Patent · US Active

Preparation process

US8288531B2 · kind B2 · utility

1Cited by

1References

13Claims

0Family size

Assignee

Boehringer Ingelheim International GmbH · DE

Inventors

Juergen Schnaubelt · Biberach, DE
Thomas Fachinger · Niederheimbach, DE
Michael Konrad · Pfronten, DE
Thomas Krueger · Leutkirch im Allgäu, DE
Joern Merten · Heidesheim, DE
Carsten Reichel · Rheinböllen, DE
Svenja Renner · Eckenroth, DE
Rolf Schmid · Gelterkinden, CH
Emanuel Stehle · Ravensburg, DE
Bianca Werner · Mainz, DE

Key dates

Filing date	Aug 12, 2008
Grant date	Oct 16, 2012
Priority date	—
Expiry date	Mar 22, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/55
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A process for preparing compounds of the formula (I)in which R1 and R2 are as defined in the description.

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