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SHELL INT RESEARCH

SHELL INT

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
GB1091618A	Process for the preparation of phenazine derivatives	Expired / Lapsed	1966-08-26	—	0	Details
GB998648A	Process for the preparation of vinyl esters	Expired / Lapsed	1963-07-08	—	0	Details
DE1154765B	Flexible floating cover to reduce evaporation losses in liq…	Expired / Lapsed	1960-08-19	—	0	Details
FR1310377A	Method and device for performing operations in the subsea w…	Expired / Lapsed	1962-01-15	1962-11-23	0	Details