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:
Sep. 24, 2013
Filed:
Jul. 09, 2008
Applicant:
Harald Kerschbaumer, Klaus, AT;
Inventor:
Harald Kerschbaumer, Klaus, AT;
Assignee:
Ivoclar Vivadent AG, Schaan, LI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61C 19/10 (2006.01); G01J 3/50 (2006.01);
U.S. Cl.
CPC ...
A61C 19/10 (2013.01); G01J 3/508 (2013.01);
Abstract
The invention relates to a method () for producing color elements of a shade guide. To this end, color values of known color elements () of shade guides () with similar lightness values, hues and chromata are initially ascertained. In another method step, the color values of each new color element are determined while increasing a color distance () between the lightness values, hues and chromata of the previously ascertained color values.