Patent search ap:("STANDARD OIL DEV CO") AND inv:"PROPHET JR JAMES" Page 1

1.

发明授权
Wax composition 失效

公开(公告)号：US2241497A

公开(公告)日：1941-05-13

申请号：US30411939

申请日：1939-11-13

Applicant: STANDARD OIL DEV CO

Inventor： WASSON JONES I , PROPHET JR JAMES

IPC: C08K5/06

CPC classification number: C10L1/1852 , C08K5/06 , C08L91/08

Patent Agency Ranking