Patent · US Active

Polymorphs of bromfenac sodium and methods for preparing bromfenac sodium polymorphs

US8481780B2 · kind B2 · utility

2Cited by

6References

32Claims

0Family size

Assignee

Johnson Matthey Public Limited Company · GB

Inventors

Saroop Singh Matharu · Shirley, US
Gurijala Venu Reddy · Lancaster, US
James J. Mencel · North Wales, US
Xiaoyong Sun · Acton, US

Key dates

Filing date	Sep 25, 2012
Grant date	Jul 9, 2013
Priority date	—
Expiry date	Sep 25, 2032

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07B2200/13
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Different polymorphs of bromfenac sodium may be prepared and interconverted using crystallization/recrystallization, drying and/or hydration techniques.

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