Patent search ap:("STAMICARBON") AND inv:"ZWINKELS JOHANNES L F M" Page 1

1.

发明授权
Tar removal in phenol process 失效
Title translation: 苯酚过程中焦油去除

公开(公告)号：US3349134A

公开(公告)日：1967-10-24

申请号：US21420962

申请日：1962-08-02

Applicant: STAMICARBON

Inventor： LEENDERT BLOM , ZWINKELS JOHANNES L F M

IPC: C07C37/56 , C07C37/72 , C07C39/04 , C07C51/48

CPC classification number: C07C37/56 , C07C37/72 , C07C39/04 , C07C51/48

Patent Agency Ranking