US3268593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ethylene oxide adducts of tertiary acetylenic alcohols
Assignee: Cumberland Chemical Corp
•
Filing: 1961-06-26
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Granted: 1966-08-23
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Expires: 1981-06-26
Abstract
No abstract record available.
Inventors
- 👤 Gilbert B Carpenter
- 👤 Morton W Leeds
- 👤 Robert J Tedeschi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:13
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/164; C08; C08G; C08G65/00; C08G65/02; C08G65/26; C08G65/2603; C08G65/2606; C08G65/2609; C11D1/00; C11D1/66; C11D1/72; C08G2650/00; C08G2650/28; C08G2650/60; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/02; Y10S516/905; Y10S516/917; Y10S516/92
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
ETHYLENE OXIDE ADDUCTS HAVING THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
7 words
ETHYLENE OXIDE ADDUCTS HAVING THE STRUCTURAL FORMULA
References Cited (Backward Citations)
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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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |