Patent · US Active

Urethanases for the enzymatic degradation of polyurethanes

US12351853B2 · kind B2 · utility

0Cited by

1References

12Claims

0Family size

Assignee

Covestro Deutschland AG · DE

Inventors

Natalie Bittner · Frechen, DE
Hartmut Nefzger · Pulheim, DE
Gesa Behnken · Neunburg vorm Wald, DE
Gernot Jäger · Cologne, DE
Swantje Behnken · Cologne, DE
Lukas Reisky · Cologne, DE

Key dates

Filing date	Mar 11, 2022
Grant date	Jul 8, 2025
Priority date	—
Expiry date	Apr 24, 2042

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02W30/62
WIPO fieldBiotechnology
WIPO sectorChemistry

Abstract

The present invention relates to new urethanases for the enzymatic breakdown of polyurethanes and to an enzymatic process for the complete breakdown of polyurethanes into defined monomers.

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