Patent US3536778A successfully refreshed from Google Patents.
US3536778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for dimerization,codimerization,polymerization and copolymerization of mono-olefines
Assignee: Sentralinstitutt for Industriell Forskning
•
Filing: 1967-09-22
•
Granted: 1970-10-27
•
Expires: 1987-09-22
Abstract
No abstract record available.
Inventors
- 👤 Normann Bergem
- 👤 Ulf Blindheim
- 👤 Olav-Torgeir Onsager
- 👤 Hagbarth Wang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:37
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/02; B01J31/12; B01J31/14; B01J31/143; B01J31/16; B01J31/18; B01J31/1805; B01J31/181; B01J31/1815; B01J31/1825; B01J31/183; B01J31/1845; B01J31/185; B01J31/1855; B01J31/1895; B01J31/20; B01J31/22; B01J31/2204; B01J31/226; B01J31/2282; B01J31/2295; B01J31/24; B01J31/2404; B01J31/2409; C; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/26; C07C2/32; C07C2/36; C07F; C07F15/00; C07F15/06; C07F15/065; C07F9/00; C07F9/02; B01J2231/00; B01J2231/10; B01J2231/12; B01J2231/20; B01J2531/00; B01J2531/80; B01J2531/82; B01J2531/822; B01J2531/84; B01J2531/845; B01J2531/847; C07C2531/00; C07C2531/02; C07C2531/12; C07C2531/14; C07C2531/16; C07C2531/20; C07C2531/22
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2969408A
Cited
US3321546A
Cited
US3379706A
Cited
NL6612339A
Cited
US3420904A
Cited
US3390201A
Cited
US3427365A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |