US3392203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oligomerization process and catalysts for use in same
Assignee: Columbian Carbon Co
•
Filing: 1966-08-16
•
Granted: 1968-07-09
•
Expires: 1986-08-16
Abstract
No abstract record available.
Inventors
- 👤 Jerome R Olechowski
- 👤 Arthur A Arseneaux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:09
CPC Classifications
B; B01; B01J; B01J37/00; B01J37/16; C; C07; C07C; C07C2/00; C07C2/02; C07C2/42; C07C2/44; C07C2/46; C07C2/465; C07C2527/00; C07C2527/06; C07C2527/128; C07C2531/00; C07C2531/02; C07C2531/12; C07C2531/14; C07C2531/26; C07C2531/28; C07C2531/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
AN OLIGOMERIZATION PROCESS WHICH COMPRISES CONTACTING UNDER SUBSTANTIALLY ANHYDROUS CONDITIONS A MONOMERIC FEED COMPRISING THE ALIPHATIC CONJUGATED DIOLEFIN, BUTADIENE, WITH A CATALYST COMPOSITION COMPRISING THE INTERACTION PRODUCT OF: (A) A NICKEL COMPOUND SELECTED FORM THE GROUP CONSISTING OF NICKEL (II) AND NICKEL (III) COMPOUNDS; (B) A REDUCING AGENT CAPABLE OF REDUCING THE VALENCE OF NICKEL TO LESS THAN 2; AND (C) AN ACYLAMIDO COMPOUND.
Claim 2
Dependent Claim
64 words
AN OLIGOMERIZATION PROCESS WHICH COMPRISES CONTACTING UNDER SUBSTANTIALLY ANHYDROUS CONDITIONS A MONOMERIC FEED COMPRISING THE ALIPHATIC CONJUGATED DIOLEFIN, BUTADIENE, WITH A CATALYST COMPOSITION COMPRISING THE INTERACTION PRODUCT OF: (A) A NICKEL COMPOUND SELECTED FORM THE GROUP CONSISTING OF NICKEL (II) AND NICKEL (III) COMPOUNDS; (B) A REDUCING AGENT CAPABLE OF REDUCING THE VALENCE OF NICKEL TO LESS THAN 2; AND (C) AN ACYLAMIDO COMPOUND.
References Cited (Backward Citations)
US2854458A
Cited
US2809976A
Cited
US2969408A
Cited
US2886591A
Cited
US3238265A
Cited
US3271468A
Cited
US3247270A
Cited
US3326990A
Cited
US3277099A
Cited
US3321546A
Cited
US3296260A
Cited
GB1018369A
Cited
US3352931A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |