‌

US Patent 7485726 Process for the preparation of risedronate sodium hemi-pentahydrate

Patent 7485726 was granted and assigned to Aurobindo Pharma on February, 2009 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors

Is a

Patent

Patent attributes

Current Assignee

Aurobindo Pharma

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7485726

Patent Inventor Names

Ramesh Dandala0

Srinivasa Rao V. N Divvela0

Sivakumaran Meenakshisunderam0

Lenin Racha0

Date of Patent

February 3, 2009

Patent Application Number

11653556

Date Filed

January 16, 2007

Patent Primary Examiner

‌

Charanjit S. Aulakh

Patent abstract

The present invention relates to an improved process for the selective crystallization of 3-pyridyl-1-hydroxyethylidene-1,1-bisphosphonic acid sodium in pure hemi-pentahydrate form of Formula (I), by first converting 3-pyridyl-1-hydroxyethylidene-1,1-bisphosphonic acid into organic amine salt and then by replacing it with sodium salt.

Timeline

No Timeline data yet.

Further Resources

Title

Author

Link

Type

Date

No Further Resources data yet.

References

Find more entities like US Patent 7485726 Process for the preparation of risedronate sodium hemi-pentahydrate

Use the Golden Query Tool to find similar entities by any field in the Knowledge Graph, including industry, location, and more.

Open Query Tool

Access by API