US2897182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxazine and oxazoline polymers
Assignee: Rohm and Haas Co
•
Filing: 1957-09-06
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Granted: 1959-07-28
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Expires: 1977-09-06
Abstract
No abstract record available.
Inventors
- 👤 Benneville Peter L De
- 👤 Leo S Luskin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:55
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/42; C08F220/44; C08G; C08G73/00; C08G73/02; C08G73/0233; C08L; C08L2666/00; C08L2666/02; C08L2666/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A COMPOSITION OF MATTER COMPRISING A POLYMER OF A MONOMER OF THE GENERAL FORMULA
Claim 2
Dependent Claim
14 words
A COMPOSITION OF MATTER COMPRISING A POLYMER OF A MONOMER OF THE GENERAL FORMULA
References Cited (Backward Citations)
US2831858A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |