Patent search ap:("STANDARD OIL DEV CO") AND inv:"MUNSTER WALTER N" Page 1

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发明授权
Solvent treating 失效
Title translation: 溶剂处理

公开(公告)号：US2225910A

公开(公告)日：1940-12-24

申请号：US31559440

申请日：1940-01-25

Applicant: STANDARD OIL DEV CO

Inventor： GURD GEORGE W , MUNSTER WALTER N

IPC: C10G21/22

CPC classification number: C10G21/22

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