US3108101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for-the synthesis of triazines
Assignee: —
•
Filing: —
•
Granted: 1963-10-22
•
Expires: 1980-10-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:29
CPC Classifications
C; C07; C07D; C07D487/00; C07D487/02; C07D487/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
THE METHOD OF PREPARING ESTERS OF 1,3,5-TRIS(CARBOXY)HEXAHYDRO-S-TRIAZINES WHICH COMPRISES REACTING EQUIMOLAR AMOUTS OF AMMONIA AND FORMALDEHYDE IN AQUEOUS SOLUTION AT A TEMPERATURE NOT IN EXCESS OF 25*C., IMMEDIATELY REACTING THE RESULTING PRODUCT MIXTURE IN COLD AQUEOUS SOLUTION WITH AN EQUIMOLAR AMOUNT OF AN ORGANIC CHLOROFORMATE OF THE FORMULA ROCOCL, WHEREIN R IS A MEMBER OF THE GROUP CONSISTING OF ALKYL, ALKENYL, CYCLOALKYL OF 5-6 CARBON ATOMS IN THE RING, AR-LOWER-ALKYL, HYDROCARBON ARYL OF UP TO 12 CARBON ATOMS, AND FURYL, AND THESE MOIETIES SUBSTITUTED BY A MEMBER OF THE GROUP CONSISTING OF HYDROXYL, HALOGEN AND EPOXY, IN THE PRESENCE OF AN ACID ACCEPTOR, THUS PRODUCING SAID 1,3,5,-TRIS(CARBOXY) HEXAHYDRO-S-TRIAZINE ESTER IN HIGH YIELD.
Claim 2
Independent Claim
112 words
THE METHOD OF PREPARING ESTERS OF 1,3,5-TRIS(CARBOXY)HEXAHYDRO-S-TRIAZINES WHICH COMPRISES REACTING EQUIMOLAR AMOUTS OF AMMONIA AND FORMALDEHYDE IN AQUEOUS SOLUTION AT A TEMPERATURE NOT IN EXCESS OF 25*C., IMMEDIATELY REACTING THE RESULTING PRODUCT MIXTURE IN COLD AQUEOUS SOLUTION WITH AN EQUIMOLAR AMOUNT OF AN ORGANIC CHLOROFORMATE OF THE FORMULA ROCOCL, WHEREIN R IS A MEMBER OF THE GROUP CONSISTING OF ALKYL, ALKENYL, CYCLOALKYL OF 5-6 CARBON ATOMS IN THE RING, AR-LOWER-ALKYL, HYDROCARBON ARYL OF UP TO 12 CARBON ATOMS, AND FURYL, AND THESE MOIETIES SUBSTITUTED BY A MEMBER OF THE GROUP CONSISTING OF HYDROXYL, HALOGEN AND EPOXY, IN THE PRESENCE OF AN ACID ACCEPTOR, THUS PRODUCING SAID 1,3,5,-TRIS(CARBOXY) HEXAHYDRO-S-TRIAZINE ESTER IN HIGH YIELD.
References Cited (Backward Citations)
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Cited
US2382792A
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US2527240A
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US2568608A
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US2572843A
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US2651658A
Cited
US2794810A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |