Patent US2881184A successfully refreshed from Google Patents.
US2881184A
Expired / Lapsed
US
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Pyrrole-containing organosilicon compounds and process for producing the same
Assignee: Union Carbide Corp
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Filing: 1956-10-12
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Granted: 1959-04-07
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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
2026-10-24 19:32
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/21
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
7 words
AN ORGANOSILICON COMPOUND REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
6 words
AN ORGANOPOLYSILOXANE REPRESENTED BY THE FORMULA
Claim 3
Dependent Claim
3 words
GAMMA (2,5-DIMETHYLPYRROL) PROPYLTRIETHOXYSILANE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |