US3046250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organosilicon hydroxyalkyl-amine polymers
Assignee: Dow Silicones Corp
•
Filing: 1957-10-04
•
Granted: 1962-07-24
•
Expires: 1977-10-04
Abstract
No abstract record available.
Inventors
- 👤 Edwin P Plneddemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:38
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/48; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/30; C08G59/306; C08G59/40; C08G59/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
AN ORGANIC ORGANOPOLYSILOXANE COMPOSITION CONTAINING AT LEAST ONE UNIT OF THE FORMULA
Claim 2
Dependent Claim
12 words
AN ORGANIC ORGANOPOLYSILOXANE COMPOSITION CONTAINING AT LEAST ONE UNIT OF 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) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |