US3399175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing polymers of ethylenic boron and ethylenic aluminum compounds
Assignee: Dal Mon Research Co
•
Filing: 1965-05-11
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Granted: 1968-08-27
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Expires: 1985-05-11
Abstract
No abstract record available.
Inventors
- 👤 Alelio Gaetano F D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:41
CPC Classifications
C; C08; C08F; C08F30/00; C08F30/04; C08F30/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A PROCESS FOR THE PREPARATION OF A METAL-CONTAINING POLYMER COMPRISING THE STEP OF POLYMERIZING AN ALKENYL METAL-CONTAINING COMPOUND HAVING A FORMULA SELECTED FROM THE CLASS CONSISTING OF
Claim 2
Dependent Claim
27 words
A PROCESS FOR THE PREPARATION OF A METAL-CONTAINING POLYMER COMPRISING THE STEP OF POLYMERIZING AN ALKENYL METAL-CONTAINING COMPOUND HAVING A FORMULA SELECTED FROM THE CLASS CONSISTING OF
References Cited (Backward Citations)
US2921954A
Cited
US3010985A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |