Patent search ap:("STANDARD OIL CO") AND inv:"LLAWELLYN HEARD" Page 1

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发明授权
Preparation of platinum catalysts 失效
Title translation: 铂催化剂的制备

公开(公告)号：US2911375A

公开(公告)日：1959-11-03

申请号：US61037856

申请日：1956-09-17

Applicant: STANDARD OIL CO

Inventor： COLEY JOHN R , LLAWELLYN HEARD

IPC: B01J21/04 , B01J23/40 , B01J23/42

CPC classification number: B01J23/42 , B01J21/04 , B01J23/40

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