Patent US3322761A successfully refreshed from Google Patents.
US3322761A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Purification of triallyl isocyanurate
Assignee: Honeywell International Inc
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Filing: 1965-07-14
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Granted: 1967-05-30
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Expires: 1985-07-14
Abstract
No abstract record available.
Inventors
- 👤 Edwin D Little
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:21
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
82 words
A METHOD OF PREPARING PURIFIED TRIALLYL ISOCYANURATE WHICH COMPRISES TREATING CRUDE TRIALLYL ISOCYANURATE CONTAINING COLOR AND OTHER IMPURTITIES WITH HYDROGEN BY THE CRUDE TRIALLYL ISOCYANURATE IN AN AMOUNT LESS THAN THAT REQUIRED TO PRODUCE ANY SIGNIFICANT HYDROGENATION OF THE TRIALLYL ISOCYANURATE ITSELF SO AS TO SUBSTANTIALLY ELIMINATE SAID IMPURITIES, AND THEREAFTER DISTILLING THE HYDROGEN TREATED CRUDE TRIALLYL ISOCYANURATE SO AS TO SEPARATE SUBSTANTIALLY PURE TRIALLYL ISOCYANURATE DISTILLATE THEREFROM WITHOUT ANY SUBSTANTIAL LOSS OF TRIALLYL ISCYANURATE NORMALLY RESULTING FROM POLYMERIZATION DURING SAID DISTILLATION.
Claim 2
Independent Claim
82 words
A METHOD OF PREPARING PURIFIED TRIALLYL ISOCYANURATE WHICH COMPRISES TREATING CRUDE TRIALLYL ISOCYANURATE CONTAINING COLOR AND OTHER IMPURTITIES WITH HYDROGEN BY THE CRUDE TRIALLYL ISOCYANURATE IN AN AMOUNT LESS THAN THAT REQUIRED TO PRODUCE ANY SIGNIFICANT HYDROGENATION OF THE TRIALLYL ISOCYANURATE ITSELF SO AS TO SUBSTANTIALLY ELIMINATE SAID IMPURITIES, AND THEREAFTER DISTILLING THE HYDROGEN TREATED CRUDE TRIALLYL ISOCYANURATE SO AS TO SEPARATE SUBSTANTIALLY PURE TRIALLYL ISOCYANURATE DISTILLATE THEREFROM WITHOUT ANY SUBSTANTIAL LOSS OF TRIALLYL ISCYANURATE NORMALLY RESULTING FROM POLYMERIZATION DURING SAID DISTILLATION.
References Cited (Backward Citations)
US2894950A
Cited
US3065231A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |