POLYETHYLENE RESIN, PROCESS FOR PRODUCING THE SAME, AND PIPE AND JOINT COMPRISING THE RESIN

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20090082523A1
SERIAL NO

11914043

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The invention relates to a polyethylene resin having excellent slow crack growth property, in particular a resin having excellent durability in a pipe application, which has a specific (a) high-load melt flowrate (HLMFR; HLa), a specific (b) density (Da), and a specific (c) α-olefin content (Ca) and in which (d) a breaking time (T) measured by notched Lander ESCR, the HLa, and the Ca satisfy log T≧−2.9×log HLa+5.1×log Ca+6.8. It further relates to a process for producing the resin and to a pipe and a joint each comprising the resin.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
JAPAN POLYETHYLENE CORPORATION1-1 MARUNOUCHI 1-CHOME CHIYODA-KU TOKYO 100-8251

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nishibu, Hirofumi Kanagawa , JP 2 52
Saito, Shigeki Kanagawa , JP 29 529
Sasaki, Yoshito Kanagawa , JP 51 634
Yoshikiyo, Tetsuya Kanagawa , JP 2 2

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation