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Pub. No.: WO/2010/121019 International Application No.: PCT/US2010/031225
Publication Date: 21.10.2010 International Filing Date: 15.04.2010
IPC: B32B 3/00 (2006.01)
Applicants: 3M INNOVATIVE PROPERTIES COMPANY [US/US]; 3M Center Post Office Box 33427 Saint Paul, Minnesota 55133-3427 (US) (All Except US).
COGGIO, William D., [US/US]; (US) (US Only).
HUIZINGA, John S., [US/US]; (US) (US Only).
STEINER, Michael L., [US/US]; (US) (US Only). ---- schau mal einer an
WATKINS, Robert F., [US/US]; (US) (US Only).
HAO, Encai, [CN/US]; (US) (US Only).
KOLB, William Blake, [US/US]; (US) (US Only).
ZHU, Peiwang, [CN/US]; (US) (US Only).
FREE, Michael Benton, [US/US]; (US) (US Only).
KOLB, Brant U., [US/US]; (US) (US Only).
CHEN-HO, Kui, [US/US]; (US) (US Only).
HUMPAL, Paul E., [US/US]; (US) (US Only).
SMITH, Kenneth L., [US/US]; (US) (US Only).
TAPIO, Scott M., [US/US]; (US) (US Only).
Inventors: COGGIO, William D.,; (US).
HUIZINGA, John S.,; (US).
STEINER, Michael L.,; (US).
WATKINS, Robert F.,; (US).
HAO, Encai,; (US).
KOLB, William Blake,; (US).
ZHU, Peiwang,; (US).
FREE, Michael Benton,; (US).
KOLB, Brant U.,; (US).
CHEN-HO, Kui,; (US).
HUMPAL, Paul E.,; (US).
SMITH, Kenneth L.,; (US).
TAPIO, Scott M.,; (US).
Agent: NOWAK, Sandra K.,; 3M Center Office of Intellectual Property Counsel Post Office Box 33427 Saint Paul, Minnesota 55133-3427 (US) .
Priority Data: 61/169,532 15.04.2009 US
Title: RETROREFLECTING OPTICAL CONSTRUCTION
Abstract: Retroreflecting optical constructions are disclosed. A disclosed retroreflecting optical construction includes a retroreflecting layer that has a retroreflecting structured major surface, and an optical film that is disposed on the retroreflecting structured major surface of the retroreflecting layer. The optical film has an optical haze that is not less than about 30%. Substantial portions of each two neighboring major surfaces in the retroreflecting optical construction are in physical contact with each other.
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