Patent · US Expired

Modified supported metathesis catalysts

US7145050B2 · kind B2 · utility

0Cited by

2References

1Claims

0Family size

Assignee

Symrise GmbH & Co. KG · DE

Inventors

Ingo Wöhrle · Holzminden, DE
Aurelia Reckziegel · Holzminden, DE
Peter Esser · Recklinghausen, DE
Martin Sturmann · Leverkusen, DE

Key dates

Filing date	Aug 23, 2002
Grant date	Dec 5, 2006
Priority date	—
Expiry date	Apr 15, 2023

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C2531/12
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The invention relates to modified supported catalysts based on Re2O7/γ-Al2O3 for use in the preparation of cycloalkadienes in a metathesis reaction, a process for preparing cycloalkadienes in the presence of these supported catalysts and the use of the resulting cycloalkadienes for the preparation of fragrances.

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