US3063812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Determination of albumin in liquids
Assignee: Bayer Corp
•
Filing: 1957-04-02
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Granted: 1962-11-13
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Expires: 1977-04-02
Abstract
No abstract record available.
Inventors
- 👤 Galen F Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:26
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/68; G01N33/6803; G01N33/6827; G01N33/6839
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
THE METHOD OF DETERMINING THE PRESENCE OF ALBUMIN IN A LIQUID COMPRISING PLACING A DROP OF THE LIQUID ON A TABLET CONTAINING IN INTIMATE ADMIXTURE: A MAJOR PROPORTION OF AN ACID-REACTING SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF SOLID ORGANIC ACIDS AND ACIDIC SALTS, A MINOR PROPORTION OF AN INDICATOR DYE WHICH EXHIBITS "PROTEIN ERROR", AND A CARRIER FOR SAID ACID-REACTING SUBSTANCE AND DYE CONSISTING OF FINELY DIVIDED CELLULOSE; AND AFTER SAID DROP IS ABSORBED IN SAID TABLET, PLACING THEREON TWO, DROPS OF WATER, THE PRESENCE OF ALBUMIN BEING INDICATED BY THE DISPLAY OF THE BASIC COLOR OF THE INDICATOR ON THE SURFACE OF SAID TABLET.
Claim 2
Independent Claim
106 words
THE METHOD OF DETERMINING THE PRESENCE OF ALBUMIN IN A LIQUID COMPRISING PLACING A DROP OF THE LIQUID ON A TABLET CONTAINING IN INTIMATE ADMIXTURE: A MAJOR PROPORTION OF AN ACID-REACTING SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF SOLID ORGANIC ACIDS AND ACIDIC SALTS, A MINOR PROPORTION OF AN INDICATOR DYE WHICH EXHIBITS "PROTEIN ERROR", AND A CARRIER FOR SAID ACID-REACTING SUBSTANCE AND DYE CONSISTING OF FINELY DIVIDED CELLULOSE; AND AFTER SAID DROP IS ABSORBED IN SAID TABLET, PLACING THEREON TWO, DROPS OF WATER, THE PRESENCE OF ALBUMIN BEING INDICATED BY THE DISPLAY OF THE BASIC COLOR OF THE INDICATOR ON THE SURFACE OF SAID TABLET.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |