US3036078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-soluble salts of anthraquinone dyestuffs
Assignee: BASF Schweiz AG
•
Filing: 1959-12-21
•
Granted: 1962-05-22
•
Expires: 1979-12-21
Abstract
No abstract record available.
Inventors
- 👤 Grossmann Paul
- 👤 Rhyner Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:10
CPC Classifications
C; C09; C09B; C09B1/00; C09B1/16; C09B1/20; C09B1/26; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/927
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
6 words
AN ANTHRAQUINONE DYESTUFF OF THE FORMULA
Claim 2
Dependent Claim
6 words
AN ANTHRAQUINONE DYESTUFF OF THE FORMULA
Claim 3
Dependent Claim
6 words
THE ANTHRAQUINONE DYESTUFF OF THE FORMULA
Claim 4
Dependent Claim
6 words
THE ANTHRAQUINONE 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) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |