Patent US2315850A successfully refreshed from Google Patents.
US2804432A
Expired / Lapsed
US
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Process of making particles of caustic soda and caustic potash impregnated with gluconic acid
Assignee: Individual
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Filing: 1950-01-12
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Granted: 1957-08-27
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Expires: 1970-01-12
Abstract
No abstract record available.
Inventors
- 👤 Paul W Bonewitz
- 👤 George S Edwards
- 👤 Elmer H Fults
- 👤 Sebern W Hockett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:48
CPC Classifications
C; C01; C01D; C01D1/00; C01D1/04; C01D1/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
THE PROCESS OF MAKING PARTICLES OF CAUSTIC SELECTED FROM THE GROUP CONSISTING OF CAUSTIC SODA AND CAUSTIC POTASH IMPREGNATED WITH GLUCONIC ACID COMPRISING ADDING GLUCONIC ACID IN AQUEOUS SOLUTION TO A HOT SUPER-SATURATED AQUEOUS SOLUTION OF THE CAUSTIC, MIXING UNTIL SOLID SOLUTIONS TOGETHER WHILE COOLING THE MIXTURE UNTIL SOLID NON-ADHERENT PARTICLES ARE FORMED, THE AMOUNT OF FREE WATER PRESENT AT ANY TIME PRECLUDING APPRECIABLE IONIZATION OF THE CAUSTIC AND GLUCONIC ACID.
Claim 2
Dependent Claim
71 words
THE PROCESS OF MAKING PARTICLES OF CAUSTIC SELECTED FROM THE GROUP CONSISTING OF CAUSTIC SODA AND CAUSTIC POTASH IMPREGNATED WITH GLUCONIC ACID COMPRISING ADDING GLUCONIC ACID IN AQUEOUS SOLUTION TO A HOT SUPER-SATURATED AQUEOUS SOLUTION OF THE CAUSTIC, MIXING UNTIL SOLID SOLUTIONS TOGETHER WHILE COOLING THE MIXTURE UNTIL SOLID NON-ADHERENT PARTICLES ARE FORMED, THE AMOUNT OF FREE WATER PRESENT AT ANY TIME PRECLUDING APPRECIABLE IONIZATION OF THE CAUSTIC AND GLUCONIC ACID.
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) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |