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US2677700A
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Polyoxyalkylene surface active agents
Assignee: Wyandotte Chemicals Corp
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Filing: 1951-05-31
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Granted: 1954-05-04
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Expires: 1971-05-31
Abstract
No abstract record available.
Inventors
- 👤 Donald R Jackson
- 👤 Lester G Lundsted
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:08
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/02; C11D3/04; C11D3/10; C08; C08G; C08G65/00; C08G65/02; C08G65/26; C11D1/00; C11D1/02; C11D1/12; C11D1/66; C11D1/722; C11D3/06; D; D06; D06M; D06M7/00; D06M2200/00; D06M2200/40; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/04; Y10S516/05; Y10S516/06; Y10S516/07; Y10S8/00; Y10S8/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A COGENERIC MIXTURE OF COMPOUNDS HAVING THE FORMULA:
Claim 2
Dependent Claim
8 words
A COGENERIC MIXTURE OF COMPOUNDS HAVING THE FORMULA:
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-03 | 1957-11-02 | 1958-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-03 | 1961-11-02 | 1962-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-03 | 1965-11-02 | 1966-05-04 | $7700.00 | Window Closed / Lapsed |