US3046092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tripolyphosphate process improvement
Assignee: Monsanto Chemicals Ltd
•
Filing: 1960-03-11
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Granted: 1962-07-24
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Expires: 1980-03-11
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Montague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:50
CPC Classifications
C; C01; C01B; C01B25/00; C01B25/16; C01B25/26; C01B25/38; C01B25/40; C01B25/41; C01B25/418
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A PROCESS WHICH COMPRISES CONTACTING ANHYDROUS SODIUM TRIPOLYPHOSPHATE WITH A QUANTITY OF WATER IN THE FORM OF ICE WHICH IS LESS THAN ABOUT 105% OF THE STOICHIOMETRIC AMOUNT REQUIRED TO HYDRATE THE SAID ANHYDROUS SODIUM TRIPOLYPHOSPHATE TO THE HEXAHYDRATE, AND RETAINING SAID WATER IN CONTACT WITH SAID ANHYDROUS SODIUM TRIPOLYPHOSPHATE UNTIL AT LEAST A PORTION OF SAID WATER HAS REACTED WITH SAID ANHYDROUS SODIUM TRIPOLYPHOSPHATE TO PRODUCE SODIUM TRIPOLYPHOSPHATE HEXANHYDRATE.
Claim 2
Dependent Claim
70 words
A PROCESS WHICH COMPRISES CONTACTING ANHYDROUS SODIUM TRIPOLYPHOSPHATE WITH A QUANTITY OF WATER IN THE FORM OF ICE WHICH IS LESS THAN ABOUT 105% OF THE STOICHIOMETRIC AMOUNT REQUIRED TO HYDRATE THE SAID ANHYDROUS SODIUM TRIPOLYPHOSPHATE TO THE HEXAHYDRATE, AND RETAINING SAID WATER IN CONTACT WITH SAID ANHYDROUS SODIUM TRIPOLYPHOSPHATE UNTIL AT LEAST A PORTION OF SAID WATER HAS REACTED WITH SAID ANHYDROUS SODIUM TRIPOLYPHOSPHATE TO PRODUCE SODIUM TRIPOLYPHOSPHATE HEXANHYDRATE.
References Cited (Backward Citations)
US2174614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |