Patent US3061587A successfully refreshed from Google Patents.
US3061587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ordered organo silicon-aluminum oxide copolymers and the process of making same
Assignee: Raytheon Co
•
Filing: 1960-05-03
•
Granted: 1962-10-30
•
Expires: 1980-05-03
Abstract
No abstract record available.
Inventors
- 👤 John B Rust
- 👤 Hideyo H Takimoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:41
CPC Classifications
C; C08; C08G; C08G79/00; C08G79/10; C08G77/00; C08G77/48; C08G77/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A PROCESS FOR THE PRODUCTION OF AN ORDERED ORGANOSILOXY ALUMINUM OXIDE POLMER COMPRISING REACTING, BY ORGANIC ESTER ELIMINATION UNDER SUBSTANTIALLY ANHYDROUS CONDITIONS, AN ORGANO ACYLOXY SILANE HAVING THE GENERAL FORMULA RNSI(OOCR'')4-N WITH AN ALUMINUM COMPOUND SELECTED FROM THE GROUP CONSISTING OF TRIALKOY ALUMINUM AND TRIORGANOSILOXY DIALKOXY ALUMINUM HAVING THE GENERAL FORMULA (R"3SIO)AL(OR"'')2 WHEREIN R AND R" ARE HYDROCARBON RADICALS SELECTED FROM THE CLASS CONSISTING OF ALKYL, ARYL, ARALKYL, AND ALKARYL WHEREIN R'' AND R''" ARE HYDROCARBIN ALKYL RADICALS AND N TAKES THE INTEGRAL VALUES OF 1 OR 2.
Claim 2
Dependent Claim
88 words
A PROCESS FOR THE PRODUCTION OF AN ORDERED ORGANOSILOXY ALUMINUM OXIDE POLMER COMPRISING REACTING, BY ORGANIC ESTER ELIMINATION UNDER SUBSTANTIALLY ANHYDROUS CONDITIONS, AN ORGANO ACYLOXY SILANE HAVING THE GENERAL FORMULA RNSI(OOCR'')4-N WITH AN ALUMINUM COMPOUND SELECTED FROM THE GROUP CONSISTING OF TRIALKOY ALUMINUM AND TRIORGANOSILOXY DIALKOXY ALUMINUM HAVING THE GENERAL FORMULA (R"3SIO)AL(OR"'')2 WHEREIN R AND R" ARE HYDROCARBON RADICALS SELECTED FROM THE CLASS CONSISTING OF ALKYL, ARYL, ARALKYL, AND ALKARYL WHEREIN R'' AND R''" ARE HYDROCARBIN ALKYL RADICALS AND N TAKES THE INTEGRAL VALUES OF 1 OR 2.
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) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |