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| Number | Title | Issue Date |
| 8163859 | Copolymer comprising alkene, acrylate and unsaturated organic acid, and method for preparing the same The present invention provides a copolymer that includes at least one alkene monomer, at least one acrylate monomer and at least one the unsaturated organic acid monomer having one or more double bonds, and a method of manufacturing the same. ... | 04/24/2012 |
| 8119752 | Method for producing ethylene copolymers Process for the continuous preparation of ethylene copolymers by free-radical copolymerization of ethylene and at least one comonomer in a cascade comprising at least two reactors, wherein one or more initiators are fed into the reaction mixture downstream of the fi... | 02/21/2012 |
| 7879963 | Composition, article, and associated method A composition includes a coupling agent composition and a polymer precursor. The coupling agent includes a first cycloolefin substituted with at least one anhydride group and the coupling agent is capable of bonding to a filler having a corresponding binding site. T... | 02/01/2011 |
| 7790822 | Hyperbranched maleic anhydride-diene polymers A hyperbranched polymer having pendent olefinic groups and comprising polymer units derived from one or more terminally-unsaturated, acyclic aliphatic diene and polymer units derived from maleic anhydride. Optionally, the hyperbranched polymer may further comprise p... | 09/07/2010 |
| 7579420 | Hyperbranched maleic anhydride-diene polymers A hyperbranched polymer having pendent olefinic groups and comprising polymer units derived from one or more terminally-unsaturated, acyclic aliphatic diene and polymer units derived from maleic anhydride. Optionally, the hyperbranched polymer may further comprise p... | 08/25/2009 |
| 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 |
| 7241847 | Process for producing cycloolefin addition polymer A process for producing a cycloolefin addition polymer in which one or more cycloolefin monomers can be (co)polymerized by addition polymerization with a small palladium catalyst amount to produce a cycloolefin addition (co)polymer while attaining high catalytic act... | 07/10/2007 |
| 7235587 | Diesters containing two crylene or fluorene moieties, sunscreen compositions containing the same, and methods of photostabilizing a sunscreen compositions containing the same Diesters that include one or more of a crylene and/or a fluorene moiety, and sunscreen compositions including a mixture of a photoactive compound and one or more of a diester that includes one or more of a crylene and/or a fluorene moiety are described herein. Also ... | 06/26/2007 |
| 7112633 | Preparation of a compound containing cyclic and linear carbonate groups The invention relates to a process for the preparation of compound(s) comprising at least one acrylate or methacrylate group, at least one linear carbonate group and at least one 5-membered cyclic carbonate group. The process comprises (A) a selective ring-opening s... | 09/26/2006 |
| 7105602 | Processing aid for thermoplastic resin and thermoplastic resin composition containing the same The present invention provides a processing aid for thermoplastic resin having a weight average molecular weight of 10,000 to 300,000, which is obtained by polymerizing an alkyl (meth)acrylate, or an alkyl (meth)acrylate and another vinyl monomer copolymerizable the... | 09/12/2006 |
| 7071275 | Polyisobutene and polyisobutene derivatives for use in lubricant compositions The invention describes polyisobutenyl derivatives of succinic acid obtainable by: i) reacting a polyisobutene which has a reactive end group content of at least 80% and whose molecular weight distribution is characterized by a maximum MP in the distribut... | 07/04/2006 |
| 7067599 | Fuel oil additives and compositions A copolymer comprising units derivable from (A) one or more olefins of defined chain length; and (B) one or more ethylenically unsaturated compounds different from (A). The copolymers are useful as cold flow improvers in fuel oils. ... | 06/27/2006 |
| 7009011 | Copolymers of maleic anhydride by stable free redical polymerization A stable free radical process for preparing a polymer having acid anhydride functionality includes heating a mixture comprised of a stable free radical agent, maleic anhydride or derivative thereof, and at least one polymerizable electron donor monomer to initiate e... | 03/07/2006 |
| 6987155 | Polymers for photoresist and photoresist compositions using the same The present invention relates to photoresist monomers, polymers formed therefrom and photoresist compositions suitable for photolithography processes employing a DUV light source, such as KrF (249 nm) and ArF(193 nm); EUV; VUV; E-beam; ion-beam; and X-ray. Photoresi... | 01/17/2006 |
| 6919473 | Photostabilizers, UV absorbers, and methods of photostabilizing a sunscreen composition Derivatives of fluorene, including ester derivatives of cyano(9H-fluoren-9-ylidene) acetic acid, and sunscreen compositions including a mixture of a photoactive compound and an ester derivative of cyano(9H-fluoren-9-ylidene) acetic acid are disclosed herein. Also di... | 07/19/2005 |
| 6906011 | Polymeric dispersants prepared from copolymers of low molecular weight polyisobutene and unsaturated acidic reagent This invention is directed to a new low molecular weight copolymer (The PIB/UAR copolymer) that may be prepared by reacting a low molecular weight polyisobutene (PIB) having less than about 32 carbon atoms with an unsaturated acidic reagent in the presence of a free... | 06/14/2005 |
| 6866984 | ArF photoresist copolymers A photoresist copolymer is prepared from one or more carboxy-substituted bicycloalkene monomers, and this copolymer is used to prepare a photoresist for submicrolithography processes employing deep ultraviolet (ArF) as a light source. In addition to having high etch... | 03/15/2005 |
| 6808859 | ArF photoresist copolymers A photoresist copolymer is prepared from one or more carboxy-substituted bicycloalkene monomers, and this copolymer is used to prepare a photoresist for submicrolithography processes employing deep ultraviolet (ArF) as a light source. In addition to having high etch... | 10/26/2004 |
| 6767980 | Reactive diluent and curable resin composition The present invention provides a reactive diluent composition which overcomes drawbacks of both the radical-cure and the cationic-cure reactive diluents and can be applied in a broad variety of uses such as paints, inks, adhesives, pressure sensitive adhesives, surf... | 07/27/2004 |
| 6756460 | Water-soluble copolymer and its production process and use The present invention provides: a novel water-soluble copolymer which is excellent in performance for uses, such as detergent builders, pigment dispersants, and scale inhibitors. In addition, the present invention provides: a novel liquid detergent builder which has... | 06/29/2004 |
| 6723813 | Method of preparing an acrylic copolymer having an acid anhydride group The present invention is a method of preparing an acrylic copolymer having an acid anhydride group with a number average molecular weight of 1,500-5,000 comprising; polymerizing a monomer mixture of a radical polymerizable monomer having an acid anhydride gro... | 04/20/2004 |
| 6692725 | Composition for oral care It was found that if a copolymer of maleic acid or maleic anhydride with an alkyl vinyl ether, which has a specific viscosity of 3.5 or more, is used as an antibacterial-enhancing agent, the action of an antibacterial agent in an oral composition is enhan... | 02/17/2004 |
| 6677102 | Chemical amplifying type positive resist composition A chemical amplifying type positive resist composition, excellent in balance of performance of resolution and sensitivity, having high dry etching resistance and comprising; a resin having a polymerization unit derived from a monomer represented by the fo... | 01/13/2004 |
| 6673515 | Polymer, resist composition and patterning process The invention provides a polymer comprising recurring units of formula (1--1) or (1-2) wherein k is 0 or 1, m is 0, 1, 2, 3 or 4, and n is 1 or 2 and having a weight average molecular weight of 1,000 to 500,000. A resist composition comprising the polymer... | 01/06/2004 |
| 6649714 | Processes for making polymers containing pendant cyclic anhydride groups A process for polymerizing polycycloolefins containing pendant anhydride moieties is disclosed. The process utilizes a single component nickel containing catalyst of the formula En Ni(C6 F5)2 wherein n is 1 or 2... | 11/18/2003 |
| 6641974 | Chemically amplified resist composition containing low molecular weight additives Disclosed is a chemically amplified positive photoresist composition including a multi-component copolymer having a polystyrene-reduced weight average molecular weight (Mw) of 3,000 to 50,000 and a molecular weight distribution (Mw/Mn) of 1.0 to 3.0, a lo... | 11/04/2003 |
| 6642336 | Photosensitive polymer A photosensitive polymer which maintains transparency even when exposed to a short-wavelength light source of 193 nm or below, exhibits improved adhesiveness to a substrate, improved contrast and improved resistance to dry etching. The photosensitive poly... | 11/04/2003 |
| 6632903 | Polymer-containing photoresist, and process for manufacturing the same The present invention relates to a semiconductor device using a copolymer-containing photoresist, and a process for manufacturing the same. As a norbornene derivative (monomer) having a hydrophilic group is synthesized and introduced to the backbone chain... | 10/14/2003 |
| 6617374 | Denture adhesives with mixed salts of alkyl vinyl ether-maleic copolymer or terpolymer The present invention relates to a denture adhesive composition comprising mixed salts of an alkyl vinyl ether-maleic acid or anhydride copolymer and/or terpolymer with isobutylene wherein the mixed salt contains a cationic salt function comprising at lea... | 09/09/2003 |
| 6610219 | Functional materials for use in optical systems Functional optical materials for optical systems that are typically useful in optical waveguides, optical switching systems, optical modulators, optical computing systems and the like. Included are polymer systems and electrooptical chromophores. Polymers... | 08/26/2003 |
| 6608158 | Copolymer resin, preparation thereof, and photoresist using the same The present invention relates to a copolymer resin for a photoresist used in far ultraviolet ray such as KrF or ArF, process for preparation thereof, and photoresist comprising the same resin. The copolymer resin according to the present invention is easi... | 08/19/2003 |
| 6589705 | Positive-working photoresist composition A positive-working photoresist composition comprises (A) a resin comprising the specific repeating structural units which resin increases in its solubility in an alkaline developer when acted upon by an acid, (B') an onium salt compound which generates an... | 07/08/2003 |
| 6569971 | Polymers for photoresist and photoresist compositions using the same The present invention relates to photoresist monomers, polymers formed therefrom and photoresist compositions suitable for photolithography processes employing a DUV light source, such as KrF(249 nm) and ArF(193 nm); EUV; VUV; E-beam; ion-beam; and X-ray.... | 05/27/2003 |
| 6566037 | Polymer, resist composition and patterning process A polymer comprising recurring units of formula (1) and having a Mw of 1,000-500,000 is provided. ##STR1## R1 is H, methyl or CH2 CO2 R3, R2 is H, methyl or CO2 R3, R3... | 05/20/2003 |
| 6566038 | Polymers, resist compositions and patterning process A polymer comprising units of formulas (1) and (2) and having a Mw of 1,000-500,000 is provided. R1 is H, CH3 or CH2 CO2 R3, R2 is H, CH3 or CO2 R3, R3 | 05/20/2003 |
| 6548606 | Method of forming grafted copolymers A process for preparing a grafted polymer in which a substrate polymer is graft reacted with a nitrogen-containing grafting monomer in the presence of a free radical initiator and an amide coupling inhibitor that reduces polymer crosslinking during the gr... | 04/15/2003 |
| 6538086 | Polymer with a pericyclic protective group and resist composition containing the same The present invention relates to a polymer with at least one pericyclic protective group such as 2-methyl-2-bicyclo[2,2,1]heptanyl. The resist composition containing the polymer can be used as a chemically amplified resist and exhibits strong etch resista... | 03/25/2003 |
| 6534611 | Cycloaddition functional polymers from (vinyl) polystyrene A functional polymer having active and stable functional groups useful for separation or reactive processes in chemical manufacture or analysis is disclosed. The polymer comprises repeat units having structures corresponding to cycloaddition products of p... | 03/18/2003 |
| 6533823 | Dye composition for keratinous fibers Provided is a dye composition for keratinous fibers, which comprises (A) a hydrolyzate of a lower alkyl vinyl ether/maleic anhydride copolymer partially crosslinked with a terminal unsaturated diene compound, or a monoalkyl ester of the hydrolyzate; and (... | 03/18/2003 |
| 6531563 | Polymer based on a conjugated diene and a dienophilic component Polymerization of a fatty acid or fatty acid derivatives containing conjugated double bonds and alkenes or alkynes containing electron acceptor substituents provides compositions useful as coatings, adhesives, sealants, fillers and the like.... | 03/11/2003 |
