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| Number | Title | Issue Date |
| 5093883 | Nonlinear optically responsive polymeric waveguides This invention provides process embodiments for the production of second order nonlinear optical media and waveguiding devices. An important aspect of an invention waveguiding device is the use of a novel electrode design which permits the application of ... | 03/03/1992 |
| 5093062 | Process for spinning preceramic polymers Organometallic preceramic polymers are melt spun into fibers utilizing a spinning apparatus which directs the preceramic polymer from a stagnant melt pool of said polymer to a spinneret. The spinneret is one used for solvent spinning and, thus, has a shor... | 03/03/1992 |
| 5087769 | Preparation of 6-substituted-2-vinylnaphthalene A method of forming 6-substituted-2-vinyl naphthalene from a 2-substituted naphthalene compound wherein the substituent in the 2-position is an ortho-para directing electron-donating group not reactive with hydrogen fluoride, comprises contacting the naph... | 02/11/1992 |
| 5084203 | Light transmissive liquid crystalline composite exhibiting a high Kerr effect In one embodiment this invention provides an optical medium which consists of a microdispersion of liquid crystal droplets in a synthetic resin matrix. A preferred invention optical medium exhibits a Kerr effect, and can transmit propagating light waves w... | 01/28/1992 |
| 5077328 | Polyolefin resin composition A filler-containing polyolefin resin composition comprising a resin composition composed of a polyolefin resin and an inorganic filler exhibits an excellent thermal stability despite the presence of the inorganic filler by adding thereto a particular phen... | 12/31/1991 |
| 5061760 | Vinylidene cyanide alternating copolymers exhibiting nonlinear optical and piezoelectric properties In one embodiment this invention provides vinylidene cyanide copolymers with alternating monomeric units as illustrated by the following structure: ##STR1## An invention vinylidene cyanide copolymer in the form of an electret film exhibits a hig... | 10/29/1991 |
| 5061028 | Polymeric waveguides with bidirectional poling for radiation phase-matching This invention provides process embodiments for fabrication of organic optical waveguides. A preferred invention optical waveguide consists of a thin film matrix of three electrodes, one of which has a spatial periodic structure, and a side chain polymeri... | 10/29/1991 |
| 5043121 | Process for removing polyacetal binder from molded ceramic greenbodies with acid gases A process for rapidly removing the binder from a greenbody composed of a sinterable powder dispersed within a polyacetal binder is achieved by contacting the molded ceramic greenbody with an acid which depolymerizes the polyacetal binder.... | 08/27/1991 |
| 5041510 | Acrylic copolymers exhibiting nonlinear optical response This invention provides novel side chain copolymers which exhibit nonlinear optical response, and which have utility as a transparent optical component in all-optical and electrooptical light switch and light modulator devices. An invention side chain cop... | 08/20/1991 |
| 4999457 | Process for the synthesis of 3-chloro-4-hydroxyacetanilide A novel process for the preparation of 3-chloro-4-hydroxyacetanilide in high yields is disclosed which involves reacting N-acetyl-para-aminophenol (APAP) with sulfuryl chloride (SO2 Cl2) as the chlorine source and liquid SO2 | 03/12/1991 |
| 4997601 | Process for dry spinning thermally sensitive organosilicon preceramic fibers with production of ceramic fibers therefrom Preceramic fibers are produced by dissolving a solid organosilicon preceramic polymer in a solvent to form a spinning solution containing at least seventy percent polymer solids, dry spinning and extracting solvent in the presence of a non-oxidizing gas a... | 03/05/1991 |
| 4983325 | High performance nonlinear optical media In one embodiment this invention provides a high performance nonlinear optical medium which comprises a transparent organic polymer film containing an array of charge asymmetric molecules such as 13,13-diamino-14,14-dicyanodiphenoquinodimethane: ##ST... | 01/08/1991 |
| 4978476 | Side chain polymers exhibiting nonlinear optical response This invention provides novel side chain polymers which exhibit nonlinear optical response, and which have utility as a transparent optical component in all-optical and electrooptical light switch and light modulator devices. An invention side chain polym... | 12/18/1990 |
| 4963633 | Bisacrylate monomers and polymers exhibiting nonlinear optical response This invention provides novel bisacrylate monomers and thermoset polymers which exhibit nonlinear optical response. The polymers have utility as a transparent nonlinear optical component in optical light switch and light modulator devices. An invention bi... | 10/16/1990 |
| 4962160 | Side chain liquid crystalline polymers exhibiting nonlinear optical response 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... | 10/09/1990 |
| 4956316 | Process for dispersing silicon carbide whiskers Silicon carbide whiskers such as those used in reinforcing ceramic composites are deagglomerated by dispersing the whiskers in an aqueous silane dispersant comprising a silane containing nonreactive hydrocarbon groups and reactive hydrolyzable groups, a c... | 09/11/1990 |
| 4954288 | Side chain liquid crystalline polymers exhibiting nonlinear optical response This invention provides novel side chain liquid crystalline polymers. An invention polymer exhibits nonlinear optical response, and has utility as a transparent nonlinear optical component in optical light switch and light modulator devices. A present inv... | 09/04/1990 |
| 4944891 | Easily poled 0-3 piezoelectric composites for transducer applications A PZT-polymer composite of 0-3 connectivity further includes a third phase particulate additive of conductive or semiconductive material to increase the electrical conductivity of the polymer matrix.... | 07/31/1990 |
| 4944895 | Process for producing liquid crystalline composites 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 prod... | 07/31/1990 |
| 4940715 | 5H-pyrazolo[4,3-A] quinolizin-5-one compounds exhibiting therapeutic activities This invention provides novel 5H-pyrazolo[4,3-a]-quinolizin-5-one compounds which exhibit a selective inhibitory activity against IgE-antibody formation, and have utility for treatment of allergic diseases associated with IgE formation in mammals, such as... | 07/10/1990 |
| 4938896 | High performance nonlinear optical media In one embodiment this invention provides a high performance nonlinear optical medium which comprises a transparent organic polymer film containing an array of charge asymmetric molecules such as 13,13-diamino-14,14-dicyanodiphenoquinodimethane: ##ST... | 07/03/1990 |
| 4936645 | Waveguide electrooptic light modulator with low optical loss In one embodiment this invention provides a thin film waveguide electrooptic light modulator which consists of (1) a laminated assembly of a waveguiding thin film of an organic polymer which exhibits second order nonlinear optical response, and upper and ... | 06/26/1990 |
| 4932738 | Polarization-insensitive interferometric waveguide electrooptic modulator 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 horizo... | 06/12/1990 |
| 4932737 | Polarization-insensitive linear waveguide electrooptic phase modulator In one embodiment this invention provides a polarization-insensitive linear waveguide electrooptic phase modulator device. In the linear waveguide structure, the optical path has two sets of electrodes, which apply a horizontal electric field and a vertic... | 06/12/1990 |
| 4931100 | Boron-containing preceramic blend and fiber formed therefrom A process for producing boron-containing ceramics such as boron carbide and boron nitride comprises pyrolyzing a blend of a precarbonaceous polymer such as polyacrylonitrile and a boron-containing polymer such as that formed by the reaction of a borane wi... | 06/05/1990 |
| 4929696 | Bisacrylate monomers and polymers exhibiting nonlinear optical response This invention provides novel bisacrylate monomers and thermoset polymers which exhibit nonlinear optical response. The polymers have utility as a transparent nonlinear optical component in optical light switch and light modulator devices. An invention bi... | 05/29/1990 |
| 4914175 | Injection moldable polyimides In one embodiment this invention provides injection moldable polyimides, as exemplified by the condensation and imidization product of a aromatic dianhydride such as 2,2-bis(3,4-dicarboxyphenyl)propane dianhydride with a novel aromatic diamine such as ... | 04/03/1990 |
| 4913844 | Acrylic polymers and copolymers exhibiting nonlinear optical response This invention provides novel isotropic acrylic polymers and 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 isotropic acrylic... | 04/03/1990 |
| 4906407 | Azomethine compositions having nonlinear optical properties 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##... | 03/06/1990 |
| 4898454 | Optical light switch or modulator device with a liquid crystalline composite optical component 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... | 02/06/1990 |
| 4898755 | Inorganic-organic composite compositions exhibiting nonlinear optical response This invention provides an optical medium which consists of an inorganic glass monolith with a microporous structure containing an organic component which exhibits nonlinear optical response. In one embodiment this invention provides a sol-gel process for prod... | 02/06/1990 |
| 4892682 | Azomethine compositions having nonlinear optical properties 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##... | 01/09/1990 |
| 4885113 | Nonlinear optically responsive inorganic-organic composite compositions This invention provides a nonlinear optical medium which is a composite of a microporous inorganic oxide glass which contains an incorporated solution of a solvent and an organic component which exhibits nonlinear optical response. In one embodiment the s... | 12/05/1989 |
| 4882402 | Side chain liquid crystalline polymeric media exhibiting third order nonlinear optical response 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 chai... | 11/21/1989 |
| 4877298 | Thin film waveguide electrooptic modulator This invention provides a thin film waveguide electrooptic intensity modulation device. The thin film waveguide is an isotropic organic medium which exhibits nonlinear optical response. The device is adapted to modulate waveguided radiation by refractive ... | 10/31/1989 |
| 4878224 | Dye lasers In one embodiment this invention provides a tunable laser device which is characterized by a dye laser medium which consists of a porous glass matrix containing an incorporated solution of a lasing dye, and which is adapted to operate continuously in comb... | 10/31/1989 |
| 4873604 | Fuses having suppressed voltage transients A shunt device and a method are described for protecting electrical equipment when a fuse blows. The shunt device establishes a by-pass across the fuse for permitting a limited amount of current to begin to flow at a lower voltage than the fuse blowing vo... | 10/10/1989 |
| 4867538 | Organic nonlinear optical media In one embodiment this invention provides a light switch or light modulator device having a nonlinear optical component which is a blend of organic constituents exhibiting nonlinear optical response. Illustrative of the organic nonlinear optical component is a... | 09/19/1989 |
| 4865406 | Frequency doubling polymeric waveguide In one embodiment this invention provides a frequency doubling optical waveguide consisting of a substrate-supported polymeric thin film which exhibits second order nonlinear optical response, and which has a periodic structure for quasi-phase matching of... | 09/12/1989 |
| 4861129 | Inorganic-organic composite compositions exhibiting nonlinear optical response This invention provides an optical medium which consists of an inorganic glass monolith with a microporous structure containing an organic component which exhibits nonlinear optical response. In one embodiment this invention provides a sol-gel process for prod... | 08/29/1989 |
