US4206114A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monoazo pigments from diazotized 5-acylaminoanthranilic acid derivatives and acetoacetylaminobenzimidazolones
Assignee: BASF Corp
•
Filing: 1978-07-17
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Granted: 1980-06-03
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Expires: 1998-07-17
Abstract
Abstract Monoazo pigments of the formula ##STR1## wherein R 1 and R 2 represent hydrogen, methyl or ethyl, and X represents hydrogen, chlorine, methyl, methoxy or ethoxy, are useful for coloring plastics in fast yellow shades.
Inventors
- 👤 Armand Roueche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:22
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3442; C08K5/3445; C08K5/3447; C09; C09B; C09B29/00; C09B29/0003; C09B29/32; C09B29/33; C09B29/335; C09B29/338
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
27 words
A monoazo pigment of the formula ##STR9## wherein R 1 and R 2 represent hydrogen, methyl or ethyl, and X represents hydrogen, chlorine, methyl, methoxy or ethoxy.
Claim 2
Dependent Claim
27 words
A monoazo pigment of the formula ##STR9## wherein R 1 and R 2 represent hydrogen, methyl or ethyl, and X represents hydrogen, chlorine, methyl, methoxy or ethoxy.
Claim 3
Dependent Claim
26 words
A monoazo pigment according to claim 1 of the formula ##STR10## wherein R 1 represents methyl or ethyl, and X represents hydrogen, chlorine, methyl or methoxy.
Claim 4
Dependent Claim
11 words
A monoazo pigment according to claim 1 of the formula ##STR11##
Claim 5
Dependent Claim
11 words
A monoazo pigment according to claim 1 of the formula ##STR12##
Claim 6
Dependent Claim
11 words
A monoazo pigment according to claim 1 of the formula ##STR13##
Claim 7
Dependent Claim
11 words
A monoazo pigment according to claim 1 of the formula ##STR14##
Claim 8
Dependent Claim
11 words
A monoazo pigment according to claim 1 of the formula ##STR15##
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) | 1983-06-03 | 1983-12-03 | 1984-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-06-03 | 1987-12-03 | 1988-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-06-03 | 1991-12-03 | 1992-06-03 | $7700.00 | Window Closed / Lapsed |