US2515857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compounds having a carboxyalkylthio or a carbalkoxyalkylthio group bonded to siliconthrough hydrocarbon
Assignee: EIDP Inc
•
Filing: 1946-11-26
•
Granted: 1950-07-18
•
Expires: 1966-11-26
Abstract
No abstract record available.
Inventors
- 👤 Burke William James
- 👤 Hoffman William August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:45
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0803; C07F7/081
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
AN ORGANIC SILICON COMPOUND CONTAINING, BONDED TO THE SILICON ATOM THROUGH A BIVALENT SATURATED ALIPHATIC HYDROCARBON RADICAL OF 2-18 CARBON ATOMS, A GROUP OF THE CLASS CONSISTING OF CARBOXYALKYTHIO AND CARBALKOXYALKYLTHIO GROUPS, SAID SILICON COMPOUND BEING SELECTED FROM THE CLASS CONSISTING OF MONOSILICON COMPOUNDS EACH REMAINING VALENCE OF WHICH IS SATISFIED BY A HYDROCARBON RADICAL OF UP TO EIGHTEEN CARBON ATOMS AND POLYSILOXANES HAVING A CHAIN OF ALTERNATING OXYGEN AND SILICON ATOMS, EACH REMAINING EXTRACATENIC VALENCE OF THE SILICON ATOMS OF THE POLYSILOXANE CHAIN BEING SATISFIED BY HYDROCARBON RADICALS OF UP TO EIGHTEEN CARBON ATOMS.
Claim 2
Dependent Claim
95 words
AN ORGANIC SILICON COMPOUND CONTAINING, BONDED TO THE SILICON ATOM THROUGH A BIVALENT SATURATED ALIPHATIC HYDROCARBON RADICAL OF 2-18 CARBON ATOMS, A GROUP OF THE CLASS CONSISTING OF CARBOXYALKYTHIO AND CARBALKOXYALKYLTHIO GROUPS, SAID SILICON COMPOUND BEING SELECTED FROM THE CLASS CONSISTING OF MONOSILICON COMPOUNDS EACH REMAINING VALENCE OF WHICH IS SATISFIED BY A HYDROCARBON RADICAL OF UP TO EIGHTEEN CARBON ATOMS AND POLYSILOXANES HAVING A CHAIN OF ALTERNATING OXYGEN AND SILICON ATOMS, EACH REMAINING EXTRACATENIC VALENCE OF THE SILICON ATOMS OF THE POLYSILOXANE CHAIN BEING SATISFIED BY HYDROCARBON RADICALS OF UP TO EIGHTEEN CARBON ATOMS.
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) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |