US2922784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-alkyl-n-sorbitylureas
Assignee: Rohm and Haas Co
•
Filing: 1958-02-27
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Granted: 1960-01-26
•
Expires: 1978-02-27
Abstract
No abstract record available.
Inventors
- 👤 Fred E Boettner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:42
CPC Classifications
C; C07; C07C; C07C275/00; C07C275/04; C07C275/06; C07C275/10; D; D21; D21H; D21H17/00; D21H17/03; D21H17/05; D21H17/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
AS COMPOSITIONS OF MATTER, N-ALKYL-N-SORBITYLUREA, IN WHICH THE ALKYL GROUP CONTAINS EIGHT TO FOURTEEN CARBON ATOMS.
Claim 2
Dependent Claim
16 words
AS COMPOSITIONS OF MATTER, N-ALKYL-N-SORBITYLUREA, IN WHICH THE ALKYL GROUP CONTAINS EIGHT TO FOURTEEN CARBON ATOMS.
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) | 1963-01-25 | 1963-07-27 | 1964-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-25 | 1967-07-27 | 1968-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-25 | 1971-07-27 | 1972-01-26 | $7700.00 | Window Closed / Lapsed |