Patent · US Expired

Polyhydroxyalkanoate and method of producing same, and &ohgr;-(2-thienylsulfanyl) alkanoic acid and method of producing same

US6686439B2 · kind B2 · utility

22Cited by
4References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 28, 2002
Grant dateFeb 3, 2004
Priority date
Expiry dateFeb 28, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S435/877
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

PHA containing a novel 3-hydroxy-thioalkanoic acid unit having a highly reactive thienyl group in a side chain thereof, and a method of producing the same are provided. Specifically, 5-(2-thienyl-sulfanyl)valeric acid represented by Chemical Formula [4] below and 6-(2-thienylsulfanyl)hexanoic acid represented by Chemical Formula [5] below are provided. Further, a method of producing PHA, comprising the step of collecting PHA from cells of a microorganism cultured in a medium containing the valeric acid or hexanoic acid, and a novel PHA represented by Chemical Formula [1] below are provided. (n denotes an integer of 1 to 9)

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