US2667478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acid esters of fatty acylated n-alkylglucamines
Assignee: Commercial Solvents Corp
•
Filing: 1950-10-26
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Granted: 1954-01-26
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Expires: 1970-10-26
Abstract
No abstract record available.
Inventors
- 👤 Anthony M Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:55
CPC Classifications
C; C07; C07C; C07C233/00; C07C233/01; C07C233/16; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
AS A NEW COMPOSITION OF MATTER, A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim
19 words
AS A NEW COMPOSITION OF MATTER, A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE COMPOUND HAVING THE FORMULA:
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) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |