Patent Assignment Details
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For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 004504/0588 | |
| Pages: | 1 |
| | Recorded: | 01/31/1986 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Total properties:
5
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Patent #:
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Issue Dt:
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Application #:
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05947291
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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08/12/1980
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Application #:
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05971276
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Filing Dt:
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12/20/1978
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Title:
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CONTINUOUS REDUCTION PROCESS
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Patent #:
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Issue Dt:
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03/15/1983
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Application #:
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06051659
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Filing Dt:
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06/25/1979
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Title:
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PROCESS FOR THE PRODUCTION OF NAPHTHYLAMINEHYDROXYSULPHONIC ACIDS
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Patent #:
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Issue Dt:
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09/07/1982
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Application #:
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06113412
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Filing Dt:
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01/18/1980
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Title:
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PROCESS FOR PRODUCING THE MAGNESIUM SALT OF 3-NITRO-NAPHTHALENE-1,5- DISULFONIC ACID (NITRO-ARMSTRONG S ACID)
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Patent #:
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Issue Dt:
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04/09/1985
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Application #:
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06559149
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Filing Dt:
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12/07/1983
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Title:
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PROCESS FOR THE PRODUCTION OF 2-AMINO-1-NAPHTHALENESULFONIC ACID
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Assignee
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| D-5090 LEVERKUSEN, BAYERWERK, GERMANY |
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Correspondence name and address
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JOSEPH G. KOLODNY
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C/O SPRUNG, FELFE, HORN, LYNCH &
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KRAMER
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600 3RD AVE.
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NEW YORK, N. Y. 10016
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