Patent · US Expired

Surface modified biocompatible membranes

US5840190A · kind A · utility

44Cited by

12References

14Claims

0Family size

Assignee

NORSK HYDRO ASA · NO

Inventors

Elisabeth Scholander · Uppsala, SE
Andrzej Werynski · Warszawa, PL
Andrzej Jozwiak · Warszawa, PL
Olle Larm · Bromma, SE

Key dates

Filing date	Feb 1, 1996
Grant date	Nov 24, 1998
Priority date	—
Expiry date	Feb 1, 2016

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2323/12
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A surface modified biocompatible membranes used in contact with body fluids or tissue and method of preparing the membrane with functional groups incorporated into the membrane material to covalent bond compounds that infer biocompactibility to the surface.

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