US4235866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the total determination of hormones and pharmaceuticals
Assignee: Chandon Investment Planning Ltd
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Filing: 1978-04-24
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Granted: 1980-11-25
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Expires: 1998-04-24
Abstract
Abstract Disclosed is a method for the total determination of hormones and pharmaceuticals partially bound to specific or non-specific proteins, by the enzymatic hydrolysis of the bonding proteins, the reaction of the hormones or pharmaceuticals with an antibody and the radioimmunological determination of the hormones and pharmaceuticals, characterized by the fact that the immobilized antibodies are used.
Inventors
- 👤 Hans A. Thoma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:50
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/74; G01N33/743; Y; Y10; Y10S; Y10S436/00; Y10S436/804; Y10S436/815; Y10S436/817; Y10S436/825
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
59 words
A process for the total determination of hormones and pharmaceuticals bonded partially to specific or non-specific bonding proteins comprising treatment of said bonded hormones and/or pharmaceuticals with an active enzyme to hydrolyze the bonding proteins, reaction of the hormones or pharmaceuticals in the presence of active enzyme with an immobilized antibody and radioimmunological determination of the hormones or pharmaceuticals.
Claim 2
Dependent Claim
59 words
A process for the total determination of hormones and pharmaceuticals bonded partially to specific or non-specific bonding proteins comprising treatment of said bonded hormones and/or pharmaceuticals with an active enzyme to hydrolyze the bonding proteins, reaction of the hormones or pharmaceuticals in the presence of active enzyme with an immobilized antibody and radioimmunological determination of the hormones or pharmaceuticals.
Claim 3
Dependent Claim
14 words
The process of claim 1, wherein the antibodies are enclosed in a polymer gel.
Claim 4
Dependent Claim
19 words
The process of claim 1 or 2, wherein the antibodies are enclosed in an acrylamide polymer or acrylamide copolymer.
References Cited (Backward Citations)
US3962039A
Cited
US4061466A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-11-25 | 1984-05-26 | 1984-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-11-25 | 1988-05-26 | 1988-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-11-25 | 1992-05-26 | 1992-11-25 | $7700.00 | Window Closed / Lapsed |