US2967096A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass polishing compositions
Assignee: Bayer AG
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Filing: 1958-03-11
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Granted: 1961-01-03
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Expires: 1978-03-11
Abstract
No abstract record available.
Inventors
- 👤 Kroner Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:27
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/14; C09K3/1454
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
71 words
A FINELY DIVIDED GLASS POLISHING COMPOSITION FOR USE IN AN AQUEOUS SUSPENSION AND CONSISTING ESSENTIALLY OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF IRON OXIDE, CERIUM OXIDE, ZIRCONIUM OXIDE, SILICIUM OXIDE AND ZIRCONIUM SILICATE, AND A MEMBER SELECTED FROM THE GROUP CONSISTING OF SODIUM BISULPHATE, POTASSIUM BISULPHATE, AND AMMONIUM BISULPHATE, SAID LATTER MEMBER BEING PRESENT IN THE COMPOSITION IN AN AMOUNT FROM 0.05 TO 0.5% BY WEIGHT OF THE COMPOSITION.
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) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |