Patent · US Expired

Olopatadine formulations for topical administration

US7402609B2 · kind B2 · utility

1Cited by

13References

1Claims

0Family size

Assignee

ALCON INC. · CH

Inventors

Ernesto J. Castillo · Saint Peters, US
Wesley Wehsin Han · Arlington, US
Huixiang Zhang · Fort Worth, US
Haresh Bhagat · Fort Worth, US
Onkar N. Singh · Arlington, US
Joseph Paul Bullock · Fort Worth, US
Suresh Dixit · Hillsborough Township, US

Key dates

Filing date	Mar 15, 2005
Grant date	Jul 22, 2008
Priority date	—
Expiry date	Mar 15, 2025

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P37/08
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Topical formulations of olopatadine for treatment of allergic or inflammatory disorders of the eye and nose are disclosed. The aqueous formulations contain approximately 0.17-0.62% (w/v) of olopatadine and an amount of polyvinylpyrrolidone or polystyrene sulfonic acid sufficient to enhance the physical stability of the formulations.

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