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Patent US3529008A successfully refreshed from Google Patents.
US3529008A
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US
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Tetrasilicic esters and their use for textile treatment
Assignee: BASF SE
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Filing: 1967-09-07
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Granted: 1970-09-15
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Expires: 1987-09-07
Abstract
No abstract record available.
Inventors
- 👤 Hans Brandeis
- 👤 Wilhelm Ruemens
- 👤 Johann Stanger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:48
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/50; D06M13/503; D06M13/507; C; C07; C07F; C07F7/00; C07F7/02; C07F7/04
Claims Analysis
Total Claims: 0
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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) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |