Preparation of 4-hydroxycoumarin derivatives

IL76490A0Inactive Publication Date: 1986-01-31SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV
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Patent Information

Application Number
IL76490
Authority / Receiving Office
IL · IL
Patent Type
Applications
Current Assignee / Owner
Priority Date
1984-09-26
Filing Date
1985-09-24
Publication Date
1986-01-31
Estimated Expiration
Not applicable · inactive patent
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