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US2596091A
Expired / Lapsed
US
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Nonionic surface-active agents
Assignee: Rohm and Haas Co
•
Filing: 1950-03-28
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Granted: 1952-05-13
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Expires: 1970-03-28
Abstract
No abstract record available.
Inventors
- 👤 Benneville Peter L De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:53
CPC Classifications
F; F16; F16K; F16K15/00; C; C07; C07C; C07C17/00; C07C17/26; C07C17/32; C07C43/00; C07C43/02; C07C43/03; C07C43/04; C07C43/10; C07C43/11; C08; C08G; C08G65/00; C08G65/02; C08G65/32; C08G65/329; C08G65/337
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
11 words
A PROCESS FOR THE PREPARING OF SURFACE-ACTIVE COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
11 words
A PROCESS FOR THE PREPARING OF SURFACE-ACTIVE COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
6 words
A SURFACE-ACTIVE COMPOUNDS OF THE FORMULA
Claim 4
Dependent Claim
6 words
A SURFACE-ACTIVE COMPOUNDS OF 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) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |