Patent US3098883A successfully refreshed from Google Patents.
US3098883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for carrying out chemical reactions at high temperatures
Assignee: Hoechst AG
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Filing: 1959-02-24
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Granted: 1963-07-23
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Expires: 1979-02-24
Abstract
No abstract record available.
Inventors
- 👤 Heuse Otto
- 👤 Fischer Werner
- 👤 Horn Friedrich
- 👤 Wimmer Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:45
CPC Classifications
B; B01; B01J; B01J12/00; B01J12/005; B01J19/00; B01J19/24; B01J19/2405; C; C07; C07C; C07C4/00; C07C4/02; C07C4/04; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00157; Y; Y10; Y10S; Y10S585/00; Y10S585/919; Y10S585/921; Y10S585/922; Y10S585/923; Y10S585/949; Y10S585/953
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
IN A PROCESS FOR THE PYROLYSIS OF ALIPHATIC HYDROCARBONS BY CONTINUOUSLY FORMING A STREAM OF HOT COMBUSTION GAS IN A COMBUSTION ZONE, CONTACTING SAID COMBUSTION GAS FOR A SHORT TIME WITH AN ATOMIZED ALIPHATIC HYDROCARBON FOR PYROLYSIS THEREOF TO YIELD C2- TO C4-UNSATURATED HYDROCARBONS HAVING LESS HYDROGEN IN THE MOLECULE THAN THE STARTING MATERIAL, AND CHILLING THE EFFLUENT MIXTURE OF PYROLYZED HYDROCARBON AND COMBUSTION GAS, THE IMPROVEMENT WHICH COMPRISES INTRODUCING INTO THE COMBUSTION ZONE AN
Claim 2
Dependent Claim
75 words
IN A PROCESS FOR THE PYROLYSIS OF ALIPHATIC HYDROCARBONS BY CONTINUOUSLY FORMING A STREAM OF HOT COMBUSTION GAS IN A COMBUSTION ZONE, CONTACTING SAID COMBUSTION GAS FOR A SHORT TIME WITH AN ATOMIZED ALIPHATIC HYDROCARBON FOR PYROLYSIS THEREOF TO YIELD C2- TO C4-UNSATURATED HYDROCARBONS HAVING LESS HYDROGEN IN THE MOLECULE THAN THE STARTING MATERIAL, AND CHILLING THE EFFLUENT MIXTURE OF PYROLYZED HYDROCARBON AND COMBUSTION GAS, THE IMPROVEMENT WHICH COMPRISES INTRODUCING INTO THE COMBUSTION ZONE AN
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) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |