Patent · US Expired

Sample bag

US6578440B2 · kind B2 · utility

8Cited by
9References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 20, 2002
Grant dateJun 17, 2003
Priority date
Expiry dateJun 20, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2001/2264
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A sample bag for collecting a mixture of gasses for analysis is made of a modified polymer consisting essentially of tetrafluoroethylene (TFE) and at most about 2.0 percent perfluoropropylvinylether (PPVE).

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