Patent · US Expired

Device for determining the end of the processing time for hardening masses

US6854349B2 · kind B2 · utility

12Cited by

16References

22Claims

0Family size

Assignee

3M ESPE AG · DE

Inventors

Gerd Brandhorst · Landsberg, DE
Hermann Nirschl · Hanerau-Hademarschen, DE
Mark Peuker · Herrsching am Ammersee, DE
Ingo Wagner · Herrsching am Ammersee, DE

Key dates

Filing date	Oct 11, 2001
Grant date	Feb 15, 2005
Priority date	—
Expiry date	Oct 11, 2021

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB05C17/00553
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A device is provided which determines the end of the processsing time for hardening masses, in particular dental molding masses. The device comprises a display unit and a sensor unit which record the change in at least one of the rheological properties of the mass. A method that can be used with such a device is described.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.