Patent · US Expired

Propylene polymers having a broad molecular weight ratio Q

US5536789A · kind A · utility

12Cited by
6References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 24, 1995
Grant dateJul 16, 1996
Priority date
Expiry dateApr 24, 2015

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L2205/02
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Propylene polymers have a molecular weight ratio Q (M.sub.w /M.sub.n) of from 6 to 30 and are obtainable by Ziegler-Natta polymerization in the presence of hydrogen as molecular weight regulator and are particularly suitable for the production of films and moldings.

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