Patent US3217003A successfully refreshed from Google Patents.
US3217003A
Expired / Lapsed
US
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Method for preparing triaryl isocyanurates
Assignee: —
•
Filing: —
•
Granted: 1965-11-09
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Expires: 1982-11-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:46
CPC Classifications
C; C07; C07D; C07D251/00; C07D251/02; C07D251/12; C07D251/26; C07D251/30; C07D251/34; C08; C08G; C08G18/00; C08G18/02; C08G18/022; C08G18/06; C08G18/70; C08G18/72; C08G18/77; C08G18/78; C08G18/79; C08G18/791; C08G18/792
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
A PROCESS FOR PREPARING A TRIARYL ISOCYANURATE COMPRISING TRIMERIZING AN ARYL ISOCYANATE OF THE FORMULA
Claim 2
Dependent Claim
15 words
A PROCESS FOR PREPARING A TRIARYL ISOCYANURATE COMPRISING TRIMERIZING AN ARYL ISOCYANATE OF THE FORMULA
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |