US2953585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Salts of reaction products of epoxidized acyl radical containing compounds and polyamino compounds
Assignee: Baker Petrolite LLC
•
Filing: 1956-04-13
•
Granted: 1960-09-20
•
Expires: 1976-04-13
Abstract
No abstract record available.
Inventors
- 👤 Groote Melvin De
- 👤 Cheng Jen-Pu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:28
CPC Classifications
C; C07; C07C; C07C233/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A MEMBER SELECTED FROM THE CLASS OF SALTS AND ACID SALTS OF THE STRUCTURE
Claim 2
Dependent Claim
14 words
A MEMBER SELECTED FROM THE CLASS OF SALTS AND ACID SALTS OF THE STRUCTURE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |