Patent US4044125A successfully refreshed from Google Patents.
US3267162A
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US
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Fluid bed oxychlorination of aliphatic hydrocarbons and partially chlorinated aliphatic hydrocarbons
Assignee: PPG Industries Inc
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Filing: 1963-02-13
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Granted: 1966-08-16
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Expires: 1983-02-13
Abstract
No abstract record available.
Inventors
- 👤 Lester E Bohl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:37
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/093; C07C17/15; C07C17/152
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
IN A METHOD OF PREPARING CHLORINATED HYDROCARONS IN A BED OF OXYCHLORINATION CATALYST PARTICLES MAINTAINED AT A TEMPERATURE BETWEEN 570*F. AND 930*F. BY REACTING IN SAID BED A MEMBER OF THE GROUP CONSISTING OF CHLORINE, HCI AND MIXTURES OF CHLORINE AND HCI WITH OXYGEN AND A MEMBER OF THE GROUP CONSISTING OF LOWER ALIPHATIC HYDROCARBONS CONTAINING FROM 1 TO 4 CARBON ATOMS AND PARTIALLY CHLORINATED DERIVATIVES THEREOF, THE IMPROVEMENT COMPRISING INTRODUCING SAID MEMBERS OF SAID GROUPS INTO THE LOWER PART OF SAID BED, INTRODUCING OXYGEN INTO THE BED AT AN INTERMEDIATE LEVEL AND ABOVE
Claim 2
Dependent Claim
94 words
IN A METHOD OF PREPARING CHLORINATED HYDROCARONS IN A BED OF OXYCHLORINATION CATALYST PARTICLES MAINTAINED AT A TEMPERATURE BETWEEN 570*F. AND 930*F. BY REACTING IN SAID BED A MEMBER OF THE GROUP CONSISTING OF CHLORINE, HCI AND MIXTURES OF CHLORINE AND HCI WITH OXYGEN AND A MEMBER OF THE GROUP CONSISTING OF LOWER ALIPHATIC HYDROCARBONS CONTAINING FROM 1 TO 4 CARBON ATOMS AND PARTIALLY CHLORINATED DERIVATIVES THEREOF, THE IMPROVEMENT COMPRISING INTRODUCING SAID MEMBERS OF SAID GROUPS INTO THE LOWER PART OF SAID BED, INTRODUCING OXYGEN INTO THE BED AT AN INTERMEDIATE LEVEL AND ABOVE
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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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |