Patent US2823187A successfully refreshed from Google Patents.
US2823187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soap manufacture
Assignee: Fels and Co
•
Filing: 1953-01-16
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Granted: 1958-02-11
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Expires: 1973-01-16
Abstract
No abstract record available.
Inventors
- 👤 Edward B Coyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:01
CPC Classifications
C; C11; C11D; C11D13/00; C11D13/02; Y; Y10; Y10S; Y10S159/00; Y10S159/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
IN A METHOD OF MAKING SOAP, THE STEP OF FORMING A SAPONIFICATION MIXTURE BY HEATING AT A TEMPERATURE TO MAINTAIN FLUIDITY BUT NOT ABOVE ABOUT 250*F., FAT ACID COMPONENTS, CAUSTIC SODA, AND WATER, IN SOAP MAKING PROPORTIONS INCLUDING IN PERCENTAGES BY WEIGHT 35 TO 85% OF FAT-ACID COMPONENTS, 5 TO 15% OF CAUSTIC SODA, AND ROSIN UP TO 15%, THE TOTAL AMOUNT OF WATER PRESENT AT ANY TIME INCLUDING ANY WATER FORMED BY SAPONIFICATION BEING OF FROM ABOUT 3 TO 10% BY WEIGHT, AND SPRAYING THE RESULTING SAPONIFICATION MIXTURE AS IT COMES HOT AND FLUID FROM THE SAPONIFICATION STEP AT A PUMP PRESSURE OF FROM 1000 TO 5000 P.S.I. TO PRODUCE A SOAP PRODUCT OF PARTICULATE FREE-FLOWING CHARACTER WITHOUT SUBSTANTIAL CHANGE IN THE WATER CONTENT.
Claim 2
Dependent Claim
125 words
IN A METHOD OF MAKING SOAP, THE STEP OF FORMING A SAPONIFICATION MIXTURE BY HEATING AT A TEMPERATURE TO MAINTAIN FLUIDITY BUT NOT ABOVE ABOUT 250*F., FAT ACID COMPONENTS, CAUSTIC SODA, AND WATER, IN SOAP MAKING PROPORTIONS INCLUDING IN PERCENTAGES BY WEIGHT 35 TO 85% OF FAT-ACID COMPONENTS, 5 TO 15% OF CAUSTIC SODA, AND ROSIN UP TO 15%, THE TOTAL AMOUNT OF WATER PRESENT AT ANY TIME INCLUDING ANY WATER FORMED BY SAPONIFICATION BEING OF FROM ABOUT 3 TO 10% BY WEIGHT, AND SPRAYING THE RESULTING SAPONIFICATION MIXTURE AS IT COMES HOT AND FLUID FROM THE SAPONIFICATION STEP AT A PUMP PRESSURE OF FROM 1000 TO 5000 P.S.I. TO PRODUCE A SOAP PRODUCT OF PARTICULATE FREE-FLOWING CHARACTER WITHOUT SUBSTANTIAL CHANGE IN THE WATER CONTENT.
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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) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |