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:
Dec. 23, 2008
Filed:
Feb. 25, 2008
Timothy J. Hebrink, Oakdale, MN (US);
Martin E. Denker, Vadnais Heights, MN (US);
Bert T. Chien, St. Paul, MN (US);
Matthew B. Johnson, St. Paul, MN (US);
Richard J. Thompson, Lino Lakes, MN (US);
Kristopher J. Derks, Maplewood, MN (US);
William W. Merrill, White Bear Lake, MN (US);
Fuming B. LI, Woodbury, MN (US);
Timothy J. Hebrink, Oakdale, MN (US);
Martin E. Denker, Vadnais Heights, MN (US);
Bert T. Chien, St. Paul, MN (US);
Matthew B. Johnson, St. Paul, MN (US);
Richard J. Thompson, Lino Lakes, MN (US);
Kristopher J. Derks, Maplewood, MN (US);
William W. Merrill, White Bear Lake, MN (US);
Fuming B. Li, Woodbury, MN (US);
Abstract
Modified copolyesters having relatively low refractive indices and relatively high glass transition temperatures are disclosed. These modified copolyesters can be used in forming one or more layers in an optical film, such as a multilayer polymer film.