US3036016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst for polymerization of olefins
Assignee: Standard Oil Co
•
Filing: 1958-03-27
•
Granted: 1962-05-22
•
Expires: 1978-03-27
Abstract
No abstract record available.
Inventors
- 👤 Leon B Gordon
- 👤 Truman P Moote
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:07
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/26; C07C2/30; C08; C08F; C08F10/00; C07C2527/00; C07C2527/06; C07C2527/135; C07C2531/00; C07C2531/02; C07C2531/12; C07C2531/14; C07C2531/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A CATALYST FOR THE POLYMERIZATION OF OLEFINIC HYDROCARBONS COMPRISING ESSENTIALLY TIN HALIDE AND A MEMBER SELECTED FROM THE GROUP CONSISTING OF AN ALKALI METAL ALUMINUM HYDRIDE, TRIALKYL ALUMINUM, ALKYL MAGNESIUM HALIDE AND ARYL MAGNESIUM HALIDE, SAID TIN HALIDE AND SAID MEMBER SELECTED FROM SAID GROUP BEING PRESENT IN RESPECTIVE MOLAR RATIOS OF FROM 5:1 TO 1:5.
Claim 2
Dependent Claim
56 words
A CATALYST FOR THE POLYMERIZATION OF OLEFINIC HYDROCARBONS COMPRISING ESSENTIALLY TIN HALIDE AND A MEMBER SELECTED FROM THE GROUP CONSISTING OF AN ALKALI METAL ALUMINUM HYDRIDE, TRIALKYL ALUMINUM, ALKYL MAGNESIUM HALIDE AND ARYL MAGNESIUM HALIDE, SAID TIN HALIDE AND SAID MEMBER SELECTED FROM SAID GROUP BEING PRESENT IN RESPECTIVE MOLAR RATIOS OF FROM 5:1 TO 1:5.
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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) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |