Patent · US Active

Diphosphites based on cis-butene-1,4-diol

US11667657B2 · kind B2 · utility

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13Claims

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Assignee

Evonik Operations GmbH · DE

Inventors

Robert Franke · Marl, DE
Detlef Selent · Berlin, DE
Armin Börner · Rostock, DE
Anna Chiara Sale · Recklinghausen, DE

Key dates

Filing date	Aug 16, 2021
Grant date	Jun 6, 2023
Priority date	—
Expiry date	Aug 16, 2041

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J2531/845
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

New diphosphites based on cis-butene-1,4-diol.

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