US3382292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for dimerization of lower olefins having internal double bonds
Assignee: Montedison SpA
•
Filing: 1964-01-23
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Granted: 1968-05-07
•
Expires: 1984-01-23
Abstract
No abstract record available.
Inventors
- 👤 Endler Harry
- 👤 Facchini Fausto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:28
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/26; C07C2/30; C07C2521/00; C07C2521/02; C07C2521/04; C07C2521/06; C07C2521/08; C07C2521/16; C07C2531/00; C07C2531/02; C07C2531/12; C07C2531/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A PROCESS FOR DIMERIZATION OF MONO-OLELFINS HAVING INTERNAL DOUBLE BONDS OF DIMERS OF THE CORRESPONDING ALPHA-OLEFINS, WHICH COMPRISES CONTACTING SAID MONO-OLEFINS WITH A CATALYST CONSISTNG ESSENTIALLY OF ALUMINUM ALKYL COMPOUNDS AND A BRONSTED-LELWIS ACID CO-CATALYST SELECTED FROM THE GROUP CONSISTING OF NATURAL AND ARTIFICIAL ALUMINUM SILICATES, ALUMINUM OXIDE, NATURAL AND ARTICIAL SILICON OXIDES, DECOLORING CLAY, BAUXITE AND SILICA GEL, SAID CO-CATALYST BEING IN THE RATION BETWEEN 1% AND 20% BY WEIGHT WITH RESPECT TO SAID ALUMINUM ALKYL COMPOUNDS.
Claim 2
Dependent Claim
78 words
A PROCESS FOR DIMERIZATION OF MONO-OLELFINS HAVING INTERNAL DOUBLE BONDS OF DIMERS OF THE CORRESPONDING ALPHA-OLEFINS, WHICH COMPRISES CONTACTING SAID MONO-OLEFINS WITH A CATALYST CONSISTNG ESSENTIALLY OF ALUMINUM ALKYL COMPOUNDS AND A BRONSTED-LELWIS ACID CO-CATALYST SELECTED FROM THE GROUP CONSISTING OF NATURAL AND ARTIFICIAL ALUMINUM SILICATES, ALUMINUM OXIDE, NATURAL AND ARTICIAL SILICON OXIDES, DECOLORING CLAY, BAUXITE AND SILICA GEL, SAID CO-CATALYST BEING IN THE RATION BETWEEN 1% AND 20% BY WEIGHT WITH RESPECT TO SAID ALUMINUM ALKYL COMPOUNDS.
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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) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |