Patent US2969388A successfully refreshed from Google Patents.
US2969388A
Expired / Lapsed
US
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Surface-active monoesters
Assignee: Rohm and Haas Co
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Filing: 1957-01-24
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Granted: 1961-01-24
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Expires: 1977-01-24
Abstract
No abstract record available.
Inventors
- 👤 Warren D Niederhauser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:18
CPC Classifications
C; C11; C11C; C11C3/00; C11C3/003; C07; C07C; C07C67/00; C07C67/24; C07C67/26; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A SURFACE-ACTIVE MONOESTER COMPOSITION WHICH IS THE REACTION PRODUCT AT 110* TO 220*C. OF ETHYLENE OXIDE AND A MIXTURE OF AT LEAST 80% OF THE VISCOUS RESIDUE CONTAINING LONG-CHAINED POLYCARBOXYLIC ACIDS, HAVING AN ACID NUMBER BETWEEN 140 AND 165, HAVING AN IODINE NUMBER BETWEEN 30 AND 60, AND BEING THE NON-VOLATILE MATERIAL REMAINING FROM VACUUM-DISTILLING THE BY-PRODUCT ACIDS FROM SEBACIC ACID MANUFACTURE FROM CASTOR OIL BY TREATMENT WITH ALKALI AND NO MORE THAN 20% OF A HIGHER ALIPHATIC MONOCARBOXYLIC ACID, THERE BEING FROM 5 TO 25 ETHYLENOXY GROUPS PER CARBOXY GROUP, SAID MONOESTER HAVING AN ACID NUMBER OF 0 AND SUBSTANTIALLY HAVING PRESENT ONLY A SINGLE ESTER GROUP IN THE CHAIN FORMED FROM THE REACTION OF ETHYLENE OXIDE AND THE HYDROGEN ATOM OF THE CARBOXY GROUP.
Claim 2
Dependent Claim
126 words
A SURFACE-ACTIVE MONOESTER COMPOSITION WHICH IS THE REACTION PRODUCT AT 110* TO 220*C. OF ETHYLENE OXIDE AND A MIXTURE OF AT LEAST 80% OF THE VISCOUS RESIDUE CONTAINING LONG-CHAINED POLYCARBOXYLIC ACIDS, HAVING AN ACID NUMBER BETWEEN 140 AND 165, HAVING AN IODINE NUMBER BETWEEN 30 AND 60, AND BEING THE NON-VOLATILE MATERIAL REMAINING FROM VACUUM-DISTILLING THE BY-PRODUCT ACIDS FROM SEBACIC ACID MANUFACTURE FROM CASTOR OIL BY TREATMENT WITH ALKALI AND NO MORE THAN 20% OF A HIGHER ALIPHATIC MONOCARBOXYLIC ACID, THERE BEING FROM 5 TO 25 ETHYLENOXY GROUPS PER CARBOXY GROUP, SAID MONOESTER HAVING AN ACID NUMBER OF 0 AND SUBSTANTIALLY HAVING PRESENT ONLY A SINGLE ESTER GROUP IN THE CHAIN FORMED FROM THE REACTION OF ETHYLENE OXIDE AND THE HYDROGEN ATOM OF THE CARBOXY GROUP.
References Cited (Backward Citations)
US2228929A
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US2233382A
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US2334390A
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US2317688A
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US2476609A
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US2606199A
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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) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |