US2653143A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condensation products of bis-aminotriazines
Assignee: Rohm and Haas Co
•
Filing: 1952-03-12
•
Granted: 1953-09-22
•
Expires: 1972-03-12
Abstract
No abstract record available.
Inventors
- 👤 Benneville Peter L De
- 👤 Meunier Vincent Carr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:33
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/02; C08G12/26; C08G12/30; C08G12/40; C08G12/42; C08G12/424; C08G12/425
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A COMPOSITION OF MATTER COMPRISING A CONDENSATION PRODUCT OF FORMALDEHYDE AND A BIS(AMINOTRIAZINE) OF THE FORMULA
Claim 2
Dependent Claim
16 words
A COMPOSITION OF MATTER COMPRISING A CONDENSATION PRODUCT OF FORMALDEHYDE AND A BIS(AMINOTRIAZINE) OF THE FORMULA
References Cited (Backward Citations)
GB608186A
Cited
US2524727A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |