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US3365402A
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Process for eliminating the harmful effects of an alkaline catalyst in capillary-active products
Assignee: Chem-Y Fabriek Van Chemische Produkten NV
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Filing: 1964-02-25
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Granted: 1968-01-23
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Expires: 1984-02-25
Abstract
No abstract record available.
Inventors
- 👤 Brenkman Jacobus Adrianus
- 👤 Johan G Aalbers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:14
CPC Classifications
C; C07; C07C; C07C41/00; C07C41/01; C07C41/34; C07C41/46; C07C41/44; C07C59/00; C07C59/125; C07C67/00; C07C67/48; C07C67/60; C07C67/62; C11; C11D; C11D1/00; C11D1/02; C11D1/04; C11D1/06; C11D1/66; C11D1/72; C11D1/74; C11D1/83
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1970578A
Cited
US2183853A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |