US2832754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkoxysilylpropylamines
Assignee: Union Carbide Corp
•
Filing: 1955-01-21
•
Granted: 1958-04-29
•
Expires: 1975-01-21
Abstract
No abstract record available.
Inventors
- 👤 Victor B Jex
- 👤 Donald L Bailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:31
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/22; C08G77/26; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C07F7/18; C07F7/1804; C07F7/21
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
1 words
TRIETHOXYSILYLPROPYLAMINE.
Claim 2
Dependent Claim
1 words
TRIETHOXYSILYLPROPYLAMINE.
Claim 3
Dependent Claim
5 words
AN AMINOPROPYLPOLYSILOXANE HAVING THE FORMULA:
Claim 4
Dependent Claim
5 words
AN AMINOPROPYLPOLYSILOXANE HAVING THE 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) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |