Patent · US Active

Method for the combined production of at least two target products

US12168716B2 · kind B2 · utility

0Cited by

0References

17Claims

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Assignee

BASF SE

Inventors

Thomas Heitz · Ludwigshafen am Rhein, DE
Johann Diedrich Brand · Waterloo, BE
Joerg Erbes · Karlsruhe, DE

Key dates

Filing date	Mar 5, 2020
Grant date	Dec 17, 2024
Priority date	—
Expiry date	Feb 20, 2042

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G63/785
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to a method for the combined production of at least two target products selected from the group consisting of (T1), (T2) and (T3), wherein (T1) is a terephthalate polyester, (T2) is a copolyester on the basis of terephthalic acid, at least one aliphatic 1,ω-dicarboxylic acid and at least one aliphatic 1,ω-diol, and (T3) is a copolyester on the basis of terephthalic acid, polytetramethylene glycoland at least one aliphatic 1,ω-diol.

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