US2553386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction products of aminotriazines, aldehydes, nitroparaffins, and hydrogen
Assignee: Monsanto Chemicals Ltd
•
Filing: 1947-04-02
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Granted: 1951-05-15
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Expires: 1967-04-02
Abstract
No abstract record available.
Inventors
- 👤 Milton J Scott
- 👤 Elwood F Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:36
CPC Classifications
B; B01; B01J; B01J41/00; B01J41/08; B01J41/12; B01J41/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A PROCESS WHICH COMPRISES REACTING MELAMINE WITH AN ALDEHYDE AT ELEVATED TEMPERATURES AND A PH OF FROM 8 TO 9 UNTIL THE ALDEHYDE IS SUBSTANTIALLY ALL REACTED, REACTING THE PRODUCT WITH A NITROPARAFFIN HAVING AT LEAST ONE HYDROGEN ATOM AND ONE NITRO GROUP ATTACHED TO THE SAME CARBON ATOM AT A PH OF FROM 2 TO 4 UNTIL AN INSOLUBLE GEL IS FORMED, AND THEREAFTER REDUCING THE REACTION PRODUCT WITH HYDROGEN.
Claim 2
Dependent Claim
71 words
A PROCESS WHICH COMPRISES REACTING MELAMINE WITH AN ALDEHYDE AT ELEVATED TEMPERATURES AND A PH OF FROM 8 TO 9 UNTIL THE ALDEHYDE IS SUBSTANTIALLY ALL REACTED, REACTING THE PRODUCT WITH A NITROPARAFFIN HAVING AT LEAST ONE HYDROGEN ATOM AND ONE NITRO GROUP ATTACHED TO THE SAME CARBON ATOM AT A PH OF FROM 2 TO 4 UNTIL AN INSOLUBLE GEL IS FORMED, AND THEREAFTER REDUCING THE REACTION PRODUCT WITH HYDROGEN.
References Cited (Backward Citations)
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Cited
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US2285750A
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US2355402A
Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |