Patent US3227626A successfully refreshed from Google Patents.
US3227626A
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Plasminogen heat sterilization
Assignee: Merck and Co Inc
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Filing: 1961-09-18
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Granted: 1966-01-04
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Expires: 1981-09-18
Abstract
No abstract record available.
Inventors
- 👤 Baumgarten Werner
- 👤 Mary-Elizabeth S Paulonis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:45
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/14; C12N9/48; C12N9/50; C12N9/64; C12N9/6421; C12N9/6424; C12N9/6435; A; A61; A61K; A61K38/00; A61K38/16; A61K38/43; A61K38/46; A61K38/48; A61L; A61L2/00; A61L2/02; A61L2/04; C12Y; C12Y304/00; C12Y304/21; C12Y304/21007; A61L2103/00; A61L2103/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
THE METHOD OF STERILIZING PLASIMOGEN WHICH COMPRISES HEATING AT 60*C. FOR 10 HOURS AN AQUEOUS PREPARATION HAVING A LYSINE MOLAR CONCENTRATION OF FROM 0.1 TO 0.5, A PLASMINOGEN CONTENT OF FROM 0.25 TO 20 MG. ML., AND A PH OF FROM 5.3 TO 7.5.
Claim 2
Independent Claim
44 words
THE METHOD OF STERILIZING PLASIMOGEN WHICH COMPRISES HEATING AT 60*C. FOR 10 HOURS AN AQUEOUS PREPARATION HAVING A LYSINE MOLAR CONCENTRATION OF FROM 0.1 TO 0.5, A PLASMINOGEN CONTENT OF FROM 0.25 TO 20 MG. ML., AND A PH OF FROM 5.3 TO 7.5.
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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |