← Back to Patent Explorer
US3016284A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for introducing sterile material in apparatus having controlled atmosphere

Assignee: University of Notre Dame
•
Filing: 1957-09-11
•
Granted: 1962-01-09
•
Expires: 1977-09-11
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Philip C Trexler

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 04:44
CPC Classifications
A; A61; A61L; A61L2/00; A61L2/02; A61L2/04; A61L2/06; Y; Y10; Y10S; Y10S383/00; Y10S383/904

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 162 words
THE METHOD OF INTRODUCING MATERIAL THROUGH A SEALABLE STERILIZING LOCK INTO AN APPARATUS HAVING A SELECTED ALMOSPHERE, COMPRISING PACKAGING SAID MATERIAL IN AN ENVELOPE FORMED OF FLUID-IMPERVIOUS SYNTHETIC RESIN FLEXIBLE FILM MATERIAL CAPABLE OF BEING HEAT SEALED, SAID ENVELOPE HAVING AN OPEN ENDED REDUCED NECK COMMUNICATING THEREWITH CONTAINING A FILLER OF POROUS MATERIAL, EVACUATING AIR FROM SAID ENVELOPE THROUGH SAID NECK AND FILLER, INTRODUCING STEAM INTO SAID ENVELOPE TRAANSVERSELY OF SAID AND FILLER TO STERILIZE THE INTERIOR OF SAID ENVELOPE AND ITS CONTENTS, HEAT-SEALING SAID ENVELOPE TRAANSVERSELY OF SAID NECK BETWEEN SAID FILLER AND THE BODY OF SAID ENVELOPE TO SEAL SAID NECK WHILE SAID ENVELOPE AND ITS CONTENTS ARE PROTECTED FROM AIR-BORNE ORGANISMS BY THE SAID FILLER, INSERTING SAID SEALED ENVELOPE IN SAID LOCK AND EXTERIORLY STERILIZING THE ENVELOPE IN SAID LOCK WHILE SEALED, OPENING SAID LOCK INTO COMMUNICATION WITH SAID APPARATUS WITHOUT ALTERING SAID SELECTED ATMOSPHERE TO INSERT SAID ENVELOPE IN SAID APPARATUS, AND OPENING SAID ENVELOPE WITHIN SAID APPARATUS.
Claim 2
Independent Claim 162 words
THE METHOD OF INTRODUCING MATERIAL THROUGH A SEALABLE STERILIZING LOCK INTO AN APPARATUS HAVING A SELECTED ALMOSPHERE, COMPRISING PACKAGING SAID MATERIAL IN AN ENVELOPE FORMED OF FLUID-IMPERVIOUS SYNTHETIC RESIN FLEXIBLE FILM MATERIAL CAPABLE OF BEING HEAT SEALED, SAID ENVELOPE HAVING AN OPEN ENDED REDUCED NECK COMMUNICATING THEREWITH CONTAINING A FILLER OF POROUS MATERIAL, EVACUATING AIR FROM SAID ENVELOPE THROUGH SAID NECK AND FILLER, INTRODUCING STEAM INTO SAID ENVELOPE TRAANSVERSELY OF SAID AND FILLER TO STERILIZE THE INTERIOR OF SAID ENVELOPE AND ITS CONTENTS, HEAT-SEALING SAID ENVELOPE TRAANSVERSELY OF SAID NECK BETWEEN SAID FILLER AND THE BODY OF SAID ENVELOPE TO SEAL SAID NECK WHILE SAID ENVELOPE AND ITS CONTENTS ARE PROTECTED FROM AIR-BORNE ORGANISMS BY THE SAID FILLER, INSERTING SAID SEALED ENVELOPE IN SAID LOCK AND EXTERIORLY STERILIZING THE ENVELOPE IN SAID LOCK WHILE SEALED, OPENING SAID LOCK INTO COMMUNICATION WITH SAID APPARATUS WITHOUT ALTERING SAID SELECTED ATMOSPHERE TO INSERT SAID ENVELOPE IN SAID APPARATUS, AND OPENING SAID ENVELOPE WITHIN SAID APPARATUS.

References Cited (Backward Citations)

US2349661A Cited
US1889629A Cited
US2645557A Cited
US2701229A Cited
US2783599A Cited
US2770235A Cited
US2800269A Cited
US2853069A Cited
US2893547A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-01-08 1965-07-10 1966-01-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-01-08 1969-07-10 1970-01-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-01-08 1973-07-10 1974-01-09 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag