Patent · US Active

High-mooney NDBR having mooney jump

US9845366B2 · kind B2 · utility

4Cited by
12References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 18, 2013
Grant dateDec 19, 2017
Priority date
Expiry dateDec 18, 2033

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L9/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The invention relates to methods for achieving a step increase in the Mooney viscosity in production of high-molecular-weight polybutadiene having >95% by weight content of cis-1,4 units and <1% by weight 1,2-vinyl content, characterized in that

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