US3175994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing organo-polysiloxanes
Assignee: General Electric Co
•
Filing: 1962-04-06
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Granted: 1965-03-30
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Expires: 1982-04-06
Abstract
No abstract record available.
Inventors
- 👤 Katchman Arthur
- 👤 Glenn D Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:04
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/46; C; C08; C08G; C08G77/00; C08G77/04; C08G77/06; C08G77/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663; Y10T428/31786
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
THE PROCESS WHICH COMPRISES AN AVERAGE OF FROM 1.0 TO 1.1 SILICON-BONDED ORGANIC GROUPS PER SILICON ATOM AND COMPOSED OF FROM 90 TO 100 MOL PERCENT OF ORGANOSILOXY UNITS OF THE FORMULA.
Claim 2
Dependent Claim
32 words
THE PROCESS WHICH COMPRISES AN AVERAGE OF FROM 1.0 TO 1.1 SILICON-BONDED ORGANIC GROUPS PER SILICON ATOM AND COMPOSED OF FROM 90 TO 100 MOL PERCENT OF ORGANOSILOXY UNITS OF 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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |