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. 27, 2006
Filed:
Apr. 13, 2005
Venkat Sekharipuram, Roanoke, VA (US);
Hosadurga K. Shobha, Blacksburg, VA (US);
James E. Mcgrath, Blacksburg, VA (US);
Atul Bhatnagar, Roanoke, VA (US);
Venkat Sekharipuram, Roanoke, VA (US);
Hosadurga K. Shobha, Blacksburg, VA (US);
James E. McGrath, Blacksburg, VA (US);
Atul Bhatnagar, Roanoke, VA (US);
Essilor International (Compagnie Generale D'Optique), , FR;
Virginia Tech Intellectual Properties, Inc., Blacksburg, VA (US);
Abstract
High refractive index, melt processable polyphosphonates and methods for preparing the same are provided. These polymers are particularly useful for optical and ophthalmic parts, such as lenses. A method of preparing optical and ophthalmic lenses by injection molding the polymers of the present invention into the form of the optical or ophthalmic lenses is also provided.