US2572102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal separation of kettle soap
Assignee: Lever Brothers Co
•
Filing: 1947-09-16
•
Granted: 1951-10-23
•
Expires: 1967-09-16
Abstract
No abstract record available.
Inventors
- 👤 John W Bodman
- 👤 Frederick J Squire
- 👤 Jr George W Busby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:25
CPC Classifications
C; C11; C11D; C11D13/00; C11D13/02; C11D13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
IN THE MANUFACTURE OF SOAP, A PROCESS WHICH COMPRISES CONFITIONING A BATCH OF SUBSTANTIALLY COMPLETELY SAPONIFIED KETTLE SOAP BY ADDING THERETO SUFFICIENT WATER TO REDUCE THE TOTAL FATTY ACID CONTENT TO FROM ABOUT 50 TO ABOUT 59% BY WEIGHT, AGITATING SAID CONDITIONED SOAP MASS TO MAINTAIN IT IN A HOMOGENEOUS CONDITION, WITHDRAWING A CONTINUOUS STREAM OF SAID CONDITIONED SOAP FROM SAID MASS, ADDING TO SAID STREAM OF CONDITIONED SOAP A CONTINUOUS STREAM OF ELECTROLYTE PROPORTIONED TO SAID STREAM OF SOAP TO FURTHER REDUCE THE TOTAL FATTY ACID CONTENT TO FROM ABOUT 45 TO ABOUT 55% BY WEIGHT, INTIMATELY MIXING AND AGITATING SAID SOAP AND SAID ELECTROLYTE, MAINTAINING SAID MIXTURE AT A TEMPERATURE OF ABOUT 190* TO 200* F., AND CENTRIFUGING SAID SOAP-ELECTROLYTE MIXTURE TO SEPARATE NEAT SOAP THEREFROM.
Claim 2
Dependent Claim
128 words
IN THE MANUFACTURE OF SOAP, A PROCESS WHICH COMPRISES CONFITIONING A BATCH OF SUBSTANTIALLY COMPLETELY SAPONIFIED KETTLE SOAP BY ADDING THERETO SUFFICIENT WATER TO REDUCE THE TOTAL FATTY ACID CONTENT TO FROM ABOUT 50 TO ABOUT 59% BY WEIGHT, AGITATING SAID CONDITIONED SOAP MASS TO MAINTAIN IT IN A HOMOGENEOUS CONDITION, WITHDRAWING A CONTINUOUS STREAM OF SAID CONDITIONED SOAP FROM SAID MASS, ADDING TO SAID STREAM OF CONDITIONED SOAP A CONTINUOUS STREAM OF ELECTROLYTE PROPORTIONED TO SAID STREAM OF SOAP TO FURTHER REDUCE THE TOTAL FATTY ACID CONTENT TO FROM ABOUT 45 TO ABOUT 55% BY WEIGHT, INTIMATELY MIXING AND AGITATING SAID SOAP AND SAID ELECTROLYTE, MAINTAINING SAID MIXTURE AT A TEMPERATURE OF ABOUT 190* TO 200* F., AND CENTRIFUGING SAID SOAP-ELECTROLYTE MIXTURE TO SEPARATE NEAT SOAP THEREFROM.
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) | 1954-10-22 | 1955-04-23 | 1955-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-22 | 1959-04-23 | 1959-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-22 | 1963-04-23 | 1963-10-23 | $7700.00 | Window Closed / Lapsed |