Patent US3384564A successfully refreshed from Google Patents.
US3384564A
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US
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Electrophoretic process for simultaneously spearating and concentrating particles
Assignee: CALIFORNIA IMMUNO DIAGNOSTICS Inc
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Filing: 1962-11-21
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Granted: 1968-05-21
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Expires: 1982-11-21
Abstract
No abstract record available.
Inventors
- 👤 Ornstein Leonard
- 👤 Plains White
- 👤 Baruch J Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:29
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/447; G01N27/44704; G01N27/44747; G01N27/44756
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
AN ELECTROPHORETIC PROCESS FOR SIMULTANEOUSLY SEPARATING AND CONCENTRATING VARIOUS COMPONENTS OF A MIXTURE OF LIKE SIGN-CHARGED PARTICLES COMPRISING PLACING SAID MIXTURE IN AN ANTICONVECTION MEDIUM, APPLYING A POTENTIAL ACROSS SAID MEDIUM, PROVIDING BEHIND SAID PARTICLES A WEAK BUFFER ION CARRYING SAID LIKE SIGN, PROVIDING A SECOND ION CARRYING SAID LIKE SIGN WITH SAID MEDIUM, AND PROVIDING A PH ENVIRONMENT WITHIN SAID MEDIUM WHEREBY SAID BUFFER ION WILL REMAIN BEHIND THE SLOWEST OF SAID COMPONENT PARTICLES AND SAID SECOND ION WILL PRECEDE THE FASTEST OF SAID COMPONENT PARTICLES.
Claim 2
Dependent Claim
87 words
AN ELECTROPHORETIC PROCESS FOR SIMULTANEOUSLY SEPARATING AND CONCENTRATING VARIOUS COMPONENTS OF A MIXTURE OF LIKE SIGN-CHARGED PARTICLES COMPRISING PLACING SAID MIXTURE IN AN ANTICONVECTION MEDIUM, APPLYING A POTENTIAL ACROSS SAID MEDIUM, PROVIDING BEHIND SAID PARTICLES A WEAK BUFFER ION CARRYING SAID LIKE SIGN, PROVIDING A SECOND ION CARRYING SAID LIKE SIGN WITH SAID MEDIUM, AND PROVIDING A PH ENVIRONMENT WITHIN SAID MEDIUM WHEREBY SAID BUFFER ION WILL REMAIN BEHIND THE SLOWEST OF SAID COMPONENT PARTICLES AND SAID SECOND ION WILL PRECEDE THE FASTEST OF SAID COMPONENT PARTICLES.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |