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Patent US3510271A successfully refreshed from Google Patents.
US3510271A
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Chromatographic separation employing a gel bed
Assignee: Global Life Sciences Solutions USA LLC
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Filing: 1966-07-28
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Granted: 1970-05-05
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Expires: 1986-07-28
Abstract
No abstract record available.
Inventors
- 👤 Nils Ingvar Arne Emneus
- 👤 Per Gustaf Magnus Flodin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:44
CPC Classifications
B; B01; B01J; B01J20/00; B01J20/281; B01J20/291; G; G01; G01N; G01N30/00; G01N30/02; G01N30/50; G01N30/56; B01J2220/00; B01J2220/50; B01J2220/54; G01N30/60; G01N30/6004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2524414A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |