US3146250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nitrogen-containing cyclic silanes, their preparation and hydrolysis
Assignee: Dow Silicones Corp
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Filing: 1961-10-11
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Granted: 1964-08-25
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Expires: 1981-10-11
Abstract
No abstract record available.
Inventors
- 👤 John L Speier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:17
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/14; C23F11/149; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C07F7/0872; C07F7/0874; C07F7/10; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10; C08G77/00; C08G77/04; C08G77/22; C08G77/26
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
7 words
AN ORGANOSILICON COMPOUND OF THE GENERAL FORMULA
Claim 2
Dependent Claim
7 words
AN ORGANOSILICON COMPOUND OF THE GENERAL FORMULA
Claim 3
Independent Claim
11 words
A METHOD FOR MAKING AN ORGANOSILICON COMPOUND WHICH COMPRISES REACTING (1)
Claim 4
Independent Claim
11 words
A METHOD FOR MAKING AN ORGANOSILICON COMPOUND WHICH COMPRISES REACTING (1)
Claim 5
Independent Claim
11 words
A METHOD FOR MAKING AN ORGANOSILICON COMPOUND OF THE GENERAL FORMULA
Claim 6
Independent Claim
11 words
A METHOD FOR MAKING AN ORGANOSILICON COMPOUND OF THE GENERAL FORMULA
Claim 7
Independent Claim
10 words
A METHOD FOR MAKIG A SILOXANE OF THE UNIT FORMULA
Claim 8
Independent Claim
10 words
A METHOD FOR MAKIG A SILOXANE OF THE UNIT FORMULA
Claim 9
Dependent Claim
15 words
AN ORGANOSILICON COMPOUND OF THE GENERAL FORMULA HN(SI(R"'')2CH2CH(CH3)CH2CL)2 WHEREIN R" IS A MONOVALENT HYDROCARBON RADICAL.
Claim 10
Dependent Claim
15 words
AN ORGANOSILICON COMPOUND OF THE GENERAL FORMULA HN(SI(R"'')2CH2CH(CH3)CH2CL)2 WHEREIN R" IS A MONOVALENT HYDROCARBON RADICAL.
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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |