Patent US2982737A successfully refreshed from Google Patents.
US2982737A
Expired / Lapsed
US
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Detergent bars
Assignee: Rohm and Haas Co
•
Filing: 1957-05-27
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Granted: 1961-05-02
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Expires: 1977-05-27
Abstract
No abstract record available.
Inventors
- 👤 Fred E Boettner
- 👤 James L Rainey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:34
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/26; C11D3/32; C11D3/323; C11D1/00; C11D1/02; C11D1/12; C11D1/14; C11D1/146; C11D1/38; C11D1/52; C11D1/525
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
IN THE METHOD OF MANUFACTURING A DETERGENT BAR FROM 50 TO 70 PARTS BY WEIGHT OF UREA, 20 TO 30 PARTS BY WEIGHT OF AN AMIDE FROM THE GROUP CONSISTING OF NMETHYL-N-SORBITYL LAURAMIDE AND N-METHYL-N-SORBITYL MYRISTIC ACID AMIDE, AND 30 TO 40 PARTS BY WEIGHT OF SODIUM LAURYL SULFATE, THE STEPS WHICH CONSIST OF HEATING THE AMIDE AND THE UREA TOGETHER UNTIL A REACTION TAKES PLACE AND A CLEAR MELT IS FORMED, INTIMATELY MIXING THE SODIUM LAURYL SULFATE WITH THE TOTAL PRODUCT OF THAT REACTION TO AGAIN FORM A CLEAR MELT, COOLING UNTIL THE MIXTURE CAN READILY BE KNEADED, AND KNEADING UNTIL THE MIXTURE BECOMES SUFFICIENTLY STIFFENED TO BE FORMED INTO THE DESIRED BAR SHAPE.
Claim 2
Dependent Claim
115 words
IN THE METHOD OF MANUFACTURING A DETERGENT BAR FROM 50 TO 70 PARTS BY WEIGHT OF UREA, 20 TO 30 PARTS BY WEIGHT OF AN AMIDE FROM THE GROUP CONSISTING OF NMETHYL-N-SORBITYL LAURAMIDE AND N-METHYL-N-SORBITYL MYRISTIC ACID AMIDE, AND 30 TO 40 PARTS BY WEIGHT OF SODIUM LAURYL SULFATE, THE STEPS WHICH CONSIST OF HEATING THE AMIDE AND THE UREA TOGETHER UNTIL A REACTION TAKES PLACE AND A CLEAR MELT IS FORMED, INTIMATELY MIXING THE SODIUM LAURYL SULFATE WITH THE TOTAL PRODUCT OF THAT REACTION TO AGAIN FORM A CLEAR MELT, COOLING UNTIL THE MIXTURE CAN READILY BE KNEADED, AND KNEADING UNTIL THE MIXTURE BECOMES SUFFICIENTLY STIFFENED TO BE FORMED INTO THE DESIRED BAR SHAPE.
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) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |