The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 21, 2014
Filed:
Oct. 01, 2009
Gallus Schechner, Seefeld, DE;
Michael Jahns, Gilching, DE;
Martin Goetzinger, Eching am Ammersee, DE;
Gallus Schechner, Seefeld, DE;
Michael Jahns, Gilching, DE;
Martin Goetzinger, Eching am Ammersee, DE;
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
The invention relates to a process for producing a dental appliance, the process comprising the steps of a) providing a mixture of a liquid, an inorganic binder precursor being able to undergo a sol/gel reaction and a glass or glass ceramic powder, b) casting the mixture into a mold, c) drying the cast mixture in the mold to obtain a machinable dental appliance, d) optionally machining the dental appliance to obtain a dental workpiece, e) optionally removing the dental appliance or dental workpiece from the mold, f) optionally sintering the dental appliance or dental workpiece and to a dental appliance obtainable by such a process.