US3127433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1, 1-bis(trifluoromethyl) ethyl silanes and siloxanes
Assignee: Dow Silicones Corp
•
Filing: 1958-07-16
•
Granted: 1964-03-31
•
Expires: 1978-07-16
Abstract
No abstract record available.
Inventors
- 👤 Tarrant Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:48
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12; C07F7/0834; C07F7/0838; C07F7/21; C08; C08G; C08G77/00; C08G77/04; C08G77/22; C08G77/24; C10; C10M; C10M3/00; C10M2227/00; C10M2227/04; C10N; C10N2040/00; C10N2040/08
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
33 words
AN ORGANOSILOXANE CONSISTING ESSENTIALLY OF POLYMERIC UNITS OF THE FORMULA (F3C)2-CH-CH2-SI(-R(Z))-O((3-Z)/2) WHERE R IS A MONOVALENT HYDROCARABON RADICAL FREE OF ALIPHATIC UNSATURATION, AND Z IS AN INTEGER OF FROM 0 TO 2 INCLUSIVE.
Claim 4
Dependent Claim
33 words
AN ORGANOSILOXANE CONSISTING ESSENTIALLY OF POLYMERIC UNITS OF THE FORMULA (F3C)2-CH-CH2-SI(-R(Z))-O((3-Z)/2) WHERE R IS A MONOVALENT HYDROCARABON RADICAL FREE OF ALIPHATIC UNSATURATION, AND Z IS AN INTEGER OF FROM 0 TO 2 INCLUSIVE.
References Cited (Backward Citations)
US2894969A
Cited
US2934515A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |