US2789115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Complexes of 2-heptadecylimidazolines
Assignee: Union Carbide Corp
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Filing: 1955-11-04
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Granted: 1957-04-16
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Expires: 1975-11-04
Abstract
No abstract record available.
Inventors
- 👤 John N Hogsett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 02:02
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/04; C07D233/06; C07D233/08; C07D233/10; C07F; C07F15/00; C07F15/02; C07F15/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A CHELATE HAVING THE STRUCTURAL FORMULA MRN, WHEREIN R IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF 2-HEPTADECYLIMIDAZOLINE AND ACID SALTS THEREOF, M IS A SALT OF A METAL OF GROUP VIII OF THE PERIODIC TABLE AND N IS AN INTEGER HAVING A VALUE OF ONE HALF THE COORDINATION NUMBER OF SAID METAL.
Claim 2
Dependent Claim
54 words
A CHELATE HAVING THE STRUCTURAL FORMULA MRN, WHEREIN R IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF 2-HEPTADECYLIMIDAZOLINE AND ACID SALTS THEREOF, M IS A SALT OF A METAL OF GROUP VIII OF THE PERIODIC TABLE AND N IS AN INTEGER HAVING A VALUE OF ONE HALF THE COORDINATION NUMBER OF SAID METAL.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-15 | 1960-10-15 | 1961-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-15 | 1964-10-15 | 1965-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-15 | 1968-10-15 | 1969-04-16 | $7700.00 | Window Closed / Lapsed |