Patent · US Expired

Biodegradable composition

US6284838A · kind A · utility

26Cited by
3References
25Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 17, 1999
Grant dateSep 4, 2001
Priority date
Expiry dateMay 17, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L97/005
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A biodegradable composition, is obtained by heating a melting together at least one lignin and/or a lignin containing material with a protein. This composition may contain one or more additives. Also disclosed are articles produced with this composition.

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