Patent US3065061A successfully refreshed from Google Patents.
US3065061A
Expired / Lapsed
US
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Oxidation apparatus
Assignee: Chemische Werke Witten GmbH
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Filing: 1959-03-09
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Granted: 1962-11-20
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Expires: 1979-03-09
Abstract
No abstract record available.
Inventors
- 👤 Fett Willi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:04
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/16; C07C51/21; C07C51/255; C07C51/265; B; B01; B01J; B01J10/00; B01J19/00; B01J19/0006; B01J19/0013; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00076; B01J2219/00081; B01J2219/00087; B01J2219/00094; B01J2219/00182
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
291 words
AN OXIDATION APPARATUS FOR USE IN THE OXIDATION OF ALKYL-SUBSTITUTED AROMATIC HYDROCARBONS HAVING MEANS FOR REMOVING EXOTHERMIC HEAT AND BEING ADAPTED TO OPERATE WITHIN ACCURATELY DEFINED OXIDATION TEMPERATURES WHICH ARE AS LOW AS POSSIBLE WITHOUT THE USE OF A CIRCULATING PUMP, COMPRISING UPRIGHT WALL MEANS FORMING A REACTION CHAMBER HAVING A VERTICAL LONGITUDINAL AXIS, MEANS FOR INTRODUCING LIQUID ALKYL-SUBSTITUTED AROMATIC HYDROCARBONS INTO SAID REACTION CHAMBER, GAS DISTRIBUTOR MEANS POSITIONED ADJACENT ONE END OF SAID REACTION CHAMBER FOR INTRODUCING OXYGEN-CONTAINING GAS INTO SAID REACTION CHAMBER FOR OXIDATION OF THE AROMATIC HYDROCARBONS, MEANS FOR COOLING SAID AROMATIC HYDROCARBONS IN SAID REACTION CHAMBER INCLUDING A PLURALITY OF HEAT-EXCHANGE CONDUITS POSITIONED WITHIN SAID REACTION CHAMBER AND EXTENDING THERETHROUGH APPROXIMATELY IN THE DIRECTION OF SAID LONGITUDINAL AXIS AND COOLING FLUID DISTRIBUTOR MEANS LOCATED EXTERNALLY OF SAID WALL MEANS AT EACH END OF SAID REACTION CHAMBER, THE ENDS OF SAID HEAT-EXCHANGE CONDUITS BEING OPERATIVELY CONNECTED WITH SAID DISTRIBUTOR MEANS FOR THE PASSAGE OF COOLING FLUID THERETHROUGH TO REMOVE THE EXOTHERMIC HEAT OF THE OXIDATION REACTION, RECIRCULATION CONDUIT MEANS LOCATED WITHOUT SAID REACTION CHAMBER ADJACENT SAID UPRIGHT WALL MEANS FOR RECIRCULATING THE OXIDATION PRODUCT, SAID CONDUIT MEANS CONNECTING APPROXIMATELY THE MID-POINT OF SAID REACTION CHAMBER WITH AN END PORTION OF THE CHAMBER BELOW THE GAS-DISTRIBUTOR MEANS AND THE HEAT-EXCHANGE CONDUITS WHEREBY THE INTRODUCTION OF SAID THROUGH SAID GAS DISTRIBUTOR MEANS CAUSES RECIRCULATION OF SAID OXIDATION PRODUCT, AND DEFLECTOR MEANS WITHIN THE REACTION CHAMBER ADJACENT THE CONNECTION OF SAID RE-CIRCULATION CONDUIT MEANS WITH SAID CHAMBER FORMING AN INLET CHAMBER SURROUNDING THE RECIRCULATION CONDUIT MEANS, SAID INLET CHAMBER BEING CLOSED AT THE BOTTOM THEREOF AND OPEN AT THE TOP THEREOF TO ALLOW ESCAPE OF THE GAS CONTAINED INTHE MATERIAL IN SAID INLET CHAMBER AND FACILITATE THE RE-CIRCULATION OF THE MATERIAL.
Claim 2
Dependent Claim
291 words
AN OXIDATION APPARATUS FOR USE IN THE OXIDATION OF ALKYL-SUBSTITUTED AROMATIC HYDROCARBONS HAVING MEANS FOR REMOVING EXOTHERMIC HEAT AND BEING ADAPTED TO OPERATE WITHIN ACCURATELY DEFINED OXIDATION TEMPERATURES WHICH ARE AS LOW AS POSSIBLE WITHOUT THE USE OF A CIRCULATING PUMP, COMPRISING UPRIGHT WALL MEANS FORMING A REACTION CHAMBER HAVING A VERTICAL LONGITUDINAL AXIS, MEANS FOR INTRODUCING LIQUID ALKYL-SUBSTITUTED AROMATIC HYDROCARBONS INTO SAID REACTION CHAMBER, GAS DISTRIBUTOR MEANS POSITIONED ADJACENT ONE END OF SAID REACTION CHAMBER FOR INTRODUCING OXYGEN-CONTAINING GAS INTO SAID REACTION CHAMBER FOR OXIDATION OF THE AROMATIC HYDROCARBONS, MEANS FOR COOLING SAID AROMATIC HYDROCARBONS IN SAID REACTION CHAMBER INCLUDING A PLURALITY OF HEAT-EXCHANGE CONDUITS POSITIONED WITHIN SAID REACTION CHAMBER AND EXTENDING THERETHROUGH APPROXIMATELY IN THE DIRECTION OF SAID LONGITUDINAL AXIS AND COOLING FLUID DISTRIBUTOR MEANS LOCATED EXTERNALLY OF SAID WALL MEANS AT EACH END OF SAID REACTION CHAMBER, THE ENDS OF SAID HEAT-EXCHANGE CONDUITS BEING OPERATIVELY CONNECTED WITH SAID DISTRIBUTOR MEANS FOR THE PASSAGE OF COOLING FLUID THERETHROUGH TO REMOVE THE EXOTHERMIC HEAT OF THE OXIDATION REACTION, RECIRCULATION CONDUIT MEANS LOCATED WITHOUT SAID REACTION CHAMBER ADJACENT SAID UPRIGHT WALL MEANS FOR RECIRCULATING THE OXIDATION PRODUCT, SAID CONDUIT MEANS CONNECTING APPROXIMATELY THE MID-POINT OF SAID REACTION CHAMBER WITH AN END PORTION OF THE CHAMBER BELOW THE GAS-DISTRIBUTOR MEANS AND THE HEAT-EXCHANGE CONDUITS WHEREBY THE INTRODUCTION OF SAID THROUGH SAID GAS DISTRIBUTOR MEANS CAUSES RECIRCULATION OF SAID OXIDATION PRODUCT, AND DEFLECTOR MEANS WITHIN THE REACTION CHAMBER ADJACENT THE CONNECTION OF SAID RE-CIRCULATION CONDUIT MEANS WITH SAID CHAMBER FORMING AN INLET CHAMBER SURROUNDING THE RECIRCULATION CONDUIT MEANS, SAID INLET CHAMBER BEING CLOSED AT THE BOTTOM THEREOF AND OPEN AT THE TOP THEREOF TO ALLOW ESCAPE OF THE GAS CONTAINED INTHE MATERIAL IN SAID INLET CHAMBER AND FACILITATE THE RE-CIRCULATION OF THE MATERIAL.
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) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |