US2512628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of treating polytriazoles
Assignee: Celanese Corp
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Filing: 1947-11-05
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Granted: 1950-06-27
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Expires: 1967-11-05
Abstract
No abstract record available.
Inventors
- 👤 Fisher James Wotherspoon
- 👤 Wheatley Edward William
- 👤 Bates Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:42
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/12; D06M13/127; C; C08; C08G; C08G73/00; C08G73/06; C08G73/08; D01; D01F; D01F6/00; D01F6/58; D01F6/74; D06M13/184; D06M13/322; D06M13/395
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
PROCESS FOR THE FURTHER TREATMENT OF A LINEAR POL-4-AMINO-1.2.4-TRIAZOLE LINKED IN THE POLYMER CHAIN AT THE 3.5 POSITIONS, WHICH COMPRISES REACTING THELINEAR POLYMER WITH A SUBSTANCE SELECTED FROM THE GROUP CONSISITING OF ACYLATING AGENTS AND ALDEHYDES.
Claim 2
Dependent Claim
36 words
PROCESS FOR THE FURTHER TREATMENT OF A LINEAR POL-4-AMINO-1.2.4-TRIAZOLE LINKED IN THE POLYMER CHAIN AT THE 3.5 POSITIONS, WHICH COMPRISES REACTING THELINEAR POLYMER WITH A SUBSTANCE SELECTED FROM THE GROUP CONSISITING OF ACYLATING AGENTS AND ALDEHYDES.
References Cited (Backward Citations)
US2384369A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-26 | 1953-12-26 | 1954-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-26 | 1957-12-26 | 1958-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-26 | 1961-12-26 | 1962-06-27 | $7700.00 | Window Closed / Lapsed |