Patent US3231561A successfully refreshed from Google Patents.
US3231561A
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Fatty acid sugar esters and fatty acid sugar-boron esters
Assignee: Ecolab Inc
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Filing: 1962-01-03
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Granted: 1966-01-25
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Expires: 1982-01-03
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Brunelle
- 👤 Larry M Rue
- 👤 Samuel B Crecelius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:39
CPC Classifications
C; C07; C07H; C07H13/00; C07H13/02; C07H13/04; C07H13/06; C07H23/00; C11; C11C; C11C3/00; C11C3/003; C11D; C11D1/00; C11D1/66; C11D1/662
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
95 words
A PROCESS FOR PRODUCING ESTERS OF FATTY ACIDS AND SACCHARIDES WHICH COMPRISES REACTING IN THE PRESENCE OF GLACIAL ACETIC ACID AS THE SOLVENT REACTION MEDIUM A SACCHARIDE WITH A REACTABLE BORON COMPOUND TO FORM A REACTION PRODUCT SOLUBLE IN GLACIAL ACETIC ACID, REACTING A FATTY ACID HALIDE WITH SAID REACTION PRODUCT TO FORM A FATTY ACID ESTER OF THE SACCHARIDE-BORON REACTION PRODUCT, HEATING SAID FATTY ESTER OF THE SACCHARIDE-BORON REACTION PRODUCT WITH A LOWER MONOHYDRIC ALCOHOL TO FORM A BORATE ESTER WITH THE ALCOHOL, AND REMOVING SAID LAST-MENTIONED ESTERS FROM THE REACTION MIXTURE BY DISTILLATION.
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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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |