US3075979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of trialkyl isocyanusates
Assignee: —
•
Filing: —
•
Granted: 1963-01-29
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Expires: 1980-01-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:17
CPC Classifications
C; C07; C07D; C07D251/00; C07D251/02; C07D251/12; C07D251/26; C07D251/30; C07D251/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
THE METHOD OF PRODUCING ISOCYANURATE TRIESTERS WHICH COMPRISES REACTING CYANURIC ACID WITH THREE EQUIVALENTS OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALLYLIC HALIDES AND BENZYL HALIDE IN NON-AQUEOUS MEDIUM IN THE PRESENCE OF THREE EQUIVALENTS OF A TERTIARY AMINE, AT A TEMPERATURE IN THE RANGE OF 100* TO 200*C. AND IN THE PRESENCE OF AN INERT SOLVENT FOR THE ISOCYANURATE TRIESTER FORMED, AND SEPARATING SAID TRIESTER FROM THE REACTION PRODUCT.
Claim 2
Independent Claim
72 words
THE METHOD OF PRODUCING ISOCYANURATE TRIESTERS WHICH COMPRISES REACTING CYANURIC ACID WITH THREE EQUIVALENTS OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALLYLIC HALIDES AND BENZYL HALIDE IN NON-AQUEOUS MEDIUM IN THE PRESENCE OF THREE EQUIVALENTS OF A TERTIARY AMINE, AT A TEMPERATURE IN THE RANGE OF 100* TO 200*C. AND IN THE PRESENCE OF AN INERT SOLVENT FOR THE ISOCYANURATE TRIESTER FORMED, AND SEPARATING SAID TRIESTER FROM THE REACTION PRODUCT.
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) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |