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(12) Patent: | (11) CA 1024136 |
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(21) Application Number: | 1024136 |
(54) English Title: | CHROMIUM-CONTAINING AZO DYES, THEIR MANUFACTURE AND USE |
(54) French Title: | MATIERES COLORANTES AZO CONTENANT DU CHROME, LEUR PREPARATION ET LEUR UTILISATION |
Status: | Term Expired - Post Grant Beyond Limit |
(51) International Patent Classification (IPC): |
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(72) Inventors : |
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(73) Owners : |
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(71) Applicants : | |
(74) Agent: | |
(74) Associate agent: | |
(45) Issued: | 1978-01-10 |
(22) Filed Date: | |
Availability of licence: | N/A |
Dedicated to the Public: | N/A |
(25) Language of filing: | English |
Patent Cooperation Treaty (PCT): | No |
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(30) Application Priority Data: | None |
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