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Shell Internationale Research Maatschappij BV
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Shell Internationale Research Maatschappij BV
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Filing date
Publication date
Priority claimed from NL6614558Aexternal-prioritypatent/NL6614558A/xx
Application filed by Shell Internationale Research Maatschappij BVfiledCriticalShell Internationale Research Maatschappij BV
Priority to FR124545ApriorityCriticalpatent/FR1540874A/en
Application grantedgrantedCritical
Publication of FR1540874ApublicationCriticalpatent/FR1540874A/en
C07D315/00—Heterocyclic compounds containing rings having one oxygen atom as the only ring hetero atom according to more than one of groups C07D303/00 - C07D313/00
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR124545A1966-10-171967-10-16
Improvements in the preparation of lactones
ExpiredFR1540874A
(en)