公开(公告)号：US3595942A

公开(公告)日：1971-07-27

申请号：US3595942D

申请日：1968-12-24

Applicant: SHELL OIL CO

Inventor： WALD MILTON M ,  QUAM MYRON G

IPC: C08F8/04 ,  C08F15/04

CPC classification number: C08F8/04 ,  C08F297/04

Abstract: BLOCK COPOLYMERS OF MONOVINYL ARENES WITH CONJUGATED DIENES ARE HYDROGENATED TO FORM SELECTIVELY HYDROGENATED PRODUCTS WHEREIN ONLY THE CONJUGATED DIENE BLOCKS ARE HYDROGENATED, THE RESULTING MATERIALS HAVING SUBSTANTIAL ADVANTAGES RELATIVE TO HIGHER MELT TEMPERATURES AND THEREFORE HIGHER SERVICE TEMPERATURES, EXCELLENT RESISTANCE TO OXIDATION AND REDUCED CREEP SET CHARACTERISTICS.

公开(公告)号：US3501416A

公开(公告)日：1970-03-17

申请号：US3501416D

申请日：1966-03-17

Applicant: SHELL OIL CO

Inventor： WALD MILTON M

IPC: B01J27/06 ,  C07C5/22 ,  C07C5/27 ,  C08F4/20 ,  C08F4/58 ,  C07C5/24 ,  C07C5/28

CPC classification number: B01J27/06 ,  C07C5/2253 ,  C07C5/2789 ,  C07C2527/126 ,  C07C2527/133 ,  C07C2527/138 ,  C07C9/16