Patent US3149174A successfully refreshed from Google Patents.
US3149174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of oligomers of 1, 3-dienes
Assignee: BASF SE
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Filing: 1962-12-21
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Granted: 1964-09-15
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Expires: 1982-12-21
Abstract
No abstract record available.
Inventors
- 👤 Mueller Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:49
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/38; C07C2/40; C07C2/403; C07C2/406; C07C2/42; C07C2/44; C07C2/46; C07C2521/00; C07C2521/02; C07C2527/00; C07C2527/06; C07C2527/125; C07C2527/128; C07C2527/135; C07C2531/00; C07C2531/02; C07C2531/12; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/946; Y10S585/949; Y10S585/952
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
51 words
A PROCESS FOR THE PRODUCTION OF OLIGOMERS OF 1,3DIENES WHICH COMPRISES ADDING A 1,3-DIENE TO A CATALYST SYSTEM FORMED BY MIXING (A) A COMPOUND SELECTED FROM THE CLASS CONSISTING OF IRON (III) HALIDES, TITANIUM (IV) ACID ESTERS, TITANIUM TRIHALIDES, TITANIUM TETRAHALIDES, TITANIUM ESTER HALIDES AND ORGANO-TITANIUM HALIDES; AND (B) METALLIC ALUMINUM.
Claim 2
Dependent Claim
51 words
A PROCESS FOR THE PRODUCTION OF OLIGOMERS OF 1,3DIENES WHICH COMPRISES ADDING A 1,3-DIENE TO A CATALYST SYSTEM FORMED BY MIXING (A) A COMPOUND SELECTED FROM THE CLASS CONSISTING OF IRON (III) HALIDES, TITANIUM (IV) ACID ESTERS, TITANIUM TRIHALIDES, TITANIUM TETRAHALIDES, TITANIUM ESTER HALIDES AND ORGANO-TITANIUM HALIDES; AND (B) METALLIC ALUMINUM.
Claim 3
Dependent Claim
130 words
A PROCES FOR THE PRODUCTION OF OLIGOMERS OF 1,3DIENE WHICH COMPRISES ADDING A 1,3-DIENE TO A CATALYSST SYSTEM FORMED BY MIXING (A) A COMPOUND SELECTED FROM THE CLASS CONSISTING OF IRON (III) HALIDES, TITANIUM (IV) ACID ESTERS, TITANIUM TRIHALIDES, TITANIUM TETRAHALIDES, TITANIUM ESTER HALIDES AND ORGANO-TITANIUM HALIDES; (B) AT LEAST ONE METAL SELECTED FROM THE CLASS CONSISTING OF METALS OF GROUPS IA, IIA, IIB, IIIA, IIIB, IVA, IVB, VB AND VIIB OF THE PERIODIC SYSTEM OF THE ELEMENTS; AND (C) AT LEAST ONE HALIDE OF AN ELEMENT SELECTED FROM THE CLASS CONSISTING OF THE ELEMENTS OF GROUPS IIB, IIIA, IVA AND VA OF THE PERIODIC SYSTEM OF THE ELEMENTS; AT LEAST ONE OF THE COMPONENTS (B) AND (C) BEING SELECTED FROM THE CLASS CONSISTING OF METALLIC ALUMINUM AND ALUMINUM HALIDE.
Claim 4
Dependent Claim
130 words
A PROCES FOR THE PRODUCTION OF OLIGOMERS OF 1,3DIENE WHICH COMPRISES ADDING A 1,3-DIENE TO A CATALYSST SYSTEM FORMED BY MIXING (A) A COMPOUND SELECTED FROM THE CLASS CONSISTING OF IRON (III) HALIDES, TITANIUM (IV) ACID ESTERS, TITANIUM TRIHALIDES, TITANIUM TETRAHALIDES, TITANIUM ESTER HALIDES AND ORGANO-TITANIUM HALIDES; (B) AT LEAST ONE METAL SELECTED FROM THE CLASS CONSISTING OF METALS OF GROUPS IA, IIA, IIB, IIIA, IIIB, IVA, IVB, VB AND VIIB OF THE PERIODIC SYSTEM OF THE ELEMENTS; AND (C) AT LEAST ONE HALIDE OF AN ELEMENT SELECTED FROM THE CLASS CONSISTING OF THE ELEMENTS OF GROUPS IIB, IIIA, IVA AND VA OF THE PERIODIC SYSTEM OF THE ELEMENTS; AT LEAST ONE OF THE COMPONENTS (B) AND (C) BEING SELECTED FROM THE CLASS CONSISTING OF METALLIC ALUMINUM AND ALUMINUM HALIDE.
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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |