Patent US2884383A successfully refreshed from Google Patents.
US2884383A
Expired / Lapsed
US
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Polymers of 4,6-bis-trichloromethyl 1,3,5-triazine
Assignee: Olin Corp
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Filing: 1954-05-26
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Granted: 1959-04-28
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Expires: 1974-05-26
Abstract
No abstract record available.
Inventors
- 👤 Christoph J Grundmann
- 👤 Kreutzberger Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:46
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/06; C08G73/0622; C08G73/0638; C08G73/0644
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
THE LINER POLYMERIC CONDENSATION PRODUCTS OF THE CONDENSATION AT A TEMPERATURE OF ABOUT 80 TO 220* C. OF SUBSTANTIALLY EQUIMOLAR PROPORTIONS OF AN ALKYL POLYAMINE CONTAINING 2 TO 10 NCARBON ATOMS AND FORMED 2 TO 4 AMINO GROUPS, HAVING AT LEAST 2 CARBON ATOMS IN EACH ALKYLENE GROUP WITH A 4,6-BIS-TRICHLOROMETHYL-1,3,5-TRIAZINE OF THE FORMULA
Claim 2
Dependent Claim
54 words
THE LINER POLYMERIC CONDENSATION PRODUCTS OF THE CONDENSATION AT A TEMPERATURE OF ABOUT 80 TO 220* C. OF SUBSTANTIALLY EQUIMOLAR PROPORTIONS OF AN ALKYL POLYAMINE CONTAINING 2 TO 10 NCARBON ATOMS AND FORMED 2 TO 4 AMINO GROUPS, HAVING AT LEAST 2 CARBON ATOMS IN EACH ALKYLENE GROUP WITH A 4,6-BIS-TRICHLOROMETHYL-1,3,5-TRIAZINE OF THE FORMULA
References Cited (Backward Citations)
DE682391C
Cited
US2723244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |