US3327015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Olefin dimerization by nickel compounds
Assignee: Shell USA Inc
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Filing: 1964-03-24
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Granted: 1967-06-20
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Expires: 1984-03-24
Abstract
No abstract record available.
Inventors
- 👤 Ernst L Th M Spitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:21
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/02; B01J31/0215; B01J31/0225; B01J31/0201; B01J31/0211; B01J31/0212; B01J31/04; B01J31/12; B01J31/14; B01J31/143; B01J31/16; B01J31/22; B01J31/2204; B01J31/2208; C; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/26; C07C2/30; B01J2531/00; B01J2531/80; B01J2531/84; B01J2531/847; B01J31/0222; C07C2531/00; C07C2531/02; C07C2531/025; C07C2531/04; C07C2531/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
THE PROCESS FOR CONVERTING AN ALPHA-MONOOLEFINIC HYDROCARBON TO A REACTION PRODUCT CONSISTING ESSENTIALLY OF DIMERS OF SAID OLEFINIC HYDROCARBON WHICH CONSISTS OF CONTACTING SAID OLEFINIC HYDROCARBON IN LIQUID PHASE AT A TEMPERATURE OF FROM ABOUT -20 TO ABOUT +40*C. IN THE PRESENCE OF AN ORGANIC SOLVENT, WITH A CATALYST COMPOSITION CONSISTING ESSENTIALLY OF A NICKEL-COMPLEX HAVING THE FORMULA:
Claim 2
Dependent Claim
58 words
THE PROCESS FOR CONVERTING AN ALPHA-MONOOLEFINIC HYDROCARBON TO A REACTION PRODUCT CONSISTING ESSENTIALLY OF DIMERS OF SAID OLEFINIC HYDROCARBON WHICH CONSISTS OF CONTACTING SAID OLEFINIC HYDROCARBON IN LIQUID PHASE AT A TEMPERATURE OF FROM ABOUT -20 TO ABOUT +40*C. IN THE PRESENCE OF AN ORGANIC SOLVENT, WITH A CATALYST COMPOSITION CONSISTING ESSENTIALLY OF A NICKEL-COMPLEX HAVING THE FORMULA:
References Cited (Backward Citations)
US3096385A
Cited
US3271468A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |