Patent · US Expired

Thermotropic, fully aromatic polycondensates, a process for their preparation and their use for the production of moulded articles, fibres, filaments, sheet products and films

US5084547A · kind A · utility

1Cited by

1References

7Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Harald Pielartzik · Pittsburgh, US
Hermann Brinkmeyer · Krefeld, DE
Rolf-Volker Meyer · Krefeld, DE
Bernd Willenberg · Bensberg, DE

Key dates

Filing date	Sep 11, 1990
Grant date	Jan 28, 1992
Priority date	—
Expiry date	Sep 11, 2010

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K5/42
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The thermotropic, fully aromatic polycondensates according to the invention, which contain compounds capable of complex formation, are distinguished by improved resistance to hydrolysis and may be used for the production of moulded articles, fibres, filaments, sheet products and films.

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