US2877246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of fatty acid dihydroxy alkyl amides
Assignee: Colgate Palmolive Co
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Filing: 1958-03-17
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Granted: 1959-03-10
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Expires: 1978-03-17
Abstract
No abstract record available.
Inventors
- 👤 Schurman Jack Vair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:46
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/02; C07C69/22; C07C233/00; C07C233/01; C07C233/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A PROCESS FOR THE PREPARATION OF FATTY ACID DIHYDROXY ALKYL AMIDES HAVING A LOW CONTENT OF THE FATTY ACID MONOESTER OF SAID AMIDE NORMALLY ASSOCIATED THEREWITH AND BEING IN A MOLTEN FORM SUITABLE FOR INCORPORATION IN LIQUID DETERGENT CONCENTRATES WHICH COMPRISES HOLDING A FATTY ACID DIHYDROXY ALKYL AMIDE MOLTEN AT A TEMPERATURE BELOW 55*C. FOR AT LEAST ABOUT TWO DAYS IN THE PRESSENCE OF FREE DIHYDROXY ALKYL AMINE AND IN THE PRESENCE OF AT LEAST 0.05% OF AN ALKALI METAL CATALYST SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL, ALKALI METAL ALKOXIDES, AND ALKALI METAL AMIDES TO PRODUCE A MOLTEN PRODUCT CONTAINING AT LEAST 85% FATTY ACID DIHYDROXY ALKYL AMIDE.
Claim 2
Dependent Claim
110 words
A PROCESS FOR THE PREPARATION OF FATTY ACID DIHYDROXY ALKYL AMIDES HAVING A LOW CONTENT OF THE FATTY ACID MONOESTER OF SAID AMIDE NORMALLY ASSOCIATED THEREWITH AND BEING IN A MOLTEN FORM SUITABLE FOR INCORPORATION IN LIQUID DETERGENT CONCENTRATES WHICH COMPRISES HOLDING A FATTY ACID DIHYDROXY ALKYL AMIDE MOLTEN AT A TEMPERATURE BELOW 55*C. FOR AT LEAST ABOUT TWO DAYS IN THE PRESSENCE OF FREE DIHYDROXY ALKYL AMINE AND IN THE PRESENCE OF AT LEAST 0.05% OF AN ALKALI METAL CATALYST SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL, ALKALI METAL ALKOXIDES, AND ALKALI METAL AMIDES TO PRODUCE A MOLTEN PRODUCT CONTAINING AT LEAST 85% FATTY ACID DIHYDROXY ALKYL AMIDE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |