| Patent Number |
Title Of Patent |
Date Issued |
| 5772949 |
Thermally expandable, viscosity modified wax compositions and method of use in actuators |
June 30, 1998 |
| A thermally expandable wax composition and its use in polymer-based actuators is disclosed and claimed. The compositions are wax-based and include conductive filler as well as a viscosity modifier to stabilize the composition against segregation. Optionally included are thermoxidative |
| 5762830 |
Electronically and thermally conducting compositions for actuators |
June 9, 1998 |
| This invention discloses a thermally expandable composition for use in actuators. The composition contains about 10-50 volume percent hollow glass spheres in a wax or a polymer. The spheres contain a conducting coating affixed thereon. During use in an actuator, the composition is he |
| 5709740 |
Thermally expandable, viscosity modified wax compositions and method of use in actuators |
January 20, 1998 |
| A thermally expandable wax composition and its use in polymer-based actuators is disclosed and claimed. The compositions are wax-based and include conductive filler as well as a viscosity modifier to stabilize the composition against segregation. Optionally included are thermoxidative |
| 5541240 |
Method for making blends of liquid crystalline and isotropic polymers |
July 30, 1996 |
| Blends of thermotropic liquid crystalline polymers and isotropic melt-processable polymers are made by extruding a molten stream of either a thermotropic liquid crystalline polymer or an isotropic polymer through a heated mixing zone and feeding the other of the two polymers into the |
| 5348990 |
Low dielectric materials |
September 20, 1994 |
| A low dielectric material made of a liquid crystal polymer, polytetrafluoroethylene, and hollow glass spheres. This material is a relatively low cost, low dielectric blend having good physical strength and chemical and temperature resistance. |
| 5044725 |
Polymeric thin film waveguide media |
September 3, 1991 |
| This invention provides polymeric thin film optical waveguide media which exhibit nonlinear optical response, and which have utility as an optical waveguide component in all-optical and electrooptical light switch and light modulator devices. An invention waveguide medium consists of a t |
| 5031235 |
Cable system incorporating highly linear optical modulator |
July 9, 1991 |
| A system incorporating a pair of Mach-Zehnder modulators (164,166) for performing amplitude modulation of an optical carrier is disclosed. Each of the modulators is designed to suppress even order distortion products and develop third order distortion products of opposite sign and equal |
| 5021268 |
Method of making asymmetric Langmuir-Blodgett films |
June 4, 1991 |
| A method is disclosed which uses the Langmuir-Blodgett method to coat a substrate with multiple monomolecular single layers by immersing the substrate through a first layer of a first enclosure of a tank having first and second enclosures on a common subphase, and then withdrawing the |
| 5002361 |
Polymeric thin film waveguide media |
March 26, 1991 |
| This invention provides polymeric thin film optical waveguide media which exhibit nonlinear optical response, and which have utility as an optical waveguide component in all-optical and electrooptical light switch and light modulator devices. An invention waveguide medium consists of a t |
| 4962160 |
Side chain liquid crystalline polymers exhibiting nonlinear optical response |
October 9, 1990 |
| This invention provides novel side chain liquid crystalline polymers which exhibit nonlinear optical response, and which have utility as a transparent optical component in electrooptic light modulator devices.An invention side chain liquid crystalline polymer is illustrated by poly[6-(4- |
| 4948532 |
Side chain liquid crystalline polymers exhibiting nonlinear optical properties |
August 14, 1990 |
| This invention provides novel sidechain liquid crystalline polymers which exhibit nonlinear response, and which have utility as a transparent nonlinear optical component in optical light switch and light modulator devices.An invention sidechain liquid crystalline polymer is illustrated b |
| 4944896 |
Side chain liquid crystalline polymers exhibiting nonlinear optical response |
July 31, 1990 |
| This invention provides novel side chain liquid crystalline polymers which exhibit nonlinear optical response, and which have utility as a transparent optical component in electrooptic light modulator devices.An invention side chain liquid crystalline polymer is illustrated by poly[6-(4- |
| 4944895 |
Process for producing liquid crystalline composites |
July 31, 1990 |
| This invention provides an optical medium which consists of a composite of a homogeneous inorganic oxide glass monolith with a microporous structure containing a liquid crystalline component.In one embodiment this invention provides a sol-gel process for producing a composite of a transp |
| 4937013 |
Process for preparing liquid crystalline polymer composites |
June 26, 1990 |
| This invention provides an optical medium which consists of a composite of a homogeneous inorganic oxide glass monolith with a microporous structure containing a liquid crystalline polymer component.In one embodiment this invention provides a sole-gel process for producing a composite of |
| 4933112 |
Side chain liquid crystalline polymers exhibiting nonlinear optical properties |
June 12, 1990 |
| This invention provides novel sidechain liquid crystalline polymers which exhibit nonlinear response, and which have utility as a transparent nonlinear optical component in optical light switch and light modular devices.An invention sidechain liquid crystalline polymer is illustrated by |
| 4933111 |
Electrooptic device having a liquid crystalline polymer composite optical component |
June 12, 1990 |
| This invention provides an optical medium which consists of a composite of a homogeneous inorganic oxide glass monolith with a microporous structure containing a liquid crystalline polymer component.In one embodient this invention provides a sol-gel process for producing a composite of a |
| 4932738 |
Polarization-insensitive interferometric waveguide electrooptic modulator |
June 12, 1990 |
| In one embodiment this invention provides a polarization-insensitive interferometric waveguide electrooptic modulator device. In a Mach-Zehnder type of waveguide geometry, one of the divergent optical paths has two sets of electrodes, which apply a horizontal electric field and a vertica |
| 4915491 |
Side chain liquid crystalline acrylic copolymers exhibiting nonlinear optical response |
April 10, 1990 |
| This invention provides novel acrylic copolymers which exhibit nonlinear optical response, and which have utility as a transparent optical component in optical light switch and light modulator devices.An invention side chain liquid crystalline polyvinyl polymer is illustrated by poly([6- |
| 4906407 |
Azomethine compositions having nonlinear optical properties |
March 6, 1990 |
| In one embodiment this invention provides a novel class of azomethine compounds which exhibit nonlinear optical response, such as 4-(4-dimethylaminobenzylideneamino)-4'-nitrostilbene: ##STR1## |
| 4898454 |
Optical light switch or modulator device with a liquid crystalline composite optical component |
February 6, 1990 |
| This invention provides an optical medium which consists of a composite of a homogeneous inorganic oxide glass monolith with a microporous structure containing a liquid crystalline component. In one embodiment this invention provides a sol-gel process for producing a composite of a t |
| 4892682 |
Azomethine compositions having nonlinear optical properties |
January 9, 1990 |
| In one embodiment this invention provides a novel class of azomethine compounds which exhibit nonlinear optical response, such as 4-(4-dimethylaminobenzylideneamino)-4'- nitrostilbene: ##STR1## |
| 4882402 |
Side chain liquid crystalline polymeric media exhibiting third order nonlinear optical response |
November 21, 1989 |
| This invention provides a process for producing a transparent optical medium consisting of a liquid crystalline polymer which exhibits third order nonlinear optical response.Illustrative of an invention optical medium is a transparent film of a side chain liquid crystalline polymer corre |
| 4868250 |
Polysiloxane polymers exhibiting nonlinear optical response |
September 19, 1989 |
| This invention provides novel polysiloxane polymers which exhibit nonlinear optical response, and which have utility as a transparent optical component in electrooptic light modulator devices.An invention side chain liquid crystalline polysiloxane polymer is illustrated by the structure: |
| 4855376 |
Side chain liquid crystalline polymers exhibiting nonlinear optical properties |
August 8, 1989 |
| This invention provides novel sidechain liquid crystalline polymers which exhibit nonlinear response, and which have utility as a transparent nonlinear optical component in optical light switch and light modulator devices.An invention sidechain liquid crystalline polymer is illustrated b |
| 4835235 |
Polyvinyl polymers exhibiting nonlinear optical response |
May 30, 1989 |
| This invention provides novel polyvinyl polymers which exhibit nonlinear optical response, and which have utility as a transparent optical component in electrooptic light modulator devices.An invention side chain liquid crystalline polyvinyl polymer is illustrated by poly[6-(4-nitrobiphe |
| 4814211 |
Liquid crystalline composites |
March 21, 1989 |
| This invention provides an optical medium which consists of a composite of homogeneous inorganic oxide glass monolith with a microporous structure containing a liquid crystalline component.In one embodiment this invention provides a sol-gel process for producing a composite of a transpar |
| 4810338 |
Side chain liquid crystalline polymers exhibiting nonlinear optical response |
March 7, 1989 |
| This invention provides novel side chain liquid crystalline polymers which exhibit nonlinear optical response, and which have utility as a transparent optical component in electrooptic light modulator devices.An invention side chain liquid crystalline polymer is illustrated by poly[6-(4- |
| 4796976 |
Side chain liquid crystalline polymeric media exhibiting third order nonlinear optical response |
January 10, 1989 |
| This invention provides a process for producing a transparent optical medium consisting of a liquid crystalline polymer which exhibits third order nonlinear optical response.Illustrative of an invention optical medium is a transparent film of a side chain liquid crystalline polymer corre |
| 4775215 |
Nonlinear optical devices |
October 4, 1988 |
| This invention provides optical devices with an organic nonlinear optical component which is a transparent medium of a wholly aromatic polymer which exhibits a third order nonlinear optical susceptibility .chi..sup.(3) of at least about 1.times.10.sup.-12 esu.Illustrative of an invention |
| 4762912 |
Process for producing polymeric media exhibiting third order nonlinear optical response |
August 9, 1988 |
| This invention provides a process for producing a transparent optical medium consisting of a liquid crystalline polymer which exhibits third order nonlinear optical response.Illustrative of an invention optical medium is a transparent film of a side chain liquid crystalline polymer corre |
| 4694066 |
Polyoxyalkylene polymers exhibiting nonlinear optical response |
September 15, 1987 |
| This invention provides novel polyoxyalkylene polymers which exhibit nonlinear optical response, and which have utility as a transparent optical component in electrooptic light modulator devices.An invention side chain liquid crystalline polyoxyalkylene polymer is illustrated by the stru |
