US3574670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating a suction box cover with an organodisiloxane
Assignee: Texas Instruments Inc
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Filing: 1968-07-12
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Granted: 1971-04-13
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Expires: 1988-07-12
Abstract
Abstract NEW ORGANODISILOXANE COMPOUNDS REPRESENTED BY THE STRUCTURAL FORMULA: (R1-SI(-O-R2)2)2-O WHERE R1 IS AN ALKYL RADICAL HAVING BETWEEN 11 AND 30 CARBON ATOMS AND R2 IS A RADICAL SELECTED FROM THE GROUP CONSISTING OF: METHYL, ETHYL, PROPYL AND ISOPROPYL RADICALS. A METHOD FOR APPLYING THE DISILOXANE COMPOUNDS TO SUCTION BOX COVERS INCLUDES THE STEPS OF DISTRIBUTING AN ORGANIC SOLVENT HAVING THE ORGANODISILOXANE DISSOLVED THEREIN OVER THE SUCTION BOX COVER AND EVAPORATING THE SOLVENT.
Inventors
- 👤 James W Curry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:43
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804; C07F7/0834; C07F7/0838
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-12 | 1974-10-12 | 1975-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-12 | 1978-10-12 | 1979-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-12 | 1982-10-12 | 1983-04-13 | $7700.00 | Window Closed / Lapsed |