US3684808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anthraquinonyl triazine dyes
Assignee: Individual
•
Filing: 1970-01-27
•
Granted: 1972-08-15
•
Expires: 1990-01-27
Abstract
Abstract The invention relates to compounds of the formula
Inventors
- 👤 Paul Ulrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:28
CPC Classifications
C; C09; C09B; C09B69/00; C09B1/00; C09B1/16; C09B1/20; C09B1/206; C09B1/26; C09B1/32; C09B1/325; C09B1/36; C09B1/46; C09B1/467; C09B1/56; C09B1/58; C09B1/585; C09B11/00; C09B11/04; C09B11/06; C09B11/08; C09B3/00; C09B3/22; C09B3/30; C09B3/38; C09B3/78; C09B3/82; C09B43/00; C09B43/18; C09B5/00; C09B5/02; C09B5/10; C09B5/24; C09B5/32; C09B5/34; C09B5/44; C09B5/62; C09B62/00; C09B62/02; C09B62/022; C09B62/024
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
9 words
A compound according to claim 1 of the formula
Claim 2
Dependent Claim
10 words
A dyestuff as claimed in claim 1 of the formula
Claim 3
Dependent Claim
10 words
A dyestuff as claimed in claim 1 of the formula
Claim 4
Dependent Claim
5 words
A compound of the formula:
Claim 5
Dependent Claim
17 words
A compound as claimed in claim 5, wherein X denotes a chlorine atom bound in the 3-position.
Claim 6
Dependent Claim
10 words
A dyestuff as claimed in claim 5 of the formula
Claim 7
Dependent Claim
10 words
A dyestuff as claimed in claim 5 of the formula
Claim 8
Dependent Claim
10 words
A dyestuff as claimed in claim 5 of the formula
References Cited (Backward Citations)
US3384638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-15 | 1976-02-14 | 1976-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-15 | 1980-02-14 | 1980-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-15 | 1984-02-14 | 1984-08-15 | $7700.00 | Window Closed / Lapsed |