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| Number | Title | Issue Date |
| 7977441 | Acetylene-based polymer An acetylene-based polymer, comprising n recurring units represented by the following Formula (1): CH═CAn (1) wherein, n is an integer of 10 to 10,000; each A represents a group selected from a naphthyl group, a phenanthryl grou... | 07/12/2011 |
| 7446159 | Curable resin composition A resin composition having a viscosity suitable for encapsulating optical devices such as light-emitting devices is provided. Specifically, the cured product of the resin composition has a refractive index greater than or equal to that of epoxy resins, exhibits exce... | 11/04/2008 |
| 7439302 | Low refractive index polymers as underlayers for silicon-containing photoresists A new underlayer composition that exhibits high etch resistance and improved optical properties is disclosed. The underlayer composition comprises a vinyl or acrylate polymer, such as a methacrylate polymer, the polymer comprising at least one substituted or unsubst... | 10/21/2008 |
| 7423102 | Star polymer The present invention provides a star polymer which comprises a central core and three or more branches bonded to the central core, and has a weight average molecular weight of from 1,000 to 100,000, wherein at least one of the branches containing at least one repea... | 09/09/2008 |
| 7419761 | Photoresist monomer having spiro cyclic ketal group, polymer thereof and photoresist composition including the same A photoresist polymer having a spiro cyclic ketal group, and a photoresist composition including the same is disclosed. The photoresist polymer and the photoresist composition can improve the resolution and the process margin due to its low activation energy of the ... | 09/02/2008 |
| 7402645 | Soluble polyfunctional vinyl aromatic polymer and method of producing the same The present invention relates to a soluble polyfunctional vinylaromatic copolymer improved in heat resistance, resistance to thermal decomposition, solvent solubility, and processability. The soluble polyfunctional vinylaromatic polymer is obtained by cationically p... | 07/22/2008 |
| 7399811 | Nanohybrid polymers for ophthalmic applications The present invention relates to novel materials particularly useful for ophthalmic applications and methods for making and using the same. More particularly, the present invention relates to relatively soft, optically transparent, foldable, high refractive index ma... | 07/15/2008 |
| 7357973 | Flat plate and light guide plate A flat plate made of a cycloolefin polymer comprising at least 30% by weight, based on the cycloolefin polymer, of repeating units (A) having an alicyclic structure. The repeating units (A) comprises at least 30% by weight, based on the repeating units (A), of repea... | 04/15/2008 |
| 7357964 | Liquid-crystalline vinyl ketone derivatives and their polymers Provided is a liquid-crystalline, polymerizable vinyl ketone compound of formula (1): Preferably, R1 is hydrogen, halogen, —CN, —CF3, —CF2H, —CFH2, —OCF3, —... | 04/15/2008 |
| 7354972 | Amphipathic polymer particles and methods of manufacturing the same The invention is directed to amphipathic polymeric particles that serve as both the dispersant and the binder in water based inks, ink compositions containing these particles, and methods for making the particles. The polymeric particles contain both hydrophilic and... | 04/08/2008 |
| 7339014 | (Meth)acrylate, raw material alcohol for the (meth)acrylate, method of producing the (meth)acrylate and the alcohol, polymer produced by polymerizing the (meth)acrylate, chemically amplified resist composition, and method of the formation of a pattern A (meth)acrylate represented by the following formula (1): wherein each of R1, R2, R3 and R4 represents a hydrogen atom, a methyl group or an ethyl group;... | 03/04/2008 |
| 7312291 | Concrete admixture additive A new family of concrete admixture additives can be derived from reacting a mixture of olefins/cyclic olefins-maleic anhydride copolymers and methoxy polyethylene glycol amines and/or polyethylene glycol monoalkyl ethers, or a mixture of styrene-maleic anhydride cop... | 12/25/2007 |
| 7285370 | Light absorbent agent polymer useful for organic anti-reflective coating, its preparation method and organic anti-reflective coating composition comprising the same Disclosed are a light absorbent agent polymer for organic anti-reflective coating which can prevent diffused light reflection of bottom film layer or substrate and reduce standing waves caused by a variation of thickness of the photoresist itself, thereby, increasin... | 10/23/2007 |
| 7279539 | Alkali-soluble polymer and polymerizable composition thereof A polymer, which contains a structural unit having a carboxyl group represented by the following formula (1) at a side chain of the structural unit, wherein node position is formed, when the polymer is dissolved in an alkali aqueous solution having a pH of 10 or mor... | 10/09/2007 |
| 7252924 | Positive resist composition and method of pattern formation using the same A positive resist composition comprising: at least two resins which differ in glass transition temperature by at least 5° C.; and a compound which generates an acid upon irradiation with actinic rays or radiation, wherein each of the two resins comprises at least e... | 08/07/2007 |
| 7230059 | Process for producing olefin copolymer A process for producing an olefin-based copolymer, which comprises copolymerizing at least one olefin selected from the group consisting of ethylene and straight chain α-olefins, and a vinyl compound (I) and a polyene (II) described below: Vinyl compound (I)... | 06/12/2007 |
| 7220528 | Amphipathic polymer particles and methods of manufacturing the same The invention is directed to amphipathic polymeric particles that serve as both the dispersant and the binder in water based inks, ink compositions containing these particles, and methods for making the particles. The polymeric particles contain both hydrophilic and... | 05/22/2007 |
| 7166686 | High refractive index pressure-sensitive adhesives 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. ... | 01/23/2007 |
| 7090962 | Alkali-soluble resin with polyaromatic group and photosensitive composition comprising the resin An alkali-soluble resin having a polyaromatic group and a photosensitive composition comprising the alkali-soluble resin. The alkali-soluble resin comprises the following recurring units: wherein each of R1 | 08/15/2006 |
| 7037995 | Tertiary (meth)acrylates having lactone structure, polymers, resist compositions and patterning process Novel tertiary (meth)acrylate compounds having a lactone structure are polymerizable into polymers having improved transparency, especially at the exposure wavelength of an excimer laser and dry etching resistance. Resist compositions comprising the polymers are sen... | 05/02/2006 |
| 7037994 | Acenaphthylene derivative, polymer, and antireflection film-forming composition Novel compounds acetoxymethylacenaphthylene and hydroxymethylacenaphthyleneare disclosed. A polymer prepared from these novel compounds containing a structural unit of the formula (3), wherein R1 is a hydroge... | 05/02/2006 |
| 7033676 | Binding agent mixtures and their use in coating materials cured by actinic radiation and/or heat A binder mixture comprises at least one polymer (A) with saturated main chain that is not a polyester and at least one polyester (B) with a saturated and/or unsaturated main chain, where (i) one of the two components (A) or (B) con... | 04/25/2006 |
| 7030229 | Anthraquinone-azo dyes The present invention relates to an azo dye of formula I, II or III: (formula I, II or III); wherein R1 and R2 are each independently of the other one or more divalent groups selected from alkylene, arylene, aralkylene and cycloalkylene, which ... | 04/18/2006 |
| 7012123 | Acrylic polymer and charge transport material An acrylic polymer suitable for use as a charge transport material, the acrylic polymer containing pendant π-conjugated groups represented by the following general formula (1) and having a triad syndiotacticity or triad isotacticity of at least 60%: | 03/14/2006 |
| 7006344 | Capacitor comprising bis(4-mercaptophenyl) sulfide derivative The present invention provides a bis(4-mercaptophenyl) sulfide derivative represented by general formula 1. This derivative is a monomer that can form a dielectric film suitable for an electronic component. The present invention further provides a method for produci... | 02/28/2006 |
| 6977313 | Production process of 2,7-dibromofluorenone A process is provided for the production of 2,7-dibromofluorenone. According to the process, a 2,7-dibromofluorene-contianing raw material is oxidized with molecular oxygen in the presence of a phase transfer catalyst such as a quaternary ammonium salt in a heteroge... | 12/20/2005 |
| 6946523 | Heterobifunctional monomers and uses therefor In accordance with the present invention, there are provided novel heterobifunctional monomers and users for the same. Invention compounds have many of the properties required by the microelectronics industry, such as, for example, hydrophobicity, high Tg | 09/20/2005 |
| 6936402 | MONOMERS CONTAINING AN OXEPAN-2-ONE GROUP, PHOTORESIST COMPOSITIONS COMPRISING POLYMERS PREPARED FROM THE MONOMERS, METHODS FOR PREPARING THE COMPOSITIONS, AND METHODS FOR FORMING PHOTORESIST PATTERNS USING THE COMPOSITIONS Disclosed herein is a novel norbornene, acrylate or methacrylate monomer as a photoresist monomer containing an oxepan-2-one group. Further disclosed are photoresist compositions comprising a polymer prepared from the monomer, methods for preparing the photoresist c... | 08/30/2005 |
| 6903171 | Polymerized cycloolefins using transition metal catalyst and end products thereof Methods for the addition polymerization of cycloolefins using a cationic Group 10 metal complex and a weakly coordinating anion of the formula: [(R′)zM(L′)x(L″)y]b[WCA]d wherein [(R′)... | 06/07/2005 |
| 6828007 | Flat plate and light guide plate A flat plate made of a cycloolefin polymer comprising at least 30% by weight, based on the cyclopolefin polymer, of repeating units (A) having an alicyclic structure. The repeating units (A) comprises at least 30% by weight, based on the repeating units (A), of repe... | 12/07/2004 |
| 6824955 | Polymers, resist compositions and patterning process A resist composition comprising a copolymer of an acrylic ester monomer containing fluorine at α-position with a norbornene derivative containing oxygen or sulfur within the norbornene ring as a base resin is sensitive to high-nergy radiation below 200 nm, has exce... | 11/30/2004 |
| 6812309 | Digitally encoded polymers A method for encoding a polymer. The method comprises incorporating, into a polymer formed by polymerizing at least one bulk monomer, from 0.1 ppm to 1% each of at least two additional monomer residues. ... | 11/02/2004 |
| 6808869 | Bottom anti-reflective coating material composition and method for forming resist pattern using the same A composition for a bottom anti-reflective coating material and a method for forming a resist pattern using the composition, which are high in the dry etching rate, high in the resolution, excellent in the resist film thickness dependency and high in the effect of p... | 10/26/2004 |
| 6806335 | PolymEric compound and resin composition for photoresist A photoresist polymeric compound includes a monomer unit represented by following Formula (I): The polymeric compound may further include at least one of monomer units represented by Formulae (IIa) to (IIg) as describe... | 10/19/2004 |
| 6806336 | Process for polymerizing ethylene, higher alpha-olefin comonomer and dienes, especially vinyl norbornene; polymers made using such processes; and articles made from such polymers This invention relates to olefin polymerization processes for polymerizing ethylene, higher alpha-olefin comonomer and dienes, especially vinyl norbornene, and especially process for producing amorphous or semi-crystalline polymers such as EPDM. The invention also r... | 10/19/2004 |
| 6777070 | Antireflection material and polarizing film using the same An anti-reflection material and a polarization film which exhibit superior anti-reflection properties by preventing external light such as sunlight, fluorescent light, etc., from being reflected on a display, which yield a clear image without sparkling and reduces i... | 08/17/2004 |
| 6770421 | Photo- or heat-curable resin composition and multilayer printed wiring board This invention relates to a photo- or heat-curable resin composition which yields a cured product with minimal cracking and high reliability. The resin composition of this invention comprises 100 parts by weight of (A) photo- or heat-polymerizable unsaturated compou... | 08/03/2004 |
| 6710148 | Polymers, resist compositions and patterning process A copolymer of an acrylate monomer containing fluorine at α-position with a norbornene derivative is highly transparent to VUV radiation and resistant to dry etching. A resist composition using the resin as a base polymer is sensitive to high-energy radiation below... | 03/23/2004 |
| 6699950 | Cationic polymerization process and catalyst system therefor A process for producing a copolymer of an isoolefin and at least one other comonomer comprising the step of polymerizing a reaction mixture comprising an isoolefin, a catalyst and at least one of a cycloconjugated muitiolefin and an unconjugated cyclic ol... | 03/02/2004 |
| 6699954 | Monomers, polymers incorporating said monomers and their use in organic electroluminescent devices The invention concerns a monomer of general formula A--(Q--S)p wherein: A=an aromatic or heteroaromatic ring; Q=a carbonaceous or siliceous divalent radical, respectively corresponding to general formulae: (CR1 R2)n | 03/02/2004 |
