Patent · US Active

Method for the production of a high-molecular polyazol

US8669296B2 · kind B2 · utility

0Cited by

2References

21Claims

0Family size

Assignee

BASF SE

Inventors

Jörg Belack · Mainz, DE
Klaus Leitner · Feldkirch, AT
Hansjoachim Scupin · Ludwigshafen, DE
Oemer Uensal · Mainz, DE

Key dates

Filing date	Jun 17, 2010
Grant date	Mar 11, 2014
Priority date	—
Expiry date	Jul 19, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P70/50
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A process for preparing a polyazole with an inherent viscosity, measured in at least 96% sulfuric acid at 25° C., greater than 2.9 dl/g, comprising the steps of

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