US3049407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of boron alkyls and of highly active aluminium oxide
Assignee: Studiengesellschaft Kohle gGmbH
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Filing: 1958-09-30
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Granted: 1962-08-14
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Expires: 1978-09-30
Abstract
No abstract record available.
Inventors
- 👤 Koster Roland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:00
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/02; C07F5/027; C01; C01F; C01F7/00; C01F7/02; C01F7/34; C01F7/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
PROCESS FOR THE CONTINUOUS PRODUCTION OF BORON ALKYLS AND ACTIVE ALIMINIUM OXIDE WHICH COMPRISES SUBSTANTIALLY CONTINUOUSLY PASSING AN ALKYL BOROXOL AND A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALUMINIUM TRIALKYL, ALUMINUM DIALKYLHYDRIDES AND MIXTURES THEREOF INTO A FRIST REACTION ZONE, REACTING SAID ALKYL BOROXOL AND SAID GROUP MEMBER IN SAID FRIST REACTION ZONE AT A TEMPERATURE BELOW 100 DEGREES C. IN THE PRESENCE OF A SOLVENT SELECTED FROM THE GROUP CONSISTING OF SATURATED ALIPHATIC HYDROCARBONS, AROMATIC HYDROCARBONS, ETHERS, AMINES, AND BORON ALKYLS WHEREIN WHEN SAID SOLVENT IS A BORON ALKYL, THE SAME IS INITIALLY PRESENT IN AMOUNT SUFFICIENT
Claim 2
Dependent Claim
99 words
PROCESS FOR THE CONTINUOUS PRODUCTION OF BORON ALKYLS AND ACTIVE ALIMINIUM OXIDE WHICH COMPRISES SUBSTANTIALLY CONTINUOUSLY PASSING AN ALKYL BOROXOL AND A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALUMINIUM TRIALKYL, ALUMINUM DIALKYLHYDRIDES AND MIXTURES THEREOF INTO A FRIST REACTION ZONE, REACTING SAID ALKYL BOROXOL AND SAID GROUP MEMBER IN SAID FRIST REACTION ZONE AT A TEMPERATURE BELOW 100 DEGREES C. IN THE PRESENCE OF A SOLVENT SELECTED FROM THE GROUP CONSISTING OF SATURATED ALIPHATIC HYDROCARBONS, AROMATIC HYDROCARBONS, ETHERS, AMINES, AND BORON ALKYLS WHEREIN WHEN SAID SOLVENT IS A BORON ALKYL, THE SAME IS INITIALLY PRESENT IN AMOUNT SUFFICIENT
References Cited (Backward Citations)
US2853526A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |