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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03/17/1992
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Application #:
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07362411
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Filing Dt:
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04/10/1989
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Inventors:
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EIJI OGATA, KOJI ONO
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Title:
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PROCESS FOR PURIFYING 4,4'-DIHYDROXYDIPHENYLSULFONE
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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4-77, KOZAIKA 3-CHOME, WAKAYAMA-SHI |
WAKAYAMA 641, JAPAN |
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ARMSTRONG, NIKAIDO, |
MARMELSTEIN & KUBOVCIK |
1725 K ST., N. W., STE. 912 |
WASHINGTON, DC 20006 |
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05/09/2024 07:44 PM
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