Patent US3074777A successfully refreshed from Google Patents.
US3074777A
Expired / Lapsed
US
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Method of chlorinating an agglomerate-free fluid bed of titanium-bearing materials
Assignee: PPG Industries Inc
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Filing: 1959-01-28
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Granted: 1963-01-22
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Expires: 1979-01-28
Abstract
No abstract record available.
Inventors
- 👤 Cortes Beverly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:45
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1218; C22B34/1222; B; B01; B01J; B01J8/00; B01J8/18; B01J8/1818; B01J8/24; B01J8/245; C22B1/00; C22B1/02; C22B1/08; C22B1/10; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00477; B01J2208/00495; B01J2208/00743; B01J2208/00761; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
IN THE FLUID BED EXOTHERMIC CHLORINATION OF TITANIUMBEARING MATERIAL CONTAINING ALKALINE EARTH METAL IMPURITY AND AT LEAST 10 PERCENT BY WEIGHT OF TITANIUM WHEREIN AGGLOMERATE FORMATION IS ENCOUUNTERED, THE IMPROVEMENT WHICH COMPRISES ESTABLISHING A FLUIDIZED BED OF SAID MATERIAL IN A RISING GASEOUS STREAM COMPRISING CHLORINE WHEREBY TO CHLORINATE THE MATERIAL, SAID BED HAVING A BOTTOM PORTION WHICH IS INCLINED FROM THE HORIZONTAL, INTRODUCING CHLORINE INTO THE BED THROUGH SAID BOTTOM PORTION AT A PLURALITY OF SPACED POINTS DISPOSED THROUGHOUT THE BOTTOM PORTION, REMOVING SOLIDS FROM SAID BED THROUGH SAID BOTTOM AT A POINT BELOW SAID POINTS OF CHLORINE INTRODUCTION, AND FEEDING SAID MATERIAL INTO SAID BED AT A POINT ABOVE THE POINT AT WHICH SAID GASEOUS STREAM CAUSES
Claim 2
Dependent Claim
119 words
IN THE FLUID BED EXOTHERMIC CHLORINATION OF TITANIUMBEARING MATERIAL CONTAINING ALKALINE EARTH METAL IMPURITY AND AT LEAST 10 PERCENT BY WEIGHT OF TITANIUM WHEREIN AGGLOMERATE FORMATION IS ENCOUUNTERED, THE IMPROVEMENT WHICH COMPRISES ESTABLISHING A FLUIDIZED BED OF SAID MATERIAL IN A RISING GASEOUS STREAM COMPRISING CHLORINE WHEREBY TO CHLORINATE THE MATERIAL, SAID BED HAVING A BOTTOM PORTION WHICH IS INCLINED FROM THE HORIZONTAL, INTRODUCING CHLORINE INTO THE BED THROUGH SAID BOTTOM PORTION AT A PLURALITY OF SPACED POINTS DISPOSED THROUGHOUT THE BOTTOM PORTION, REMOVING SOLIDS FROM SAID BED THROUGH SAID BOTTOM AT A POINT BELOW SAID POINTS OF CHLORINE INTRODUCTION, AND FEEDING SAID MATERIAL INTO SAID BED AT A POINT ABOVE THE POINT AT WHICH SAID GASEOUS STREAM CAUSES
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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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |