US2567110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organopolysiloxanes prepared by the reaction of salts of silanols with halosilanes
Assignee: Corning Glass Works
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Filing: 1947-07-12
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Granted: 1951-09-04
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Expires: 1967-07-12
Abstract
No abstract record available.
Inventors
- 👤 Hyde James Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:25
CPC Classifications
C; C08; C08G; C08G77/00; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C07F7/0872; C07F7/0874; Y; Y10; Y10S; Y10S8/00; Y10S8/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
THE METHOD OF PREPARING ORGANOLILOXANE MATERIALS WHICH COMPRISES REACTING AN ALKALI METAL SALT OF AN ORGANO SILANOL, IN WHICH THE ORGANIC RADICALS ARE MONOVALENT HYDROCARBON RADICALS FREE OF ALIPHATIC UNSATURATION AND ARE LINKED TO THE SILICON BY CARBON TO SILICON BONDS, WITH A SILICON HALIDE IN WHICH ANY ORGANIC RADICALS PRESENT THEREIN ARE MONOVALENT HYDROCARBON RADICALS FREE OF ALIPHATIC UNSATURATION AND ARE LINKED TO THE SILICON BY CARBON TO SILICON BONDS, WHEREBY A SILOXANE IS PRODUCED IN WHICH THE SILICON OF THE SILANOL IS LINKED TO THE SILICON OF THE SILICON HALIDE THROUGH AN OXYGEN ATOM.
Claim 2
Independent Claim
96 words
THE METHOD OF PREPARING ORGANOLILOXANE MATERIALS WHICH COMPRISES REACTING AN ALKALI METAL SALT OF AN ORGANO SILANOL, IN WHICH THE ORGANIC RADICALS ARE MONOVALENT HYDROCARBON RADICALS FREE OF ALIPHATIC UNSATURATION AND ARE LINKED TO THE SILICON BY CARBON TO SILICON BONDS, WITH A SILICON HALIDE IN WHICH ANY ORGANIC RADICALS PRESENT THEREIN ARE MONOVALENT HYDROCARBON RADICALS FREE OF ALIPHATIC UNSATURATION AND ARE LINKED TO THE SILICON BY CARBON TO SILICON BONDS, WHEREBY A SILOXANE IS PRODUCED IN WHICH THE SILICON OF THE SILANOL IS LINKED TO THE SILICON OF THE SILICON HALIDE THROUGH AN OXYGEN ATOM.
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) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |