Patent · US Active

Reference markers for fesoterodine fumarate

US9440910B2 · kind B2 · utility

0Cited by

0References

9Claims

0Family size

Assignee

Alembic Pharmaceuticals Limited · IN

Inventors

Venkatraman Jayaraman · Vadodara, IN
Sundara Kalyana Balaji · Vadodara, IN
Samir Patel · Scottsdale, US
Thakor Indrajit · Vadodara, IN
Viral Parekh · Morbi, IN
Mahesh Ladani · Vadodara, IN
Chetan Patil · Vadodara, IN
Ronak Patel · Vadodara, IN
Darshan Parmar · Vadodara, IN

Key dates

Filing date	Jan 8, 2013
Grant date	Sep 13, 2016
Priority date	—
Expiry date	Mar 1, 2033

Classification

Technology area (CPC G)Physics
CPC primaryG01N33/15
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The present invention relates to the new impurities of Fesoterodine, Fesoterodine symmetric dimer impurity and asymmetric dimer impurity, process for preparing and isolating thereof. The invention also deals with analytical standards and analytical methods used for the control of the production process and final quality of Fesoterodine.

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