Patent · US Expired

Medical tubes

US7955676B2 · kind B2 · utility

0Cited by

1References

9Claims

0Family size

Assignees

MITSUI CHEMICALS, INC. · JP
Otsuka Pharmaceutical Factory, Inc. · JP

Inventors

Kouichi Igarashi · Tochigi, JP
Sadamu Shirokuma · Kimitsu, JP
Ryoji Mori · Saitama, JP
Isamu Tateishi · Naruto, JP
Hitoshi Mori · Nagoya, JP
Rie Ishii · Amagasaki, JP

Key dates

Filing date	Nov 25, 2005
Grant date	Jun 7, 2011
Priority date	—
Expiry date	Nov 25, 2025

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/1397
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Medical tubes are well balanced in transparency, flexibility, heat resistance, scratch resistance and rubber elasticity.The medical tubes including a propylene polymer composition (A) that contains a polymer with propylene units, at least part of the polymer having an isotactic structure and the total of the propylene units of the polymer being in an amount of 65 to 82 mol % (the total of the structural units of the polymer in the composition is 100 mol %), and that satisfies the following (a1), (a2) and (b1):

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