Patent · US Active

Indolinone derivatives and process for their manufacture

US8067617B2 · kind B2 · utility

2Cited by

1References

10Claims

0Family size

Assignee

Boehringer Ingelheim International GmbH · DE

Inventors

Joern Merten · Heidesheim, DE
Svenja Renner · Eckenroth, DE
Carsten Reichel · Rheinböllen, DE

Key dates

Filing date	Dec 2, 2008
Grant date	Nov 29, 2011
Priority date	—
Expiry date	Dec 2, 2028

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P35/00
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to specific indolinone derivatives, namely the compounds of formula, in which R1 represents an hydrogen atom or a group, and R2 and R3 each represent an hydrogen atom or R2 and R3 taken together represent a group, with the proviso that when R1 represents an hydrogen atom R2 and R3 taken together represent a group, and to a process for their manufacture.

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