US2662898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkanol-ether-imides of long-chain aliphatic dicarboxylic compounds
Assignee: Colgate Palmolive Co
•
Filing: 1949-09-20
•
Granted: 1953-12-15
•
Expires: 1969-09-20
Abstract
No abstract record available.
Inventors
- 👤 Ross John
- 👤 Gebhart Arthur Ira
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:23
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/34; C07D207/36; C07D207/40; C07D207/404; C07D207/408; C07D207/412; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A NEW CHEMICAL COMPOUND OF THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
8 words
A NEW CHEMICAL COMPOUND OF THE FOLLOWING FORMULA:
References Cited (Backward Citations)
US2182178A
Cited
US2262923A
Cited
US2452315A
Cited
US2496358A
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US2469493A
Cited
US2487106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |