US2907782A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organosilicon ureas and processes for producing the same
Assignee: Union Carbide Corp
•
Filing: 1956-10-12
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Granted: 1959-10-06
•
Expires: 1976-10-12
Abstract
No abstract record available.
Inventors
- 👤 Ronald M Pike
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:02
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/38; C08G77/382; C08G77/388; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
20 words
PROCESS FOR THE PRODUCTION OF UREYLENE-CONTAINING SILICON COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF SILANES REPRESENTED BY THE GENERAL FORMULA:
Claim 2
Dependent Claim
20 words
PROCESS FOR THE PRODUCTION OF UREYLENE-CONTAINING SILICON COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF SILANES REPRESENTED BY THE GENERAL FORMULA:
Claim 3
Dependent Claim
15 words
UREYLENE-CONTAINING SILICON COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF SILANES REPRESENTED BY THE GENERAL FORMULA:
Claim 4
Dependent Claim
15 words
UREYLENE-CONTAINING SILICON COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF SILANES REPRESENTED BY THE GENERAL FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |