US3095415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anthraquinone dyestuffs containing a 2-chloro, 4-hydroxy (lower) alkylamino, triazinylamino group
Assignee: BASF Schweiz AG
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Filing: 1961-06-05
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Granted: 1963-06-25
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Expires: 1981-06-05
Abstract
No abstract record available.
Inventors
- 👤 Staeuble Max
- 👤 Weber Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:04
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/02; C09B62/04; C09B62/06; C09B1/00; C09B1/16; C09B1/20; C09B1/36; C09B1/46; C09B5/00; C09B5/02; C09B5/16; C09B5/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
ANTHRAQUINONE VAT DYESTUFF OF THE FORMULA
Claim 2
Dependent Claim
6 words
ANTHRAQUINONE VAT DYESTUFF OF THE FORMULA
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) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |