Patent · US Active

Use of hydrogen and an organozinc compound for polymerization and polymer property control

US8501882B2 · kind B2 · utility

6Cited by

128References

20Claims

0Family size

Assignee

Chevron Phillips Chemical Company LP · US

Inventors

Errun Ding · Bartlesville, US
Qing Yang · Bartlesville, US
Albert P. Masino · Hamilton, US
Youlu Yu · Bartlesville, US
Lloyd W. Guatney · Bartlesville, US
Jim B. Askew · Barnsdall, US

Key dates

Filing date	Dec 19, 2011
Grant date	Aug 6, 2013
Priority date	—
Expiry date	Dec 19, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F2410/07
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Methods of controlling polymerization reactions using a synergistic amount of hydrogen and an organozinc compound are disclosed. The resulting polymers have lower molecular weights and higher melt flow indices.

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