US3083219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intercondensation of tetrahydrofuran with organohalosilanes
Assignee: General Electric Co
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Filing: 1961-03-15
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Granted: 1963-03-26
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Expires: 1981-03-15
Abstract
No abstract record available.
Inventors
- 👤 Robert P Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:04
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/695; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; Y; Y10; Y10S; Y10S528/00; Y10S528/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
THE PROCESS FOR EFFECTING INTERCONDENSATION OF A TETRAHYDROFURAN COMPOUND WITH AN ORGANOSILANE WHICH COMPRISES REACTING TETRAHYDROFURAN WITH AN ORGANOSILANE HAVING THE FORMULA
Claim 2
Dependent Claim
22 words
THE PROCESS FOR EFFECTING INTERCONDENSATION OF A TETRAHYDROFURAN COMPOUND WITH AN ORGANOSILANE WHICH COMPRISES REACTING TETRAHYDROFURAN WITH AN ORGANOSILANE HAVING THE FORMULA
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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |