US3372992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for determining blood serum iron-binding capacity
Assignee: Abbott Laboratories
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Filing: 1964-09-30
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Granted: 1968-03-12
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Expires: 1984-09-30
Abstract
No abstract record available.
Inventors
- 👤 Robert H Storey
- 👤 Howard J Glenn
- 👤 William J O'malley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:46
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/90; G01N23/00; G01N2223/00; G01N2223/01; G01N2223/20; G01N2223/202; G01N2223/60; G01N2223/612; G01N2223/626; G01N2223/6265
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A METHOD FOR MEASURING THE UNSATURATED IRON-BINDING CAPACITY OF SERUM WHICH COMPRISES THE STEPS OF: MIXING A TRACER AMOUNT OF RADIOACTIVE IRON WITH BLOOD SERUM; PLACING IN INTIMATE CONTACT WITH SAID MIXTURE A RESIN SPONGE COMPRISING A POLYURETHANE FOAM OF INTERCOMMUNICATING CELL TYPE CONTAINING A STRONG BASE ANION-EXCHANGE RESIN; INCUBATING THE MIXTURE AND THE RESIN SPONGE; MEASURING THE INITIAL RADIOACTIVITY OF THE COMBINED MIXTURE AND RESIN SPONGE WITH SUITABLE DETECTING MEANS; REMOVING THE RESIN SPONGE FROM THE MIXTURE; WASHING THE RESIN SPONGE WITH AN AQUEOUS SOLUTION; AND MEASURING THE RESIDUAL RADIOACTIVITY IN THE RESIN SPONGE.
Claim 2
Independent Claim
95 words
A METHOD FOR MEASURING THE UNSATURATED IRON-BINDING CAPACITY OF SERUM WHICH COMPRISES THE STEPS OF: MIXING A TRACER AMOUNT OF RADIOACTIVE IRON WITH BLOOD SERUM; PLACING IN INTIMATE CONTACT WITH SAID MIXTURE A RESIN SPONGE COMPRISING A POLYURETHANE FOAM OF INTERCOMMUNICATING CELL TYPE CONTAINING A STRONG BASE ANION-EXCHANGE RESIN; INCUBATING THE MIXTURE AND THE RESIN SPONGE; MEASURING THE INITIAL RADIOACTIVITY OF THE COMBINED MIXTURE AND RESIN SPONGE WITH SUITABLE DETECTING MEANS; REMOVING THE RESIN SPONGE FROM THE MIXTURE; WASHING THE RESIN SPONGE WITH AN AQUEOUS SOLUTION; AND MEASURING THE RESIDUAL RADIOACTIVITY IN THE RESIN SPONGE.
References Cited (Backward Citations)
US3206602A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |