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US2578366A Expired / Lapsed US ⏱️ 0.0 years remaining

Continuous process for neutralizing fatty acids

Assignee: Procter and Gamble Co
•
Filing: 1945-02-23
•
Granted: 1951-12-11
•
Expires: 1965-02-23
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Abstract

No abstract record available.

Inventors

  • 👤 Mills Victor

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 15:38
CPC Classifications
C; C11; C11D; C11D13/00; C11D13/02; C11D13/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 158 words
IN A CONTINUOUS PROCESS OF NEUTRALIZING SOAPMAKING FATTY ACIDS TO PRODUCE DIRECTLY, WITHOUT A DRYING STEP, SOAP TO PREDETERMINED MOISTURE CONTENT BETWEEN ABOUT 12 PER CENT AND 27 PER CENT, THE STEPS OF: INTIMATELY MIXING PROPORTIONED STREAMS OF FATTY ACIDS AND OF AN AQUEOUS SOLUTION OF AN ALKALI IN THE PRESENCE OF A RECIRCULATED AND PRECOOLED STREAM OF SOAP PREVIOUSLY FORMED IN THE PROCESS, SAID AQUEOUS SOLUTION HAVING A CONCENTRATION SUCH THAT THE SOAP RESULTING FROM THE NEUTRALIZATION HAS SAID PREDETERMINED MOISTURE CONTENT BETWEEN ABOUT 12 PER CENT AND ABOT 27 PER CENT; AND REGULATING THE TEMPERTURE OF THE REACTANTS IN THE ZONE OF NEUTRALIZATION SO THAT THE SOAP AS FORMED, TOGETHER WITH THE RECIRCULATED SOAP, IS IN A PUMPABLE CONDITION, BETWEEN 130* F. AND 215* F., AND IS ABOVE THAT TEMPERATURE AT WHICH IT LOSES ITS PASTY COHESIVENESS AND BECOMES TOUGH AND RESISTANT TO FLOW AS IT APPROACHES COMPLETE SOLIDIFICATION, AND IS BELOW ITS ATMOSPHERIC BOILING POINT.
Claim 2
Dependent Claim 158 words
IN A CONTINUOUS PROCESS OF NEUTRALIZING SOAPMAKING FATTY ACIDS TO PRODUCE DIRECTLY, WITHOUT A DRYING STEP, SOAP TO PREDETERMINED MOISTURE CONTENT BETWEEN ABOUT 12 PER CENT AND 27 PER CENT, THE STEPS OF: INTIMATELY MIXING PROPORTIONED STREAMS OF FATTY ACIDS AND OF AN AQUEOUS SOLUTION OF AN ALKALI IN THE PRESENCE OF A RECIRCULATED AND PRECOOLED STREAM OF SOAP PREVIOUSLY FORMED IN THE PROCESS, SAID AQUEOUS SOLUTION HAVING A CONCENTRATION SUCH THAT THE SOAP RESULTING FROM THE NEUTRALIZATION HAS SAID PREDETERMINED MOISTURE CONTENT BETWEEN ABOUT 12 PER CENT AND ABOT 27 PER CENT; AND REGULATING THE TEMPERTURE OF THE REACTANTS IN THE ZONE OF NEUTRALIZATION SO THAT THE SOAP AS FORMED, TOGETHER WITH THE RECIRCULATED SOAP, IS IN A PUMPABLE CONDITION, BETWEEN 130* F. AND 215* F., AND IS ABOVE THAT TEMPERATURE AT WHICH IT LOSES ITS PASTY COHESIVENESS AND BECOMES TOUGH AND RESISTANT TO FLOW AS IT APPROACHES COMPLETE SOLIDIFICATION, AND IS BELOW ITS ATMOSPHERIC BOILING POINT.

References Cited (Backward Citations)

US1874388A Cited
US2084974A Cited
US2325320A Cited
US2295594A Cited
US2377424A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-12-10 1955-06-11 1955-12-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-12-10 1959-06-11 1959-12-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-12-10 1963-06-11 1963-12-11 $7700.00 Window Closed / Lapsed

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