Patent · US Expired

Hydrogenated block copolymer compositions

US6632890B1 · kind B1 · utility

13Cited by
19References
41Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 24, 2000
Grant dateOct 14, 2003
Priority date
Expiry dateOct 19, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L53/025
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The present invention relates to hydrogenated block copolymers of vinyl aromatic polymer blocks and conjugated diene polymer blocks having specific total Mn and specific block Mn's such that advantageous properties are attained. The present invention also relates to hydrogenated pentablock copolymers thereof and specifically hydrogenated pentablock copolymers useful in thin walled injection molding applications.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.