Shih Lai Lu, Todd R Williams: Microstructure-bearing composite plastic articles and method of making. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Steven E Skolnick, December 29, 1992: US05175030 (288 worldwide citation)

A microstructure-bearing composite plastic article can be superior, both in microstructure and in physical properties, when it is a composite of a tough, flexible substrate, at a surface of which is microstructure formed of a cured oligomeric resin having hard segments and soft segments, which cured ...

Todd R Williams, Daniel J Kingston: Prevention of groove tip deformation in brightness enhancement film. Minnesota Mining and Manufacturing company, Gary L Griswold, Walter N Kirn, Robert H Jordan, May 6, 1997: US05626800 (173 worldwide citation)

A method of producing a microstructure bearing article that includes the steps of molding the microstructure on the base, curing the resin that forms the microstructure, and heat treating the microstructure. The heat treating is performed at a temperature that is at least equal to a normal glass tra ...

Bettie C Fong, Wade D Kretman, Keith M Kotchick, Sanford Cobb Jr, Richard A Miller, Todd R Williams, Kazuhiko Toyooka: Brightness enhancement article. 3M Innovative Properties Company, Stephen W Buckingham, August 28, 2001: US06280063 (144 worldwide citation)

A brightness enhancement article that includes: (a) a transparent, flexible substrate; (b) a first major surface having an array of prisms with blunted or rounded peaks characterized by a chord width, cross-sectional pitch width, and radius of curvature in which the chord width is equal to about 20- ...

Stephen W Bany, Robert J Koshar, Todd R Williams: Ophthalmic devices fabricated from urethane acrylates of polysiloxane alcohols. Minnesota Mining and Manufacturing Company, Donald M Sell, James A Smith, Lorraine R Sherman, September 24, 1985: US04543398 (120 worldwide citation)

Shaped articles, particularly ophthalmic devices, can be fabricated from oxygen transmissive, hydrolytically stable, polysiloxane copolymers of readily prepared poly(organosiloxane) monomers having monourethane acrylate groups and copolymerizable ethylenically-unsaturated monomers. The ophthalmic de ...

Joel D Oxman, F Andrew Ubel III, Lani S Kangas, Todd R Williams: Preloaded thermoplastic dental impression tray. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Dale A Bjorkman, May 16, 1995: US05415544 (74 worldwide citation)

A preloaded impression tray (5a), comprising a thermoplastic impression material (7) at least partially enveloped by a shell (1a), the thermoplastic impression material being a plasticized solid and having:

David B Olson, Bettie C Fong, Ying Yuh Lu, Cheryl L Moore, Todd R Williams: High refractive index pressure-sensitive adhesives. 3M Innovative Properties Company, Bruce E Black, December 16, 2003: US06663978 (38 worldwide citation)

The present invention provides pressure-sensitive adhesives having a refractive index of at least 1.48. The pressure-sensitive adhesives comprise at least one monomer containing a substituted or an unsubstituted aromatic moiety.

Todd R Williams: Scratch resistant optical films and method for producing same. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Robert H Jordan, June 3, 1997: US05635278 (37 worldwide citation)

A film that exhibits increased scratch resistant characteristics. The film is formed from a layer of crosslinkable oligomeric resin composition on a base. The film is made by: forming the layer of crosslinkable oligomeric resin composition on the base, and curing the resin composition to an extent t ...

Todd R Williams: Flame retardant ultraviolet cured multi-layered film. Minnesota Mining and Manufacturing Company, Robert H Jordan, January 5, 1999: US05855983 (26 worldwide citation)

A flame resistant composite film includes a first layer and a second layer that are joined together. The first layer has a light transmission of at least 93 percent and is substantially constructed from a radiation-cured polymer and a flame retardant material. The second layer is constructed primari ...

Lori P Engle, Robert T Fehr, Patrick R Fleming, Paul D Graham, Douglas A Huntley, Verna J LeMire, Jeffrey L Solomon, Todd R Williams, Caroline M Ylitalo: Random microembossed receptor media. 3M Innovative Properties Company, Scott R Pribnow, November 18, 2003: US06649249 (25 worldwide citation)

A receptor medium with a sheet having a random microembossed imaging surface as one major surface thereof. The receptor medium can receive jettable materials, which include inks, adhesives, biological fluids, chemical assay reagents, particulate dispersions, waxes, electrically, thermally, or magnet ...

Sharon R Benjamin, Michael Govek, Patrick D Hyde, John H Ko, Philip G Martin, Joel D Oxman, William L Parish Jr, Carole Sedlock, Richard L Severance, F Andrew Ubel, Todd R Williams: Thermoplastic lens blocking material. 3M Innovative Properties Company, Eloise J Maki, March 14, 2000: US06036313 (17 worldwide citation)

The present invention provides thermoplastic ophthalmic lens blocking compositions that have many advantages over traditional metal alloy materials. Preferred compositions comprise a homopolymer or copolymer of epsilon-caprolactone, have a number average molecular weight between 3,000 and 100,000, a ...