Patent · US Active

Polyolefin

US12221498B2 · kind B2 · utility

0Cited by
13References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 20, 2019
Grant dateFeb 11, 2025
Priority date
Expiry dateMay 9, 2042

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F2420/10
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The present invention relates to polyolefin. More specifically, the present invention relates to polyolefin having excellent dart drop impact strength, and exhibiting improved transparency, and such polyolefin has a density of 0.915 g/cm3 to 0.930 g/cm3 measured according to ASTM D1505; and has an ethylene sequence inhomogeneity (I) calculated by the following Equation 1 of 1.25 to 1.40, when analyzed by SSA (Successive Self-nucleation and Annealing): Inhomogeneity (I)=Lw/Ln  [Equation 1]

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