Patent · US Expired

Single piece closure device made of PVC

US7337913B2 · kind B2 · utility

3Cited by

9References

18Claims

0Family size

Assignee

BASF SE

Inventors

Boris Breitscheidel · Fulda, DE
Gerhard Olbert · Dossenheim, DE
Klaus Rossato · Schifferstadt, DE
Uwe Storzum · League City, US

Key dates

Filing date	Jan 29, 2003
Grant date	Mar 4, 2008
Priority date	—
Expiry date	Jan 29, 2023

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31935
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to one-part closure devices encompassing at least polyvinyl chloride and at least one plasticizer, in particular at least one substituted or unsubstituted cyclohexanedicarboxylic acid or a derivative thereof, to a process for producing a closure device of this type, and also to the use of a closure device of the invention as a closure for containers, in particular for wine bottles or other bottles.

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