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Inventor:
Cella; James Anthony
Address:
Clifton Park, NY
No. of patents:
49
Patents:












Patent Number Title Of Patent Date Issued
8101699 Electron-transporting polymers January 24, 2012
The invention relates to polymers useful in optoelectronic devices and comprising structural unit of formula I: ##STR00001## wherein R.sup.1 and R.sup.2 are independently at each occurrence, hydrogen, a C.sub.1-C.sub.20 aliphatic radical, a C.sub.3-C.sub.20 aromatic radical, or a
8053536 Functionalized polyfluorenes for use in optoelectronic devices November 8, 2011
The present invention relates to process comprising reacting a polyfluorenes comprising at least one structural group of formula I ##STR00001## with an iridium (III) compound of formula II ##STR00002## wherein R.sup.1 and R.sup.2 are independently alkyl, substituted alkyl, aryl,
8052892 2,5-linked polyfluorenes for optoelectronic devices November 8, 2011
Polyfluorene polymers and copolymers having substantial amounts (10-100%) of fluorenes coupled at the 2 and 5 positions of fluorene are useful as active layers in OLED devices where triplet energies >2.10 eV are required.
8048956 Functionalized polyfluorenes for use in optoelectronic devices November 1, 2011
The present invention relates to process comprising reacting a polyfluorenes comprising at least one structural group of formula I ##STR00001## with an iridium (III) compound of formula II ##STR00002## The invention also relates to the polyfluorenes, which are products of the react
7977413 Thermally responsive ink and coating compositions July 12, 2011
A thermally responsive ink composition consisting of at least one halochromic optical-state change material, at least one base, at least one solvent, and at least one binder material. The pH of the ink composition is such that the halochromic optical-state change material remains in
7973126 Emissive polymeric materials for optoelectronic devices July 5, 2011
Polymers including at least one structural unit derived from a compound of formula I or including at least one pendant group of formula II may be used in optoelectronic devices ##STR00001## wherein R.sup.1, R.sup.3, R.sup.4 and R.sup.6 are independently hydrogen, alkyl, alkoxy,
7968004 2,5-linked polyfluorenes for optoelectronic devices June 28, 2011
Polyfluorene polymers and copolymers having substantial amounts (10-100%) of fluorenes coupled at the 2 and 5 positions of fluorene are useful as active layers in OLED devices where triplet energies >2.10 eV are required.
7910386 Method of making organic light emitting devices March 22, 2011
The present invention provides a method for the preparation of organic light-emitting devices comprising a bilayer structure made by forming a first film layer comprising an electroactive material and an INP precursor material, and exposing the first film layer to a radiation source
7830081 Optoelectronic devices with multilayered structures November 9, 2010
Optoelectronic devices include polysiloxanes derived from hydrosilation of an organometallic compound of formula L.sub.2MZ,wherein L and Z are independently bidentate ligands; at least one of L and Z comprises alkenyl, alkenylaryl, alkenyloxy, alkenyloxyaryl, alkynyl, alkynylaryl,
7731866 2,5-linked polyfluorenes for optoelectronic devices June 8, 2010
Polyfluorene polymers and copolymers having substantial amounts (10-100%) of fluorenes coupled at the 2 and 5 positions of fluorene are useful as active layers in OLED devices where triplet energies >2.10 eV are required.
7718277 Electronic devices comprising organic iridium compositions May 18, 2010
The present invention provides electronic devices comprising novel polymeric organic iridium compositions which provide for enhanced device performance. The polymeric organic iridium compositions employed comprise a polymeric organic iridium compound comprising at least one cyclometa
7718087 Organic iridium compositions and their use in electronic devices May 18, 2010
The present invention provides compositions comprising at least one novel polymeric organic iridium compound which comprises at least one cyclometallated ligand and at least one ketopyrrole ligand. The polymeric organic iridium compositions of the present invention are referred to as
7704610 Electronic devices comprising organic iridium compositions April 27, 2010
The present invention provides electronic devices comprising novel polymer compositions which provide for enhanced device performance. The polymer compositions employed comprise a polymeric component and a novel organic iridium compound comprising at least one cyclometallated ligand and
7695640 Organic iridium compositions and their use in electronic devices April 13, 2010
The present invention provides novel polymer compositions comprising a polymeric component and a novel organic iridium compound comprising at least one cyclometallated ligand and at least one ketopyrrole ligand. The organic iridium compounds used in the polymer compositions are referred
7691494 Electronic devices comprising organic iridium compositions April 6, 2010
The present invention provides electronic devices comprising novel organic iridium compositions which provide for enhanced device performance. The novel iridium compositions employed comprise at least one novel organic iridium compound which comprises at least one cyclometallated ligand
7691292 Organic iridium compositions and their use in electronic devices April 6, 2010
The present invention provides compositions comprising at least one novel organic iridium compound which comprises at least one cyclometallated ligand and at least one ketopyrrole ligand. The organic iridium compositions of the present invention are referred to as Type (1) organic ir
7663301 Porphyrin compositions February 16, 2010
Novel metal porphyrin compositions useful as organic phosphors are provided. The novel compositions are prepared from commercially available porphyrin-containing starting materials. In one instance a novel palladium-containing porphyrin composition having a number average molecular w
7652126 Monomers and polymers comprising conjugated groups and methods for making thereof January 26, 2010
Disclosed is a polymer composition derived from a bis-phenol comprising a conjugated aromatic radical, optionally comprising nitrogen. Suitable bis-phenols as well as methods for making said polymer are also disclosed. Also disclosed are electroactive layers comprising said polymer a
7635792 2,5-linked polyfluorenes for optoelectronic devices December 22, 2009
Polyfluorene polymers and copolymers having substantial amounts (10-100%) of fluorenes coupled at the 2 and 5 positions of fluorene are useful as active layers in OLED devices where triplet energies >2.10 eV are required.
7633220 Optoelectronic devices with multilayered structures December 15, 2009
Optoelectronic devices include a polymer composition derived from reaction between a hydrosiloxane and a polyfluorene comprising structural units of formula I ##STR00001## wherein R.sup.1 and R.sup.2 are independently alkyl, substituted alkyl, alkenyl, alkynyl, substituted alkenyl,
7625596 Adhesion promoter, electroactive layer and electroactive device comprising same, and method December 1, 2009
In one embodiment the present invention discloses a method for making a first layer in an electroactive device comprising the steps of (i) preparing a composition by mixing at least one adhesion promoter material and at least one electroactive material; and (ii) depositing said compo
7608677 Method for preparing polymeric organic iridium compositions October 27, 2009
The present invention provides a method for the preparation of polymeric organic iridium complexes useful in electronic devices such as OLEDs. The method provides polymeric organic iridium compositions comprising at least one cyclometallated ligand and at least one ketopyrrole ligand. Th
7547749 Triazine compounds, polymers comprising triazine structural units, and method June 16, 2009
In various embodiments the present invention comprises 2,4,6-trisubstituted-1,3,5-triazine capping agents comprising one, two, or three leaving groups as substituents with any remaining substituents being essentially inert to reaction with a nucleophilic group on a polymer or monomer
7390857 Crosslinkable and crosslinked polymers June 24, 2008
Crosslinkable polymeric materials are disclosed useful for the temporal stabilization of a poling-induced noncentrosymmetric host lattice containing guest nonlinear optical chromophores. The materials are also suitable as crosslinkable coatings in the absence of chromophores. Also di
7381985 Bis-carbazole monomers and polymers June 3, 2008
The invention relates to compounds of formula I ##STR00001## wherein R.sup.1, R.sup.2, and R.sup.4 are independently at each occurrence a C.sub.1-C.sub.20 aliphatic radical, a C.sub.3-C.sub.20 aromatic radical, or a C.sub.3-C.sub.20 cycloaliphatic radical; R.sup.3 and R.sup.5 are in
7268237 Direct dianhydride synthesis September 11, 2007
This invention is related to a method for making diether dianhydrides by the reaction of halophthalic anhydride and a metal salt of an aromatic dihydroxy compound in the presence of a solvent and a phase transfer catalyst. Typical phase transfer catalyst include guanidium salts, amin
7259223 Process for the production of polycarbonate August 21, 2007
A process for the production of polycarbonate having increased end-cap levels, the process comprising adding a terminal blocking agent of the formula: ##STR00001## wherein R.sub.1 is a propoxy or butoxy and R.sub.2 is selected from the group consisting of C.sub.1-C.sub.30 alkyl, C
7241851 Silicone condensation reaction July 10, 2007
A new silicone condensation reaction, the condensation between an alkoxy silane or siloxane or a dihydric phenol and an organo-hydrosilane or siloxane and catalysts therefore is described and claimed.
7235611 Triazine compounds, polymers comprising triazine structural units, and method June 26, 2007
In various embodiments the present invention comprises 2,4,6-trisubstituted-1,3,5-triazine capping agents comprising one, two, or three leaving groups as substituents with any remaining substituents being essentially inert to reaction with a nucleophilic group on a polymer or monomer
7166244 Thermally crosslinked polymers January 23, 2007
Crosslinking between polymer chains having olefin groups occurs by heating the polymer chains in the presence of a catalyst. Mixtures of polymer and catalyst can be dried and cast into films at ambient temperatures and remain non-crosslinked and soluble for extended periods. However, upo
7148370 Process for synthesis of diorganosilanes by disproportionation of hydridosiloxanes December 12, 2006
The present invention provides a novel method for the preparation of diorganosilanes by disproportionation of a hydridosiloxanes comprising at least one terminal SiH group and at least one siloxane bond in the presence of Lewis acid catalysts. The reaction is both selective and occur
7147906 Data storage medium comprising polyimides December 12, 2006
In one aspect the present invention provides a storage medium for data, the storage medium comprising: a) a substrate, a physical portion of which comprises at least one polyimide, and b) at least one data layer on the substrate. The substrate comprising a polyimide exhibits low axial
7115700 Method of polycarbonate preparation October 3, 2006
Polycarbonates containing low or undetectable levels of Fries rearrangement products and comprising repeat units derived from one or more of resorcinol, hydroquinone, methylhydroquinone, bisphenol A, and 4,4'-biphenol have been prepared by the melt reaction of one or more of the afor
7064173 Silicone condensation reaction June 20, 2006
A new silicone condensation reaction, the condensation between an alkoxy silane or siloxane and an organo-hydrosilane or siloxane and catalysts therefore is described and claimed.
6977057 Embossing process December 20, 2005
A method for manufacturing an embossed surface including a polymer composition having reactive moieties and a first glass transition temperature of T.sub.g1. The method includes embossing the surface at temperature T.sub.emb ; and raising the first glass transition temperature T.sub.
6891015 Solventless preparation of ester-substituted diaryl carbonates May 10, 2005
High yields of ester-substituted diary carbonates such as bis-methyl salicyl carbonate were obtained by the condensation of ester-substituted phenols with phosgene in the presence of a phase transfer catalyst (PTC) and optionally a tertiary amine catalyst in a solvent free reaction syste
6870025 Method of polycarbonate preparation March 22, 2005
Polycarbonates containing low or undetectable levels of Fries rearrangement products and comprising repeat units derived from one or more of resorcinol, hydroquinone, methylhydroquinone, bisphenol A, and 4,4'-biphenol have been prepared by the melt reaction of one or more of the afor
6653434 Process for the production of polycarbonate November 25, 2003
A process for the production of polycarbonate by melt-polycondensing an aromatic dihydroxy compound and diphenylcarbonate, the process comprising adding the to polycarbonate under melt conditions a compound of the formula (1): ##STR1##wherein R.sub.1 and R.sub.3 may be the same or di
6630525 Polycarbonate-siloxane copolymers October 7, 2003
A polycarbonate is provided which contains residues of a dihydric phenol, at least one comonomer of a siloxane functional bisphenol, optionally, a branching agent and optionally, a flame retardant. Further embodiments of the present invention includes a method for producing a flame retar
6620902 Process for preparing polycarbonate and apparatus for preparing polycarbonate September 16, 2003
A process for preparing an end-capped polycarbonate comprises melt reacting an aromatic dihydroxy compound, a carbonic acid diester, and optionally a catalyst in a prepolymerization vessel to form a polycarbonate product; transferring the polycarbonate product from the prepolymerization
6590068 Reduction of reaction by-products in polycarbonate resins July 8, 2003
Polycarbonate resin containing reduced levels of reaction by-products can be prepared by adding to the polycarbonate a scavenging agent having the formula: ##STR1##wherein R.sub.1 is alkoxy, phenoxy, benzyloxy or phenyl, and R.sub.2 is a substituted or unsubstituted C.sub.1 -C.sub.30
6500914 Method for end-capping polycarbonate resins and composition for use in same December 31, 2002
A method for end-capping polycarbonate resins, comprising the step of processing a mixture comprising a polycarbonate having free hydroxyl-end groups and an end-capping reagent in a melt transesterification reaction to produce a polycarbonate resin, wherein the end-capping reagent co
6469192 Solventless preparation of ester-substituted diaryl carbonates October 22, 2002
High yields of ester-substituted diary carbonates such as bis-methyl salicyl carbonate were obtained by the condensation of ester-substituted phenols with phosgene in the presence of a phase transfer catalyst (PTC) and optionally a tertiary amine catalyst in a solvent free reaction syste
6291700 Method for preparing sterically hindered phosphoramidates September 18, 2001
Sterically hindered phosphoramidates such as N,N'-bis[di-(2,6-xylyl)phosphoryl]piperazine are prepared by the reaction of a sterically hindered diaryl chlorophosphate, such as di-(2,6-xylyl) chlorophosphate, with a basic nitrogen compound containing at least two basic N--H groups, pr
6277988 Solvent-free method for preparing sterically hindered phosphoramidates August 21, 2001
Sterically hindered phosphoramidates such as N,N'-bis[di-(2,6-xylenoxy)phosphinyl]piperazine are prepared by the reaction of a sterically hindered diaryl chlorophosphate, such as di-(2,6-xylyl) chlorophosphate, with a basic nitrogen compound containing at least two basic N--H groups,
6191276 Method for preparing sterically hindered phosphoramidates February 20, 2001
Sterically hindered phosphoramidates such as N,N'-bis[di-(2,6-xylenoxy)phosphoryl]piperazine are prepared by the reaction of a sterically hindered diaryl chlorophosphate, such as di-(2,6-xylyl) chlorophosphate, with a basic nitrogen compound containing at least two basic N-H groups,
6187447 Condensation curable silicone foul release coatings and articles coated therewith February 13, 2001
Anti-fouling coatings comprise a room temperature vulcanizable polyorganosiloxane composition and a polyorganosiloxane free from silanol groups and comprising at least one hydroxy- or alkoxy-terminated polyoxyalkylenealkyl radical. The latter is capable of blooming to the surface of
6107381 Condensation curable silicone foul release coatings and articles coated therewith August 22, 2000
Anti-fouling coatings comprise a room temperature vulcanizable polyorganosiloxane composition and a polyorganosiloxane free from silanol groups and comprising at least one hydroxy- or alkoxy-terminated polyoxyalkylenealkyl radical. The latter is capable of blooming to the surface of
5716589 Method for making reaction products of phosphorus pentachloride and ammonium chloride February 10, 1998
The reaction of phosphorus pentachloride with ammonium chloride is conducted in the presence of a metal-containing catalyst and carbon dioxide, preferably supercritical carbon dioxide, as a solvent. The product is generally superior in catalytic action for the polycondensation and re










 
 
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