Patent search ap:("CELANESE CORP") AND inv:"REUBEN BETTERIDGE" Page 1

1.

发明授权
Coloration of artificial materials 失效
Title translation: 人造材料着色

公开(公告)号：US2300472A

公开(公告)日：1942-11-03

申请号：US18632138

申请日：1938-01-22

Applicant: CELANESE CORP

Inventor： COMBE SOWTER PERCY FREDERICK , REUBEN BETTERIDGE

IPC: D01F2/28 , D06P1/92

CPC classification number: D06P1/928 , D01F2/28 , Y10S8/921

2.

发明授权
Manufacture of colored artificial materials 失效
Title translation: 彩色人造材料的制造

公开(公告)号：US2216793A

公开(公告)日：1940-10-08

申请号：US18632038

申请日：1938-01-22

Applicant: CELANESE CORP

Inventor： COMBE SOWTER PERCY FREDERICK , REUBEN BETTERIDGE

IPC: D01F2/00 , D01F2/04 , D01F2/06 , D01F2/08

CPC classification number: D01F2/06 , D01F2/00 , D01F2/04 , D01F2/08 , Y10S8/918

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