1
Andrew J Ouderkirk, Lockwood W Carlson, Arthur L Kotz, Timothy J Nevitt, Carl A Stover, Michael F Weber, Richard C Allen, Biswaroop Majumdar: Diffusely reflecting polarizing element including a first birefringent phase and a second phase. Minnesota Mining and Manufacturing Company, John A Fortkort, October 20, 1998: US05825543 (298 worldwide citation)

An optical film with a disperse phase of polymeric particles disposed within a continuous birefringent matrix. The film is oriented, typically by stretching, in one or more directions. The size and shape of the disperse phase particles, the volume fraction of the disperse phase, the film thickness, ...


2
Richard C Allen, Lockwood W Carlson, Andrew J Ouderkirk, Michael F Weber, Arthur L Kotz, Timothy J Nevitt, Carl A Stover, Biswaroop Majumdar: Brightness enhancement film. 3M Innovative Properties Company, John A Fortkort, August 29, 2000: US06111696 (278 worldwide citation)

An optical film is provided which comprises a disperse phase of polymeric particles disposed within a continuous birefringent matrix in combination with light directing materials to enable control of light emitted from a lighting fixture or display. The film is oriented, typically by stretching, in ...


3
Andrew J Ouderkirk, Lockwood W Carlson, Arthur L Kotz, Timothy J Nevitt, Carl A Stover, Michael F Weber, Richard C Allen, Biswaroop Majumdar: Method for making an optical film. Minnesota Mining and Manufacturing Company, John A Fortkort, July 21, 1998: US05783120 (215 worldwide citation)

An optical film is provided which includes a disperse phase of polymeric particles disposed within a continuous birefringent matrix. The film is oriented, typically by stretching, in one or more directions. The size and shape of the disperse phase particles, the volume fraction of the disperse phase ...


4
Lockwood W Carlson, Arthur L Kotz, Timothy J Nevitt, Andrew J Ouderkirk, Carl A Stover, Michael F Weber, Richard C Allen, Biswaroop Majumdar: Multilayer film having a continuous and disperse phase. Minnesota Mining and Manufacturing Company, John A Fortkort, February 2, 1999: US05867316 (158 worldwide citation)

An optical film is provided which includes a disperse phase of polymeric particles disposed within a continuous birefringent matrix. The film is oriented, typically by stretching, in one or more directions. The size and shape of the disperse phase particles, the volume fraction of the disperse phase ...


5
Richard C Allen, Lockwood W Carlson, Andrew J Ouderkirk, Michael F Weber, Arthur L Kotz, Timothy J Nevitt, Carl A Stover, Biswaroop Majumdar: Brightness enhancement film. 3M Innovative Properties Company, John A Fortkort, Stephen C Jensen, July 6, 2004: US06760157 (156 worldwide citation)

An optical film is provided which comprises a disperse phase of polymeric particles disposed within a continuous birefringent matrix in combination with light directing materials to enable control of light emitted from a lighting fixture or display. The film is oriented, typically by stretching, in ...


6
Philip E Watson, Keith M Kotchick, Richard C Allen: Non-inverting transflective assembly. 3M Innovative Properties Company, January 10, 2006: US06985291 (134 worldwide citation)

A film that includes a first reflective polarizer substantially reflecting light having a first polarization state and substantially transmitting light having a second polarization state, a polarization rotating layer or depolarizing layer (or both) positioned to receive light passing through the fi ...


7
Richard C Allen: Infrared data communications. Photonics Corporation, Limbach Limbach & Sutton, December 11, 1990: US04977618 (119 worldwide citation)

The present invention is an apparatus for wireless communications of information between two locations. A transmitter means modulates the information into infrared radiation at a first location. The infrared radiation is transmitted by the transmitter to a reflecting surface along a straight line pa ...


8
William W Merrill, Richard C Allen, Ronald J Tabar, Peter D Condo, Timothy J Nevitt: Optical film and process for manufacture thereof. 3M Innovative Properties Company, William D Miller, January 30, 2001: US06179948 (102 worldwide citation)

Optical films and processes for forming the optical films are described in which materials having different properties are used and the different properties are exploited to obtain improved optical and/or mechanical properties of the optical film. The different properties of the materials may be use ...


9
Joseph T Strupczewski, Beth Ann Gardner, Richard C Allen: 3-(4-Piperidyl)-1,2-benzisoxales. Hoechst Roussel Pharmaceuticals, Raymond R Wittekind, October 19, 1982: US04355037 (92 worldwide citation)

Novel 3-(4-piperidyl)-1,2-benzisoxazoles, intermediates and processes for the preparation thereof, and methods for alleviating pain utilizing compounds or compositions thereof are disclosed.


10
Ralph H Bland, James M Jonza, James D Smith, Richard C Allen, Jeffrey F Bradley, Kenneth B Smith, Bruce D Stambaugh: Tear resistant multilayer films and articles incorporating such films. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Steven E Skolnick, June 27, 1995: US05427842 (72 worldwide citation)

A tear resistant film comprises more than five layers situated one on the other in a parallel array. The layers are individually selected from a stiff polyester or copolyester, a ductile polymeric material, and optionally, an intermediate material. The stiff polyester or copolyester is oriented in a ...