Patent · US Expired

Polyolefins and uses thereof

US6348272B1 · kind B1 · utility

22Cited by
7References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 20, 1999
Grant dateFeb 19, 2002
Priority date
Expiry dateJan 20, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31938
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Uses of syndiotactic/atactic block polypropylene are provided in which the molecular weight thereof is preferably at least 120 kD. The syndiotactic/atactic block polypropylene may be used as a polypropylene modifier, a component in an adhesive composition, a shock absorber component, a waterproof membrane component, a packaging film or component thereof, a shapable composition component, and an acoustic absorbent material component, a composition for moulding into a footwear component, a bitumen modifier, a compatibiliser, an emulgator or an emulsifier, as a viscosity improver, and as a spilled oil absorber.

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