US3336147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of pigment compositions
Assignee: Imperial Chemical Industries Ltd
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Filing: 1964-07-27
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Granted: 1967-08-15
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Expires: 1984-07-27
Abstract
No abstract record available.
Inventors
- 👤 Mitchell John
- 👤 Topham Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:46
CPC Classifications
C; C09; C09B; C09B67/00; C09B67/0033; C08; C08G; C08G73/00; C08G73/02; C08G73/0206; C08L; C08L75/00; C09B3/00; C09B3/22; C09B3/30; C09B43/00; C09B44/00; C09B44/10; C09B47/00; C09B47/04; C09B47/08; C09B63/00; C09B63/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A PIGMENT COMPOSITION CONSISTING ESSENTIALLY OF A PIGMENT INTIMATELY INCORPORATE WITH FROM 1 TO 20% BY WEIGHT OF A POLYMERIC ORGANIC PIGMENT DERIVATIVE IN WHICH AT LEAST TWO PIGMENT MOLECULES ARE LINKED TOGETHER THROUGH DIVALENT LINKING GROUPS CONTAINING NITROGEN, SAID POLYMERIC ORGANIC PIGMENT DERIVATIVE BEING A CONDENSATE OF (I) A CHLOROMETHYL COMPOUND SELECTED FROM THE CLASS CONSISTING OF COPPER HALOGENOMETHYLPHTHALOCYANINES CONTAINING FROM 2 TO 8 CHLOROMETHYL GROUPS, CHLOROMETHYL DIMETHYL DIBENZTHIAZYLAZOBENZENES CONTAINING FROM 2 TO 3 CHLOROMETHYL GROUPS AND DICHLOROMETHYLISODIBENZANTHRONES WITH (II) AN AMINE SELECTED FROM THE CLASS CONSISTING OF PRIMARY ALIPHATIC, CYCLOALIPHATIC AND ARALIPHATIC AMINES AND DIAMINES, SAID POLYMERIC ORGANIC PIGMENT DERIVATIVE BEING SUBSTANTIALLY INSOLUBLE IN 6% AQUEOUS ACETIC ACID.
Claim 2
Dependent Claim
110 words
A PIGMENT COMPOSITION CONSISTING ESSENTIALLY OF A PIGMENT INTIMATELY INCORPORATE WITH FROM 1 TO 20% BY WEIGHT OF A POLYMERIC ORGANIC PIGMENT DERIVATIVE IN WHICH AT LEAST TWO PIGMENT MOLECULES ARE LINKED TOGETHER THROUGH DIVALENT LINKING GROUPS CONTAINING NITROGEN, SAID POLYMERIC ORGANIC PIGMENT DERIVATIVE BEING A CONDENSATE OF (I) A CHLOROMETHYL COMPOUND SELECTED FROM THE CLASS CONSISTING OF COPPER HALOGENOMETHYLPHTHALOCYANINES CONTAINING FROM 2 TO 8 CHLOROMETHYL GROUPS, CHLOROMETHYL DIMETHYL DIBENZTHIAZYLAZOBENZENES CONTAINING FROM 2 TO 3 CHLOROMETHYL GROUPS AND DICHLOROMETHYLISODIBENZANTHRONES WITH (II) AN AMINE SELECTED FROM THE CLASS CONSISTING OF PRIMARY ALIPHATIC, CYCLOALIPHATIC AND ARALIPHATIC AMINES AND DIAMINES, SAID POLYMERIC ORGANIC PIGMENT DERIVATIVE BEING SUBSTANTIALLY INSOLUBLE IN 6% AQUEOUS ACETIC ACID.
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) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |