Patent US3519740A successfully refreshed from Google Patents.
Patent US3098016A successfully refreshed from Google Patents.
US3098016A
Expired / Lapsed
US
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Process for producing sterile vials containing culture media and a carbon dioxide atmosphere
Assignee: Wyeth Holdings LLC
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Filing: 1961-07-26
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Granted: 1963-07-16
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Expires: 1981-07-26
Abstract
No abstract record available.
Inventors
- 👤 Cooper Murray Sam
- 👤 Benedetto Vito Anthony Di
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:26
CPC Classifications
A; A61; A61L; A61L2/00; A61L2/16; A61L2/20; C; C12; C12M; C12M29/00; C12M29/26; C12N; C12N1/00; C12N1/20; A61L2103/00; A61L2103/05; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/842; Y10S435/871
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A PROCESS FOR THE PRODUCTION OF SEALED STERILE VIALS CONTAINING STERILE CULTURE MEDIUM WHICH COMPRISES INCORPORATING IN THE CULTURE MEDIUM IN EACH VIAL AN AMOUNT OF CITRIC ACID WHICH ON REACTION WITH A BICARBONATE WILL PRODUCE A VOLUME OF CARBON DIOXIDE APPROXIMATING 10% OF THE FREE SPACE ABOVE THE CULTURE MEDIUM IN THE VIAL, ADDING A BICARBONATE IN THE FORM OF A DELAYED DISSOLVING TABLET, THE RATE OF DISSOLUTION BEING SUCH THAT THERE IS NEGLIGIBLE CARBON DIOXIDE PRODUCTION FOR FROM 5 TO 10 MINUTES, THE TABLET CONTAINING MATERIALS WHICH, EXCEPT FOR REACTION WITH THE CITRIC ACID, WILL NOT DECOMPOSE AT AUTOCLAVING TEMPERATURES OF 15 POUNDS PER SQUARE INCH, DO NOT RESULT IN THE PRODUCTION OF BACTERIOSTATIC AND BACTERICIDAL PRODUCTS AND PRODUCE AFTER REACTION WITH CITRIC ACID A FINAL PRODUCT HAVING A PH BETWEEN 6.8 AND 7.5, ALL CONSTITUENTS OF THE TABLET AND THEIR REACTION PRODUCTS BEING COMPLETELY SOLUBLE IN WATER, AND CAPPING, SEALING AND STERILIZING THE VIALS.
Claim 2
Dependent Claim
157 words
A PROCESS FOR THE PRODUCTION OF SEALED STERILE VIALS CONTAINING STERILE CULTURE MEDIUM WHICH COMPRISES INCORPORATING IN THE CULTURE MEDIUM IN EACH VIAL AN AMOUNT OF CITRIC ACID WHICH ON REACTION WITH A BICARBONATE WILL PRODUCE A VOLUME OF CARBON DIOXIDE APPROXIMATING 10% OF THE FREE SPACE ABOVE THE CULTURE MEDIUM IN THE VIAL, ADDING A BICARBONATE IN THE FORM OF A DELAYED DISSOLVING TABLET, THE RATE OF DISSOLUTION BEING SUCH THAT THERE IS NEGLIGIBLE CARBON DIOXIDE PRODUCTION FOR FROM 5 TO 10 MINUTES, THE TABLET CONTAINING MATERIALS WHICH, EXCEPT FOR REACTION WITH THE CITRIC ACID, WILL NOT DECOMPOSE AT AUTOCLAVING TEMPERATURES OF 15 POUNDS PER SQUARE INCH, DO NOT RESULT IN THE PRODUCTION OF BACTERIOSTATIC AND BACTERICIDAL PRODUCTS AND PRODUCE AFTER REACTION WITH CITRIC ACID A FINAL PRODUCT HAVING A PH BETWEEN 6.8 AND 7.5, ALL CONSTITUENTS OF THE TABLET AND THEIR REACTION PRODUCTS BEING COMPLETELY SOLUBLE IN WATER, AND CAPPING, SEALING AND STERILIZING THE VIALS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |