US3444164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroxyphenyl-1,3,5-triazines containing sulfonic acid groups and their preparation
Assignee: BASF Schweiz AG
•
Filing: 1966-09-20
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Granted: 1969-05-13
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Expires: 1986-09-20
Abstract
No abstract record available.
Inventors
- 👤 Christian Luethi
- 👤 Karl Eschle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:58
CPC Classifications
A; A61; A61Q; A61Q17/00; A61Q17/04; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61K8/494; A61K8/4966; C; C08; C08K; C08K5/00; C08K5/36; C08K5/41; C08K5/42; Y; Y10; Y10S; Y10S524/00; Y10S524/925; Y10S524/929
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2298533A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-12 | 1972-11-11 | 1973-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-12 | 1976-11-11 | 1977-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-12 | 1980-11-11 | 1981-05-13 | $7700.00 | Window Closed / Lapsed |