Patent US3070602A successfully refreshed from Google Patents.
US3070602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New anthraquinone dyestuffs containing a reactive triazine group
Assignee: BASF Schweiz AG
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Filing: 1960-04-05
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Granted: 1962-12-25
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Expires: 1980-04-05
Abstract
No abstract record available.
Inventors
- 👤 Buehler Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:40
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/02; C09B62/04; C09B62/06; C09B62/002; C09B62/004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A WATER-SOLUBLE ANTHRAQUINONE DYESTUFF OF THE FORMULA
Claim 2
Dependent Claim
7 words
A WATER-SOLUBLE ANTHRAQUINONE DYESTUFF OF THE FORMULA
References Cited (Backward Citations)
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Cited
US1987538A
Cited
US2029258A
Cited
US2195067A
Cited
US2333137A
Cited
US2430771A
Cited
US2730534A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |