The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 23, 2009
Filed:
Dec. 19, 2005
Yadagiri R. Pendri, South Glastonbury, CT (US);
Chung-pin H. Chen, Madison, CT (US);
Jing Liang, Princeton, NJ (US);
Shaopeng Wang, King of Prussia, PA (US);
Milan Stojanovic, Fort Lee, NJ (US);
Richard P. Polniaszek, Redwood City, CA (US);
John Thottathil, Ivanhoe, IL (US);
Dhileepkumar Krishnamurty, Brookfield, CT (US);
Yadagiri R. Pendri, South Glastonbury, CT (US);
Chung-Pin H. Chen, Madison, CT (US);
Jing Liang, Princeton, NJ (US);
Shaopeng Wang, King of Prussia, PA (US);
Milan Stojanovic, Fort Lee, NJ (US);
Richard P. Polniaszek, Redwood City, CA (US);
John Thottathil, Ivanhoe, IL (US);
Dhileepkumar Krishnamurty, Brookfield, CT (US);
Bristol-Myers Squibb Company, Princeton, NJ (US);
Abstract
Intermediates useful in the preparation of the antiviral agent entecavir are disclosed. A resin adsorption process for the isolation and purification of entecavir is also disclosed. Various processes useful in the preparation of entecavir are also disclosed.