Patent US3135809A successfully refreshed from Google Patents.
US3135809A
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US
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Isomerization process
Assignee: Southern Research Institute
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Filing: 1960-07-21
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Granted: 1964-06-02
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Expires: 1980-07-21
Abstract
No abstract record available.
Inventors
- 👤 Bosmajian George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:35
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/35; C07C17/358; B; B01; B01J; B01J31/00; B01J31/02; B01J31/12; B01J31/14; B01J31/143; B01J31/26; C07C5/00; C07C5/22; C07C5/27; C07C5/2702; C07C5/2727; B01J2231/00; B01J2231/50; B01J2231/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A PROCESS OF ISOMERIZING A MEMBER SELECTED FROM THE GROUP CONSISTING OF A POLYALKYL SUBSTITUTED BENZENE, A POLYHALOGEN SUBSTITUTED BENZENE, A POLYHALOGENALKYL SUBSTITUTED BENZENE, A POLYARYL SUBSTITUTED BENZENE AND AN ALKYL SUBSTITUTED NAPHTHALENE, THE IMPROVEMENT OF EFFECTING SAID ISOMERIZATION IN A REACTION MIXTURE CONSISTING ESSENTIALLY OF AN ANTECEDENTLY FORMED CATALYST SYSTEM COMPRISING THE INTERACTION PRODUCT OF (1) A TRANSITION METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF HALIDES, OXYHALIDES, CHELATES OF BETA-KETONES, AND ALCOHOATES OF SAID TRANSITION METAL AND (2) A NON-TRANSITION METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF ORGANOMETALLIC, ORGANOMETALLIC HALIDE, METAL HYDRIDE, COMPLEX METALLIC HYDRIDES AND COMPLEX ORGANOMETALLIC HYDRIDES OF SAID NON-TRANSITION METALS AND THE ILSOMERIZABLE MATERIAL, SAID ISOMERIZATION STEP BEING SEQUENTIALLY FOLLOWED BY THE STEPS OF DECOMPOSING THE CATALYST SYSTEM AND RECOVERING THE ISOMERIZED HYDROCARBON.
Claim 2
Dependent Claim
129 words
A PROCESS OF ISOMERIZING A MEMBER SELECTED FROM THE GROUP CONSISTING OF A POLYALKYL SUBSTITUTED BENZENE, A POLYHALOGEN SUBSTITUTED BENZENE, A POLYHALOGENALKYL SUBSTITUTED BENZENE, A POLYARYL SUBSTITUTED BENZENE AND AN ALKYL SUBSTITUTED NAPHTHALENE, THE IMPROVEMENT OF EFFECTING SAID ISOMERIZATION IN A REACTION MIXTURE CONSISTING ESSENTIALLY OF AN ANTECEDENTLY FORMED CATALYST SYSTEM COMPRISING THE INTERACTION PRODUCT OF (1) A TRANSITION METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF HALIDES, OXYHALIDES, CHELATES OF BETA-KETONES, AND ALCOHOATES OF SAID TRANSITION METAL AND (2) A NON-TRANSITION METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF ORGANOMETALLIC, ORGANOMETALLIC HALIDE, METAL HYDRIDE, COMPLEX METALLIC HYDRIDES AND COMPLEX ORGANOMETALLIC HYDRIDES OF SAID NON-TRANSITION METALS AND THE ILSOMERIZABLE MATERIAL, SAID ISOMERIZATION STEP BEING SEQUENTIALLY FOLLOWED BY THE STEPS OF DECOMPOSING THE CATALYST SYSTEM AND RECOVERING THE ISOMERIZED HYDROCARBON.
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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) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |