US3168582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Butadienylmagnesium chloride
Assignee: EIDP Inc
•
Filing: 1962-04-04
•
Granted: 1965-02-02
•
Expires: 1982-04-04
Abstract
No abstract record available.
Inventors
- 👤 Aufdermarsh Carl Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:31
CPC Classifications
C; C07; C07F; C07F3/00; C07F3/02; C07C; C07C1/00; C07C1/32; C07C1/325; C07C1/326
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
THE COMPOUND 1,3-BUTADIEN-2-YLMAGNESIUM CHLORIDE.
Claim 2
Dependent Claim
4 words
THE COMPOUND 1,3-BUTADIEN-2-YLMAGNESIUM CHLORIDE.
References Cited (Backward Citations)
US2072867A
Cited
US3083242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-02 | 1968-08-03 | 1969-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-02 | 1972-08-03 | 1973-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-02 | 1976-08-03 | 1977-02-02 | $7700.00 | Window Closed / Lapsed |