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:
Jul. 19, 2011
Filed:
Sep. 14, 2007
Stephen F. Hahn, Lake Jackson, TX (US);
Kenneth W. Williams, Lake Jackson, TX (US);
Phillip L. Wing, Houston, TX (US);
Weijun Zhou, Lake Jackson, TX (US);
Stephen F. Hahn, Lake Jackson, TX (US);
Kenneth W. Williams, Lake Jackson, TX (US);
Phillip L. Wing, Houston, TX (US);
Weijun Zhou, Lake Jackson, TX (US);
Dow Global Technologies LLC, Midland, MI (US);
Abstract
The present invention is a bulk light diffuser material based upon a hydrogenated block copolymer, but including a particulate light diffusing component. The material may be in the form of a film, a sheet or a molded article. When present as a sheet having a thickness of 2 millimeters, the sheet has a percent total transmittance of at least 50% and a haze of at least 70%, measured according to the American Society for Testing and Materials (ASTM) standard D 1003.