US 8,772,527 B2Granted

Process for isomerization of cis-2-pentenenitrile to 3-pentenenitriles

AssigneeBASF SE

InventorsRolf-Hartmuth Fischer, Alfred Oftring, Robert Baumann, Hermann Luyken

Life of this patent

Estimating the term…

Abstract

The present invention relates to an improved process for batchwise or continuous isomerization of cis-2-pentenenitrile to 3-pentenenitriles in the presence of 1,4-diazabicyclo[2.2.2]octane as catalyst.

Claims6

Dependent claims

A process for batchwise or continuous isomerization of cis-2-pentenenitrile to 3-pentenenitriles, which comprises isomerizing cis-2-pentenenitrile with 1,4-diazabicyclo[2.2.2]octane.

Dependencies are inferred from the claim text.

Facts

Application: 13/867,671Filed 22 Apr 2013 · us provisional application
Priority: 27 Apr 2012
Published: US 2013/0289299 A131 Oct 2013
Granted: 8 Jul 2014
Term ends: Not estimatedThe source records don’t support an estimate.

Classification2 codes

C07C 253/30
Preparation of carboxylic acid nitriles: by reactions not involving the formation of cyano groups
C07C
Acyclic or carbocyclic compounds

Family

Application61/639,111Us provisional application · filed 27 Apr 2012
US 2013/0289299 A1Pre-grant publication · published 31 Oct 2013
US 8,772,527 B2This patent

From the US filing history. Foreign family members aren’t listed.

Timeline

Citations

Open elsewhere

Building an agent or pulling many patents? Use the API or MCP server instead of scraping pages. Get an API key

patentgrep

Loading patent…

patentgrepSearch patents

Back to results