Patent US4132850A successfully refreshed from Google Patents.
US4132850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tri-substituted triazines
Assignee: Wyeth Holdings LLC
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Filing: 1977-06-29
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Granted: 1979-01-02
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Expires: 1997-06-29
Abstract
Abstract Tri-substituted s-triazine di and triimino substituted alkyl and aryl mono and dicarboxylic acids and salts thereof useful as complement inhibitors.
Inventors
- 👤 Ransom B. Conrow
- 👤 Seymour Bernstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:44
CPC Classifications
C; C07; C07D; C07D251/00; C07D251/02; C07D251/12; C07D251/26; C07D251/40; C07D251/54; C07D251/70; C07D251/48; C07D251/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
The compound, (s-triazine-2,4,6-triyltrinitrilo)hexaacetic acid.
Claim 2
Dependent Claim
4 words
The compound, (s-triazine-2,4,6-triyltrinitrilo)hexaacetic acid.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-01-01 | 1982-07-03 | 1983-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-01-01 | 1986-07-03 | 1987-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-01-01 | 1990-07-03 | 1991-01-02 | $7700.00 | Window Closed / Lapsed |