Patent · US Expired

Impression compound with a silicon base and wax admixture

US6040354A · kind A · utility

10Cited by

10References

44Claims

0Family size

Assignee

Ernst Muehlbauer GmbH & Co. KG · DE

Inventors

Heijo Hubner · Herrsching am Ammersee, DE
Dierk Lubbers · Halstenbek, DE
Wolfgang Mühlbauer · Hamburg, DE

Key dates

Filing date	Aug 21, 1997
Grant date	Mar 21, 2000
Priority date	—
Expiry date	Aug 21, 2017

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S524/906
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

An impression composition which is based on an aziridine-free composition which can be vulcanized at room temperature, and which comprises wax is provided according to the invention. The wax increases the dimensional stability of the composition during mixing and curing. The invention furthermore provides a kit for the preparation of such compositions and a process for the preparation of the wax-containing components of these kits. The wax is dispersed throughout the composition and is prepared by shock-cooling. The wax forms a crystalline network.

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