Patent search ap:("ETHYL CORP") AND inv:"HALL CLARENCE A" Page 1

1.

发明授权
Removing combustion chamber deposits from internal combustion engines and compositions 失效
Title translation: 从内燃机和组合物中去除燃烧室沉积物

公开(公告)号：US2904458A

公开(公告)日：1959-09-15

申请号：US45394854

申请日：1954-09-02

Applicant: ETHYL CORP

Inventor： DYKSTRA FRED J , HALL CLARENCE A , SHEPHERD CHARLES C

IPC: C10L10/06

CPC classification number: C10L10/06

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