US3004048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for preventing color reversion of fatty material
Assignee: MW Kellogg Co
•
Filing: 1951-04-04
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Granted: 1961-10-10
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Expires: 1971-04-04
Abstract
No abstract record available.
Inventors
- 👤 John W Copenhaver
- 👤 Kwiatek Jack
- 👤 Jr Horace R Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:46
CPC Classifications
C; C11; C11B; C11B3/00; C11B3/02; C11B3/04; C11B5/00; C11B5/0071; C11C; C11C1/00; C11C1/08
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
82 words
IN THE MANUFACTURE OF SOAP FROM DECOLORIZED FATTY MATERIALS, A METHOD OF PREVENTING COLOR REVERSION OF SAID FATTY MATERIAL PRIOR TO ITS CONVERSION INTO SOAP, WHICH INCLUDES THE STEPS OF: ADDING TO SAID FATTY MATERIAL BETWEEN 0.005% AND .3% OF AT LEAST ONE MEMBER OF A GROUP OF MERCAPTANS CONSISTING OF 2-MERCAPTOETHANOL, THIOPHENOL, THIOCRESOL, BENZYL MERCAPTAN, OR THEIR HOMOLOGS AND BETWEEN .005% AND .3% OF ORTHOPHOSPHORIC ACID, AND WASHING OUT RESIDUAL MERCAPTANS AND ACID WITH ALKALI SOLUTION IN THE SOAP MAKING PROCESS.
Claim 2
Dependent Claim
82 words
IN THE MANUFACTURE OF SOAP FROM DECOLORIZED FATTY MATERIALS, A METHOD OF PREVENTING COLOR REVERSION OF SAID FATTY MATERIAL PRIOR TO ITS CONVERSION INTO SOAP, WHICH INCLUDES THE STEPS OF: ADDING TO SAID FATTY MATERIAL BETWEEN 0.005% AND .3% OF AT LEAST ONE MEMBER OF A GROUP OF MERCAPTANS CONSISTING OF 2-MERCAPTOETHANOL, THIOPHENOL, THIOCRESOL, BENZYL MERCAPTAN, OR THEIR HOMOLOGS AND BETWEEN .005% AND .3% OF ORTHOPHOSPHORIC ACID, AND WASHING OUT RESIDUAL MERCAPTANS AND ACID WITH ALKALI SOLUTION IN THE SOAP MAKING PROCESS.
Claim 3
Independent Claim
54 words
A METHOD FOR RETARDING THE COLOR REVERSION OF FATTY MATERIALS WHICH COMPRISES: SUBJECTING SAID FATTY MATERIALS TO A DECOLORIZATION TREATMENT WITH A LIQUEFIED, NORMALLY GASEOUS HYDROCARBON, AND THEREAFTER INCORPORATING IN SAID DECOLORIZED FATTY MATERIALS A SMALL AMOUNT OF A COMPOUND CONTAINING AS THE ONLY SULFUR GROUP OF SULFHYDRYL GROUP ACTIVATED BY AN AROMATIC RING.
Claim 4
Independent Claim
54 words
A METHOD FOR RETARDING THE COLOR REVERSION OF FATTY MATERIALS WHICH COMPRISES: SUBJECTING SAID FATTY MATERIALS TO A DECOLORIZATION TREATMENT WITH A LIQUEFIED, NORMALLY GASEOUS HYDROCARBON, AND THEREAFTER INCORPORATING IN SAID DECOLORIZED FATTY MATERIALS A SMALL AMOUNT OF A COMPOUND CONTAINING AS THE ONLY SULFUR GROUP OF SULFHYDRYL GROUP ACTIVATED BY AN AROMATIC RING.
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) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |