US3222142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthesis of large crystals of fluorphlogopite mica
Assignee: Individual
•
Filing: 1963-09-10
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Granted: 1965-12-07
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Expires: 1983-09-10
Abstract
No abstract record available.
Inventors
- 👤 Haskiel R Shell
- 👤 Norman A Pace
- 👤 Earl F Nichols
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:41
CPC Classifications
C; C30; C30B; C30B11/00; C30B11/002; C01; C01B; C01B33/00; C01B33/20; C01B33/36; C01B33/38; C01B33/42; C30B29/00; C30B29/10; C30B29/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A METHOD FOR CRYSTALLIZING FLUORPHLOGOPITE MICA FROM A LIQUID MELT IN A REACTION VESSEL, SAID MELT BEING AT AN ELEVATED TEMPERATURE, WHICH COMPRISES ROCKING THE VESSEL AT A RELATIVELY SLOW RATE OF MOTION THROUGH AN ANGLE OF ABOUT 30*, WHILE COOLING THE MELT WHEREBY THE FLUORPHLOGOPITE CRYSTALLIZES OUT AND THE GROWING CRYSTALS ARE BATHED IN FRESH LIQUID MELT, SAID ROCKING MOTION EXTENDING THROUGHOUT THE PERIOD OF COOLING AND CRYSTALLIZATION.
Claim 2
Independent Claim
69 words
A METHOD FOR CRYSTALLIZING FLUORPHLOGOPITE MICA FROM A LIQUID MELT IN A REACTION VESSEL, SAID MELT BEING AT AN ELEVATED TEMPERATURE, WHICH COMPRISES ROCKING THE VESSEL AT A RELATIVELY SLOW RATE OF MOTION THROUGH AN ANGLE OF ABOUT 30*, WHILE COOLING THE MELT WHEREBY THE FLUORPHLOGOPITE CRYSTALLIZES OUT AND THE GROWING CRYSTALS ARE BATHED IN FRESH LIQUID MELT, SAID ROCKING MOTION EXTENDING THROUGHOUT THE PERIOD OF COOLING AND CRYSTALLIZATION.
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |