US3854969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyestuff preparations and printing inks
Assignee: Novartis AG
•
Filing: 1973-04-27
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Granted: 1974-12-17
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Expires: 1993-04-27
Abstract
Abstract The invention relates to a dyestuff preparation containing 1. AT LEAST ONE DYESTUFF AND/OR FLUORESCENT BRIGHTENING AGENT WHICH SUBLIMES AT 100* TO 300*C and 2. AT LEAST ONE RESIN SOLUBLE IN ORGANIC SOLVENTS.
Inventors
- 👤 G Zwahlen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:12
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/03; C09D11/037; C09B; C09B67/00; C09B67/0071; C09B67/008; D; D06; D06P; D06P5/00; D06P5/003; D06P5/004; D06P5/006
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
6 words
A DYESTUFF PREPARATION CONSISTING ESSENTIALLY OF:
Claim 2
Dependent Claim
6 words
A DYESTUFF PREPARATION CONSISTING ESSENTIALLY OF:
Claim 3
Dependent Claim
5 words
A DYESTUFF OF THE FORMULA
Claim 4
Dependent Claim
5 words
A DYESTUFF OF THE FORMULA
Claim 5
Dependent Claim
15 words
ETHYL CELLULOSE, THE RATIO OF THE DYESTUFF TO ETHYL CELLULOSE BEING BETWEEN 9:1 AND 1:4,
Claim 6
Dependent Claim
15 words
ETHYL CELLULOSE, THE RATIO OF THE DYESTUFF TO ETHYL CELLULOSE BEING BETWEEN 9:1 AND 1:4,
Claim 7
Dependent Claim
15 words
ethyl cellulose, the ratio of the dyestuff to ethyl cellulose being between 9:1 and 1:4.
Claim 8
Dependent Claim
15 words
ethyl cellulose, the ratio of the dyestuff to ethyl cellulose being between 9:1 and 1:4.
Claim 9
Dependent Claim
14 words
A dyestuff preparation according to claim 1 wherein the dyestuff is of the formula
Claim 10
Dependent Claim
14 words
A dyestuff preparation according to claim 1 wherein the dyestuff is of the formula
References Cited (Backward Citations)
US1828599A
Cited
US2006022A
Cited
US2459149A
Cited
US2823212A
Cited
US2992240A
Cited
GB975717A
Cited
FR1374712A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-16 | 1978-06-17 | 1978-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-16 | 1982-06-17 | 1982-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-16 | 1986-06-17 | 1986-12-17 | $7700.00 | Window Closed / Lapsed |