Patent US3047509A successfully refreshed from Google Patents.
US3047509A
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Process for preparing a mixture of soap and fatty-acyl-aminomethane sulfonate
Assignee: Lever Brothers Co
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Filing: 1958-07-11
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Granted: 1962-07-31
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Expires: 1978-07-11
Abstract
No abstract record available.
Inventors
- 👤 Alsbury Allan
- 👤 Kenneth A Phillips
- 👤 Taylor Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:52
CPC Classifications
C; C11; C11D; C11D10/00; C11D10/04; C11D1/00; C11D1/88; C11D1/02; C11D1/12; C11D1/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A PROCESS FOR PREPARATION OF A MIXTURE COMPRISING A WATER SOLUBLE SOAP AND AN ALKALI METAL SALT OF A FATTY -ACYL-AMINOMETHANE SULPHONATE SELECTED FROM THE GROUP CONSISTING OF SODIUM AND POTASSIUM SALTS AND HAVING FROM 10 TO 18 CARBON ATOMS IN THE ACYL RADICAL, SAID PROCESS COMPRISING REACTING A FATTY AMIDE HAVING FROM 10 TO 18 CARBON ATOMS, WITH FROM 0.8 TO 1.2 MOLECULAR PROPORTIONS OF AN ALKALI METAL FORMALDEHYDE BISULPHITE SELECTED FROM THE GROUP CONSISTING OF SODIUM FORMALDEHYDE BISULPHITE AND POTASSIUM FORMALDEHYDE BISULPHITE, IN THE PRESENCE OF: (A) FROM 15 TO 40%, BY WEIGHT OF THE AMIDE, OF A FREE FATTY ACID HAVING FROM 10 TO 18 CARBON ATOMS, AND (B) FROM ABOUT 1 TO 26% BY WEIGHT OF THE AMIDE OF A WATER SOLUBLE ALKALI METAL SOAP HAVING FROM 10 TO 18 CARBON ATOMS, THE REACTION BEING CARRIED OUT AT A TEMPERATURE OF FROM 150* C. TO 210* C.
Claim 2
Dependent Claim
151 words
A PROCESS FOR PREPARATION OF A MIXTURE COMPRISING A WATER SOLUBLE SOAP AND AN ALKALI METAL SALT OF A FATTY -ACYL-AMINOMETHANE SULPHONATE SELECTED FROM THE GROUP CONSISTING OF SODIUM AND POTASSIUM SALTS AND HAVING FROM 10 TO 18 CARBON ATOMS IN THE ACYL RADICAL, SAID PROCESS COMPRISING REACTING A FATTY AMIDE HAVING FROM 10 TO 18 CARBON ATOMS, WITH FROM 0.8 TO 1.2 MOLECULAR PROPORTIONS OF AN ALKALI METAL FORMALDEHYDE BISULPHITE SELECTED FROM THE GROUP CONSISTING OF SODIUM FORMALDEHYDE BISULPHITE AND POTASSIUM FORMALDEHYDE BISULPHITE, IN THE PRESENCE OF: (A) FROM 15 TO 40%, BY WEIGHT OF THE AMIDE, OF A FREE FATTY ACID HAVING FROM 10 TO 18 CARBON ATOMS, AND (B) FROM ABOUT 1 TO 26% BY WEIGHT OF THE AMIDE OF A WATER SOLUBLE ALKALI METAL SOAP HAVING FROM 10 TO 18 CARBON ATOMS, THE REACTION BEING CARRIED OUT AT A TEMPERATURE OF FROM 150* C. TO 210* C.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |