1
Kenneth L Smith, Tzu Li J Huang, James C Coderre: Flexible cube-corner retroreflective sheeting. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Karl G Hanson, September 12, 1995: US05450235 (153 worldwide citation)

A retroreflective article 10 has a body portion 14 and a multitude of cube-comer elements 12 that project from a rear side 20 of the body portion 14. The body portion 14 includes a body layer 18 that contains a light-transmissible polymeric material having an elastic modulus less than 7.times.10.sup ...


2
Tzu Li J Huang, Walton J Hammar, James C Coderre, Mirian D Nave: Retroreflective article. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, David B Kagan, May 26, 1992: US05117304 (130 worldwide citation)

The present invention provides improved, flexible retroreflective articles based upon an optically clear, aliphatic polyurethane polymer. The aliphatic polymer has a plurality of hard chain segments of the formula


3
Tzu Li J Huang, John H Ko, Dong Wei Zhu, Bettie C Fong: Patterned article having alternating hydrophilic and hydrophobic surface regions. 3M Innovative Properties Company, Carolyn A Fischer, March 5, 2002: US06352758 (68 worldwide citation)

An article is disclosed that has a patterned surface containing alternating hydrophobic and hydrophilic surface regions. The hydrophobic regions may be sufficiently narrow such that under dew conditions moisture accumulated on the hydrophobic region migrates to the hydrophilic region, thus preventin ...


4
Tzu Li J Huang, Kenneth L Smith, James C Coderre: Flexible cube-corner retroreflective sheeting. 3M Innovative Properties Company, Karl G Hanson, Stephen C Jensen, November 23, 1999: US05988820 (36 worldwide citation)

A retroreflective article 10 has a body portion 14 and a multitude of cube-corner elements 12 that project from a rear side 20 of the body portion 14. The body portion 14 includes a body layer 18 that contains a light-transmissible polymeric material having an elastic modulus less than 7.times.10.su ...


5
Tzu Li J Huang, David A Kaisaki: Polymeric article having improved hydrophilicity and a method of making the same. Minnesota Mining and Manufacturing Company, Karl G Hanson, August 17, 1999: US05939182 (32 worldwide citation)

A hydrophilic polymeric article has metal oxide particles dispersed throughout a polymeric binder material. A major surface of the polymeric material is treated so as to remove polymeric binder to provide a higher ratio of metal to carbon atoms on the major surface of the polymeric article relative ...


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Kenneth L Smith, Tzu Li J Huang, James C Coderre: Flexible cube-corner retroflective sheeting. 3M Innovative Properties Company, Jay R Pralle, March 6, 2007: US07185993 (13 worldwide citation)

A retroreflective article 10 has a body portion 14 and a multitude of cube-corner elements 12 that project from a rear side 20 of the body portion 14. The body portion 14 includes a body layer 18 that contains a light-transmissible polymeric material having an elastic modulus less than 7×108 pascals ...


8
Tzu Li J Huang: Durability improved colloidal silica coating. Minnesota Mining and Manufacturing Company, Karl G Hanson, David R Cleveland, October 13, 1998: US05820978 (9 worldwide citation)

A silica-based water-spreading coating having surfaces of silica particles coated with a metal oxide. The metal comprises aluminum, gallium, germanium, tin, indium, arsenic, antimony or vanadium. The water-spreading coating may be applied to a retroreflective sheeting on a traffic sign.


9
Kenneth L Smith, Tzu Li J Huang, James C Coderre: Flexible cube-corner retroreflective sheeting. 3M Innovative Properties Company, August 4, 2009: US07568807

A retroreflective article 10 has a body portion 14 and a multitude of cube-corner elements 12 that project from a rear side 20 of the body portion 14. The body portion 14 includes a body layer 18 that contains a light-transmissible polymeric material having an elastic modulus less than 7×108 pascals ...


10
Kenneth L Smith, Tzu Li J Huang, James C Coderre: Flexible cube-corner retroreflective sheeting. 3M Innovative Properties Company, 3m Innovative Properties Company, January 18, 2007: US20070014011-A1

A retroreflective article 10 has a body portion 14 and a multitude of cube-corner elements 12 that project from a rear side 20 of the body portion 14. The body portion 14 includes a body layer 18 that contains a light-transmissible polymeric material having an elastic modulus less than 7×108 pascals ...