Patent · US Expired

Composite cellulose nitrate membrane on polyester support

US5628960A · kind A · utility

2Cited by

3References

6Claims

0Family size

Assignee

Sartorius AG · DE

Inventors

Hans Beer · Salzhemmendorf, DE
Klaus Froese · Hardegsen, DE

Key dates

Filing date	Sep 13, 1995
Grant date	May 13, 1997
Priority date	—
Expiry date	Sep 13, 2015

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB32B2367/00
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

There is disclosed a composite isotropic cellulose nitrate membrane on a polyester support and a method of making the same, the membrane having particular utility as various types of reagent-containing test strips for use in analytical chemistry and medicinal diagnostics.

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