Patent · US Expired

Polyester blow-molded articles

US5324556A · kind A · utility

7Cited by
6References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 20, 1993
Grant dateJun 28, 1994
Priority date
Expiry dateApr 20, 2013

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/1352
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Blow-molded articles consisting of an aliphatic polyester having a melt viscosity of 3.0.times.10.sup.3 -2.0.times.10.sup.5 poises at a temperature of 190.degree. C. at a shear rate of 100 sec.sup.-1 and a melting point of 70.degree.-190.degree. C. The present invention provides blow-molded articles excellent in heat stability and mechanical strength as well as having biodegradability which can be used for containers of detergents, cosmetics and the like, and industrial parts.

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