US3799739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of analyzing for cholesterol
Assignee: Eastman Kodak Co
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Filing: 1972-05-22
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Granted: 1974-03-26
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Expires: 1992-05-22
Abstract
Abstract QUANTITATIVE DETERMINATION OF TOTAL CHOLESTEROL IN BODY FLUIDS SUCH AS BLOOD SERUM IS ACCOMPLISHED BY CONTACTING A SAMPLE OF FLUID WITH BROMINE TO FORM BROMINATED DERIVATIVES OF THE CHOLESTEROL AND CHOLESTEROL ESTERS IN THE FLUID, CONVERTING THE BROMINATED DERIVATES TO THE CORRESPONDING IODINATED DERIVATES, AND MEASURING THE AMOUNT OF IODINE WHICH IS LIBERATED UPON DECOMPOSITION OF THE IODINATED DERIVATIVES.
Inventors
- 👤 C Warburton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:28
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/92
Claims Analysis
Total Claims: 0
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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) | 1977-03-25 | 1977-09-24 | 1978-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-25 | 1981-09-24 | 1982-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-25 | 1985-09-24 | 1986-03-26 | $7700.00 | Window Closed / Lapsed |