Patent · US Expired

Process for the preparation of a container closed under sterile conditions and containing lyophilized material

US4060911A · kind A · utility

24Cited by
8References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 7, 1975
Grant dateDec 6, 1977
Priority date
Expiry dateAug 7, 1995

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB67B3/24
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A process for the preparation of a container closed under sterile conditions and containing lyophilized material, which comprises PA1 1. filling the material to be lyophilized into a container, PA1 2. putting a rubber stopper and a closing cap loosely on the container, PA1 3. introducing the container with its contents into a lyophilization apparatus, PA1 4. lyophilizing the contents, PA1 5. within the lyophilization apparatus and in a single operation, pressing the rubber stopper deep into the container, at the same time pressing the closing cap onto the same, and PA1 6. removing the container closed under sterile conditions from the lyophilization apparatus.

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