Patent US3852324A successfully refreshed from Google Patents.
US3852324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N,n-(cyano-phenylene) dioxamic acids
Assignee: Pharmacia and Upjohn Co
•
Filing: 1972-12-20
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Granted: 1974-12-03
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Expires: 1992-12-20
Abstract
Abstract Compounds represented below AND PHARMACEUTICAL COMPOSITIONS THEREOF ARE USEFUL IN THE PROPHYLACTIC TREATMENT OF SENSITIZED HUMANS AND ANIMALS FOR ALLERGY AND ALL ANAPHYLACTIC REACTIONS OF A REAGIN OR NON-REAGIN MEDIATED NATURE.
Inventors
- 👤 J Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:21
CPC Classifications
C; C07; C07C; C07C255/00
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
13 words
A compound in accordance with claim 1 wherein M is hydrogen or tris(hydroxymethyl)methylammonium,
Claim 4
Dependent Claim
8 words
A compound in accordance with claim 2 wherein
Claim 5
Dependent Claim
8 words
A compound in accordance with claim 3 wherein
Claim 6
Dependent Claim
11 words
A compound in accordance with claim 1 wherein M is hydrogen,
Claim 7
Dependent Claim
11 words
A compound in accordance with claim 1 wherein M is hydrogen,
Claim 8
Dependent Claim
11 words
A compound in accordance with claim 1 wherein M is hydrogen,
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) | 1977-12-02 | 1978-06-03 | 1978-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-02 | 1982-06-03 | 1982-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-02 | 1986-06-03 | 1986-12-03 | $7700.00 | Window Closed / Lapsed |