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:
Dec. 30, 2003
Filed:
Feb. 06, 2002
Applicant:
Inventors:
Armin Burgath, Bodman-Ludwigshafen, DE;
Peter Burtscher, Nütziders, AT;
Ulrich Salz, Lindau, DE;
Volker Rheinberger, Vaduz, LI;
Assignee:
Ivoclar Vivadent AG, , LI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/00 ;
U.S. Cl.
CPC ...
C08F 2/00 ;
Abstract
The invention relates to dental materials which contain a thermochromic dye and which display a reversible change of colour in the event of changes in temperature, so that they can be distinguished from the natural dentin.