← Back to Patent Explorer
US2724702A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of improving and simplifying the cold milling of soap and product obtained thereby

Assignee: MICRO PROC EQUIPMENT CO Inc
•
Filing: 1954-08-02
•
Granted: 1955-11-22
•
Expires: 1974-08-02
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Donald E Marshall

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 07:29
CPC Classifications
C; C11; C11D; C11D13/00

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 149 words
A CAKE OF MILLED TOILET SOAP CHARACTERIZED BY THE FACT THAT THE SOAP BASE MATERIAL FROM WHICH THE CAKE IS FORMED CONSISTS ESSENTIALLY OF A HOMOGENEOUS AND THOROUGHLY COALESCED MILLED MIXTURE OF FATTY ACID POTASH SOAP AND FATTY ACID SODA SOAP IN THE ULTRAMICROCRYSTALLINE STATE WHICH RESULTS FROM SUBJECTING THE MIXTURE OF POTASH AND SODA SOAP WHILE IN THE SOLIDIFIED STATE, AND AT A TEMPERATURE BELOW THE CRYSTALLINE REVERSION POINT OF THE SOAPS TO A MECHANICALLY PRODUCED SHEARING ACTION, AND WHICH STATE IS EVIDENCED BY A RUBBERY TRANSLUCENT WAXY TEXTURE, GOOD COLD WELDING PROPERTIES, A SUBSTANTIALLY NON-SWELLING GEL STRUCTURE, FREEDOM FROM OBJECTIONABLE SOAP DISH JELLY FORMATION, HIGH VISCOSITY AND EXCELLENT SOLUBILITY AND LATHERING ACTION; THE PERCENTAGE OF FATTY ACID POTASH SOAP IN SAID MILLED MIXTURE BEING 5 PER CENT TO 30 PER CENT THEREOF, AND THE BALANCE BEING FATTY ACID SODA SOAP, CONSIDERING THE MIXTURE IN THE ANHYDROUS STATE.

References Cited (Backward Citations)

GB539718A Cited
US2358976A Cited
GB648722A Cited
US2594956A Cited
US2686761A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-11-21 1959-05-23 1959-11-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-11-21 1963-05-23 1963-11-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-11-21 1967-05-23 1967-11-22 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag