US3271106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of potassium sulfate and potassium chloride
Assignee: International Minerals and Chemical Corp
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Filing: 1963-10-09
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Granted: 1966-09-06
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Expires: 1983-10-09
Abstract
No abstract record available.
Inventors
- 👤 Alfred F Nylander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:54
CPC Classifications
C; C01; C01D; C01D5/00; C01D5/06; C01D5/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
IN THE CRYSTALLIZATION OF POTASSIUM CHLORIDE FROM AN AQUEOUS MEDIUM, THE IMPROVEMENT COMPRISING INCORPORATING IN SAID MEDIUM 250 TO 2,000 PARTS PER MILLION OF A NEUTRALIZED AGENT OF THE GROUP CONSISTING OF SODIUM, POTASSIUM, AND MAGNESIUM SALTS OF MONOSULFONIC ACIDS OF OLEIC ACID, STEARIC ACID, LAURIC ACID, VALERIC ACID, PALMITIC ACID, CAPRIC ACID, CAPROIC ACID, CAPRILIC ACID, AND SYLVIC ACID, THE SODIUM, POTASSIUM, AND MAGNESIUM SALTS OF ACID SULFATES OF OLEIC ACID, STERAIC ACID, LAURIC ACID, VALERIC ACID, PALMITIC ACID, CAPRIC ACID, CAPROIC ACID, CAPRILLIC ACID, AND SYLVIC ACID; THE COMPOUNDS TRIETHANOL AMINE OLEIC
Claim 2
Dependent Claim
94 words
IN THE CRYSTALLIZATION OF POTASSIUM CHLORIDE FROM AN AQUEOUS MEDIUM, THE IMPROVEMENT COMPRISING INCORPORATING IN SAID MEDIUM 250 TO 2,000 PARTS PER MILLION OF A NEUTRALIZED AGENT OF THE GROUP CONSISTING OF SODIUM, POTASSIUM, AND MAGNESIUM SALTS OF MONOSULFONIC ACIDS OF OLEIC ACID, STEARIC ACID, LAURIC ACID, VALERIC ACID, PALMITIC ACID, CAPRIC ACID, CAPROIC ACID, CAPRILIC ACID, AND SYLVIC ACID, THE SODIUM, POTASSIUM, AND MAGNESIUM SALTS OF ACID SULFATES OF OLEIC ACID, STERAIC ACID, LAURIC ACID, VALERIC ACID, PALMITIC ACID, CAPRIC ACID, CAPROIC ACID, CAPRILLIC ACID, AND SYLVIC ACID; THE COMPOUNDS TRIETHANOL AMINE OLEIC
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |