Patent · US Expired

Extraction of cell-bound protein from bordetella

US6106842A · kind A · utility

2Cited by

7References

19Claims

0Family size

Assignee

SmithKline Beecham Biologicals S.A. · BE

Inventors

Carine Capiau · Rixensart, BE
Martin Comberbach · Genval, BE
Piet Roelants · Watermael-Boitsfort - Watermaal-Bosvoorde, BE
Jean Petre · Wavre, BE

Key dates

Filing date	Aug 29, 1995
Grant date	Aug 22, 2000
Priority date	—
Expiry date	Aug 29, 2015

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S530/825
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The present invention discloses a process for extracting a cell-bound protein of bacterial origin, useful in acellular vaccines, comprising contacting a suspension of the cell-bound protein with a flocculating agent prior to heat treatment.

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