US3296319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Particle size control in fluidized oxychlorination reaction
Assignee: PPG Industries Inc
•
Filing: 1965-10-22
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Granted: 1967-01-03
•
Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Lester E Bohl
- 👤 Raymond M Vancamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:53
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/093; C07C17/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN A PROCESS FOR THE OXYCHORINATION OF ALIPHATIC HYDROCARBONS CONTAINING FROM 1 TO 4 CARBON ATOMS AND THEIR INCOMPLETELY CHLORINATED DERIVATIVES, COMPRISING REACTING THE MATERIAL TO BE CHLORINATED, OXYGEN AND A CHLORINATING AGENT SELECTED FROM THE GROUP CONSISTING OF HCL AND CL2 AND MIXTURES OF HCL AND CL2 IN A FLUIDIZED BED OF OXYCHLORINATION CATALYST PARTICLES MAINTAINED AT AN ELEVATED TEMPERATURE THE IMPROVEMENT COMPRISING REGULATING THE PARTICLE SIZE DISTRIBUTION OF THE CATALYST PARTICLES CONTAINED WITHIN THE FLUIDIZED BED DURING THE REACTION TO PROVIDE IN THE BED AT LEAST 75 PERCENT BY WEIGHT OF THE CATALYST PARTICLES IN DISTRIBUTION OF SIZES RANGING BETWEEN 30 TO 60 MESH, SAID PARTICLES CONTAINING AT LEAST 10 PERCENT BY WEIGHT OF THE PARTICLES IN THE RANGE OF 50 TO 60 MESH.
Claim 2
Dependent Claim
126 words
IN A PROCESS FOR THE OXYCHORINATION OF ALIPHATIC HYDROCARBONS CONTAINING FROM 1 TO 4 CARBON ATOMS AND THEIR INCOMPLETELY CHLORINATED DERIVATIVES, COMPRISING REACTING THE MATERIAL TO BE CHLORINATED, OXYGEN AND A CHLORINATING AGENT SELECTED FROM THE GROUP CONSISTING OF HCL AND CL2 AND MIXTURES OF HCL AND CL2 IN A FLUIDIZED BED OF OXYCHLORINATION CATALYST PARTICLES MAINTAINED AT AN ELEVATED TEMPERATURE THE IMPROVEMENT COMPRISING REGULATING THE PARTICLE SIZE DISTRIBUTION OF THE CATALYST PARTICLES CONTAINED WITHIN THE FLUIDIZED BED DURING THE REACTION TO PROVIDE IN THE BED AT LEAST 75 PERCENT BY WEIGHT OF THE CATALYST PARTICLES IN DISTRIBUTION OF SIZES RANGING BETWEEN 30 TO 60 MESH, SAID PARTICLES CONTAINING AT LEAST 10 PERCENT BY WEIGHT OF THE PARTICLES IN THE RANGE OF 50 TO 60 MESH.
References Cited (Backward Citations)
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Cited
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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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |