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:
Apr. 14, 2020
Filed:
Jun. 16, 2015
Transitions Optical, Inc., Pinellas Park, FL (US);
Anil Kumar, Murrysville, PA (US);
Peter C. Foller, San Fransciso, CA (US);
David Park, Tuam, IE;
Declan Devine, Castletanna, IE;
C. W. M. Bastiaansen, Burgemeester Geurtsweg, NL;
J. P. Teunissen, Margarethastraat, NL;
Martin Cloonan, Craughwell, IE;
Clement L. Higginbotham, Athlone, IE;
Transitions Optical, Inc., Pinellas Park, FL (US);
Abstract
Provided is an oriented polymeric sheet comprising a photochromic-dichroic material, wherein the sheet exhibits dichroism in an activated state. Also provided is a multilayer composite comprising at least a support layer; and an oriented thermoplastic polymeric sheet having two opposing surfaces and comprising a photochromic-dichroic material. The sheet exhibits dichroism in an activated state. At least one surface of the sheet is connected to at least a portion of the support layer. The present invention also relates to an optical element comprising the multilayer composite. Related methods also are disclosed.