US3770790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenoxyphenyl silanes
Assignee: Dow Silicones Corp
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Filing: 1971-11-29
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Granted: 1973-11-06
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Expires: 1991-11-29
Abstract
Abstract NOVEL SILANES, PHENOXPHENYL (DIPHENYL) METHYLSILANE AND PHENOXYPHENYL (DIMETHYL) PHENYLSILANE, ARE INERT FLUIDS HAVING A HIGH INDEX OF REFRACTION USED AS THE STRAIN MEDIA IN THE MICROSCOPIC EXAMINATION OF TISSUE CULTURES.
Inventors
- 👤 H Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:34
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0803; C07F7/081
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) | 1976-11-05 | 1977-05-07 | 1977-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-05 | 1981-05-07 | 1981-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-05 | 1985-05-07 | 1985-11-06 | $7700.00 | Window Closed / Lapsed |