Patent · US Expired

Process for rendering solids sterile

US4263253A · kind A · utility

18Cited by

1References

6Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Volker Pilz · Cologne, DE
Roland Rupp · Bensberg, DE

Key dates

Filing date	Jul 30, 1979
Grant date	Apr 21, 1981
Priority date	—
Expiry date	Jul 30, 1999

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61L2/022
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

The present invention relates to a process for freeing solids, in particular pharmaceutical active ingredients, from germs by sterile filtration using supercritical gases.

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