Patent Assignment Abstract of Title
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Total Assignments:
1
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Patent #:
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Issue Dt:
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Application #:
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06257279
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Filing Dt:
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04/24/1981
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Inventors:
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STEFFEN PIESCH, FRIEDRICH ENGELHARDT, HERBERT WILLE, WOLF WEIDEMULLER, ARTUR MEYER
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Title:
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PROCESS FOR THE PREPARATION OF DERIVATIVES OF 3-(4-HYDROXY-ANILINO)- CARBAZOLE, THE DERIVATIVES PREPARED AND THEIR USE FOR THE PREPARATION OF SULPHUR DYESTUFFS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| A GERMAN COMPANY |
| FRANKFURT (MAIN)-FECHENHEIM, GERMANY |
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| CONNOLLY & HUTZ |
| 18TH FLOOR, FARMERS BANK BLDG. |
| P. O. BOX 2207 |
| WILMINGTON, DE 19899 |
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