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.

Date of Patent:
Jul. 21, 2020

Filed:

Jun. 29, 2017
Applicant:

Coltène/whaledent Ag, Altstätten, CH;

Inventors:

Ralf Kollefrath, Ruethi, CH;

Ulrich Müller, Au, CH;

Martin Schlüter, Wangen i.A, DE;

Assignee:

COLTÈNE/WHALEDENT AG, Altstaetten, CH;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61C 3/02 (2006.01); A61C 3/06 (2006.01); C25D 21/12 (2006.01); C25D 21/18 (2006.01); C22C 19/03 (2006.01);
U.S. Cl.
CPC ...
A61C 3/02 (2013.01); A61C 3/06 (2013.01); C25D 21/12 (2013.01); C25D 21/18 (2013.01); C22C 19/03 (2013.01);
Abstract

A dental instrument comprising a shaft and a working part adjoined thereto, with the working part having a coating in which abrasive bodies are embedded, is proposed, Firstly, the average proportion of the surface of the abrasive bodies which is covered by the coating can be at least 60%, preferably at least 65%, most preferably at least 70%. Secondly, the coating can, moreover, also consist of a nickel ahoy which additionally contains at least one element selected from the group consisting of titanium, vanadium, niobium, chromium, molybdenum, tungsten, manganese, iron and cobalt. In addition, a process for coating a working part, in particular for producing a dental instrument of this type, and also the use of such a dental instrument for cutting machining of solid bodies are proposed.


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