Patent · US Active

NdBR with molar mass breakdown

US9963519B2 · kind B2 · utility

3Cited by
4References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 13, 2017
Grant dateMay 8, 2018
Priority date
Expiry dateMar 13, 2037

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L15/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The invention relates to neodymium-catalyzed polybutadienes (NdBR) comprising >95 wt % of cis-1,4 units and <1 wt % of 1,2-vinyl content, based on the neodymium-catalyzed polybutadiene, wherein the NdBR evinces a molar mass breakdown of not less than 25%.

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