Patent · US Expired

Process for preparing hydrogenated aromatic polymers

US6455656B2 · kind B2 · utility

4Cited by
4References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 26, 2001
Grant dateSep 24, 2002
Priority date
Expiry dateFeb 26, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F8/04
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The present invention is directed to a process for producing a hydrogenated polymer or copolymer by hydrogenating prior to polymer isolation or finishing.

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