Patent · US Expired

Dental materials packaging and method of use

US6372816B1 · kind B1 · utility

9Cited by

88References

37Claims

0Family size

Assignee

DENTSPLY DETREY GMBH · DE

Inventors

Uwe Walz · Konstanz, DE
Kai Pflug · Konstanz, DE
Ralf Wilner · Dienhausen, DE
Markus Evers · Konstanz, DE

Key dates

Filing date	Feb 4, 2000
Grant date	Apr 16, 2002
Priority date	—
Expiry date	Feb 4, 2020

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02W30/80
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

The invention provides a storage stable dental composition comprising a volatile organic solvent and a polymerizable material enclosed by a package, which includes a closure, such as a cover or plug and a container made of a copolymer of a cycloolefin and an open chain olefin. In accordance with an embodiment of the invention is provided a stored packaged dental product by the process including: enclosing a dental composition in a package with at least a substantial portion of an injection molded thermoplastic copolymer of a cycloolefin and an open chain olefin, and storing the dental composition in the package for at least 1 week.

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