Patent · US Active

Use of catalysts for the metathesis of nitrile rubber

US11311868B2 · kind B2 · utility

0Cited by
9References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 9, 2019
Grant dateApr 26, 2022
Priority date
Expiry dateJul 9, 2039

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08C19/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The present invention relates to the use of specific catalysts for the metathesis degradation of nitrile rubber (NBR).The invention further relates to a method for preparing nitrile rubber with reduced molecular weight using specific catalysts.

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