公开(公告)号：US3697481A

公开(公告)日：1972-10-10

申请号：US3697481D

申请日：1971-03-08

Applicant: GEN ELECTRIC

Inventor： BIALOUS CHARLES A ,  CAMPBELL ALLEN J ,  LIBERTI FRANK N

IPC: C08G64/06 ,  C08G64/14 ,  C08G17/13

CPC classification number: C08G64/14 ,  C08G64/06

Abstract: A CARBONATE POLYMER CONTAINING AS TERMINAL GROUPS A CHROMANYL RADICAL OF THE FOLLOWING FORMULA:
(4-(2-R1,2-R2,3-R3,4-R4,R7,R8-CHROMAN-4-YL)PHENYL)-O-

WHEREIN R1-R8 ARE INDEPENDENTLY SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND ALKYL RADICALS OF 1-9 CARBON ATOMS AND WHEREIN R5-R8 ARE FURTHER INDEPENDENTLY SELECTED FROM THE GROUP CONSISTING OF BROMINE AND CHLORINE.