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Patent US2865782A successfully refreshed from Google Patents.
US2865782A
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Method for preparing compounds comprising silicon and oxygen
Assignee: Goodrich Corp
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Filing: 1955-12-22
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Granted: 1958-12-23
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Expires: 1975-12-22
Abstract
No abstract record available.
Inventors
- 👤 Roger W Strassburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:24
CPC Classifications
B; B82; B82Y; B82Y30/00; C; C07; C07F; C07F7/00; C07F7/02; C07F7/025; C08; C08K; C08K9/00; C08K9/04; C09; C09C; C09C1/00; C09C1/28; C09C1/30; C09C1/3063; C01; C01P; C01P2004/00; C01P2004/10; C01P2004/54; C01P2004/60; C01P2004/62; C01P2004/64; C01P2006/00; C01P2006/12; C01P2006/60; C01P2006/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
THE METHOD COMPRISING TREATING A LIGHT COLORED TO WHITE, PARTICULAE, SOLID MATERIAL COMPRISING AMORPHOUS SILICA CONTAINING HALOGEN ATTACHED TO THE SILICON OF SAID SILICA IN AN AMOUNT NOT IN EXCESS OF ABOUT 3% BY WEIGHT, WITH AN ALCOHOL COMPOUND FREE OF AMINE GROUPS IN THE FLUID STATE AND IN AN AMOUNT, AT A PRESSURE AND AT A TEMPERATURE SUFFICIENT TO REPLACE SUBSTANTIALLY ALL OF SAID HALOGEN OF SAID SILICA WITH A RESIDUE OF SAID COMPOUND ATTACHED TO SAID SLICA THROUGH OXYGEN AND WITHOUT CAUSING SINTERING OF SAID SILICA AND WITHOUT DECOMPOSITION OF SAID ALCOHOL COMPOUND.
Claim 2
Independent Claim
95 words
THE METHOD COMPRISING TREATING A LIGHT COLORED TO WHITE, PARTICULAE, SOLID MATERIAL COMPRISING AMORPHOUS SILICA CONTAINING HALOGEN ATTACHED TO THE SILICON OF SAID SILICA IN AN AMOUNT NOT IN EXCESS OF ABOUT 3% BY WEIGHT, WITH AN ALCOHOL COMPOUND FREE OF AMINE GROUPS IN THE FLUID STATE AND IN AN AMOUNT, AT A PRESSURE AND AT A TEMPERATURE SUFFICIENT TO REPLACE SUBSTANTIALLY ALL OF SAID HALOGEN OF SAID SILICA WITH A RESIDUE OF SAID COMPOUND ATTACHED TO SAID SLICA THROUGH OXYGEN AND WITHOUT CAUSING SINTERING OF SAID SILICA AND WITHOUT DECOMPOSITION OF SAID ALCOHOL COMPOUND.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |