US3829455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aryl ketone containing organosilicon materials
Assignee: Individual
•
Filing: 1973-03-14
•
Granted: 1974-08-13
•
Expires: 1993-03-14
Abstract
Abstract ONE CLASS OF ORGANOSILICON MATERIALS ARE PROVIDED HAVING CHEMICALLY COMBINED. *SI-R"-CO-Q UNITS, WHERE R" IS A DIVALENT HYDROCARBON RADICAL AND Q IS A RADICAL SELECTED FROM ARYLOXYARYL, ARYLTHIOANYL, ARYLSULFONYLARYL, AND CERTAIN HETEROAROMATIC RADICALS. IN ADDITION, ORGANOSILICON POLYMERS AND COPOLYMERS ARE PROVIDED HAVING CHEMICALLY COMBINED. UNITS, WHERE Q'' IS A RADICAL SELECTED FROM Q RADICALS, NONVALENT AROMATIC HYDROCARBON RADICALS AND HALOGENATED MONOVALENT AROMATIC HYDROCARBON RADICALS. THE MONOMERS AND POLYMERS CAN BE EMPLOYED AS PERFUM OIL BASES, IN COSMETICS AND AS FLUIDS IN THE MANUFACTURE OF ELASTOMERS AND RESINS. *SI-R"-CO-Q''
Inventors
- 👤 E Wilkus
- 👤 A Berger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:58
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/84; A61K8/89; A61K8/891; A61K8/893; A61Q; A61Q13/00; A61Q19/00; C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0803; C07F7/081; C07F7/0812; C07F7/0834; C07F7/0838; C07F7/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1977-08-12 | 1978-02-11 | 1978-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-12 | 1982-02-11 | 1982-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-12 | 1986-02-11 | 1986-08-13 | $7700.00 | Window Closed / Lapsed |