US4041076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Immunoassay for pharmacologically active phenethylamines
Assignee: Hoffmann La Roche Inc
•
Filing: 1976-03-09
•
Granted: 1977-08-09
•
Expires: 1996-03-09
Abstract
Abstract New hapten compositions useful in preparing antigens which may be employed in eliciting antibodies useful in an improved radioimmunoassay for pharmacologically active phenethylamines are disclosed. Particular phenethylamins which are preferably detected by the present radioimmunoassay include the catecholamines such as norepinephrine, dopamine and epinephrine, and the amphetamines.
Inventors
- 👤 Richard William Avenia
- 👤 James Gordon Christenson
- 👤 Benjamin Pecherer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:32
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/34; C07D207/36; C07D207/40; C07D207/404; G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/94; G01N33/9406; Y; Y10; Y10S; Y10S436/00; Y10S436/804; Y10S530/00; Y10S530/807
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
2 words
N-[2-(4-hydroxyphenyl)ethyl]-2-[4-(2-aminopropyl)-phenoxy] acetamide.
Claim 2
Dependent Claim
2 words
N-[2-(4-hydroxyphenyl)ethyl]-2-[4-(2-aminopropyl)-phenoxy] acetamide.
Claim 3
Dependent Claim
2 words
N-[2-(4-hydroxyphenyl)ethyl]-2-[4-(2-aminopropyl)-phenoxy]acetamide-.sup.125 I.
Claim 4
Dependent Claim
2 words
N-[2-(4-hydroxyphenyl)ethyl]-2-[4-(2-aminopropyl)-phenoxy]acetamide-.sup.125 I.
References Cited (Backward Citations)
GB1345075A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-08-08 | 1981-02-07 | 1981-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-08-08 | 1985-02-07 | 1985-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-08-08 | 1989-02-07 | 1989-08-09 | $7700.00 | Window Closed / Lapsed |