US2520102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condensation products of diamines and fatty acids
Assignee: Commercial Solvents Corp
•
Filing: 1946-09-03
•
Granted: 1950-08-22
•
Expires: 1966-09-03
Abstract
No abstract record available.
Inventors
- 👤 Philip F Tryon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:57
CPC Classifications
C; C07; C07D; C07D405/00; C07D405/02; C07D405/06; C07D233/00; C07D233/04; C07D233/06; C07D233/08; C07D233/10; C10; C10M; C10M1/00; C10M1/08; C10M2215/00; C10M2215/22; C10M2215/223; C10M2215/224; C10N; C10N2040/00; C10N2040/20; C10N2040/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A COMPOSITION OF MATTER COMPRISING AN ASSOCIATION PRODUCT OF A FATTY ACID WITH AN IMIDAZOLINE DERIVABLE FROM SAID FATTY ACID, IN ADMIXTURE WITH A QUANTITY OF SAID IMIDAZOLINE IN UNASSOCIACTED FORM, SAID IMIDAZOLINE HAVING THE STRUCTURE
Claim 2
Dependent Claim
36 words
A COMPOSITION OF MATTER COMPRISING AN ASSOCIATION PRODUCT OF A FATTY ACID WITH AN IMIDAZOLINE DERIVABLE FROM SAID FATTY ACID, IN ADMIXTURE WITH A QUANTITY OF SAID IMIDAZOLINE IN UNASSOCIACTED FORM, SAID IMIDAZOLINE HAVING THE STRUCTURE
References Cited (Backward Citations)
US2215861A
Cited
US2194419A
Cited
US2446522A
Cited
US2393825A
Cited
US2392326A
Cited
US2418077A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-21 | 1954-02-20 | 1954-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-21 | 1958-02-20 | 1958-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-21 | 1962-02-20 | 1962-08-22 | $7700.00 | Window Closed / Lapsed |