Patent · US Expired

Macroporous, hydrophilic enzyme carrier

US4551482A · kind A · utility

26Cited by

6References

5Claims

0Family size

Assignee

BASF SE

Inventors

Chung-Ji Tschang · Bad Dürkheim, DE
Stefan Marcinowski · Ludwigshafen, DE

Key dates

Filing date	Jun 23, 1983
Grant date	Nov 5, 1985
Priority date	—
Expiry date	Jun 23, 2003

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2479/00
WIPO fieldBiotechnology
WIPO sectorChemistry

Abstract

A macroporous, hydrophilic enzyme carrier comprises a sulfonated polymer, charged with polyethyleneimine, of from 10 to 100% by weight of divinylbenzene, from 0 to 90% by weight of styrene and from 0 to 20% by weight of a copolymerizable monomer, the polyethyleneimine being neither crosslinked nor covalently bonded to the polymer.

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