based dental composite
utilizing engineered nanoparticles that result in unsurpassed polish
retention, excellent strength, and wear resistance. Over 400 million
restorations have been performed globally using the Filtek Supreme
product line and it is the number one selling dental nanocomposite in
3M’s dental division, 3M ESPE, has been recognized as the most
innovative dental company for the past ten years by the Anaheim Group.
“3M ESPE is committed to protecting its innovative nanofiller technology
and associated intellectual property,” said James D. Ingebrand, vice
president, 3M ESPE.
At 3M, we collaborate and apply science in powerful ways to improve
lives daily. With $32 billion in sales, our 90,000 employees connect
with and serve customers all around the world. Learn about 3M's creative
solutions to the world's problems at www.3M.com
or follow @3MNewsroom on Twitter.
3M and ESPE are trademarks of 3M or 3M Deutschland GmbH.
Lori Anderson, 651-733-0831