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| Number | Title | Issue Date |
| 8106151 | Polyquaternium-1 synthesis methods A ophthalmic composition, comprising: an aqueous liquid medium, and an effective amount of polyquaternium-1 made by a process of: a) mixing 1,4-bis-dimethylamino-2-butene, triethanolami... | 01/31/2012 |
| 8044172 | Barrier membrane Cell-occlusive membrane, obtainable by reaction of at least two precursors in the presence of water. The first precursor A comprises a core and n chains each having a conjugated unsaturated group or a conjugated unsaturated bond, and the second precursor B comprises... | 10/25/2011 |
| 7999064 | Polyquaternium-1 synthesis methods and associated formulations A multipurpose solution for contact lens care, comprising: an aqueous liquid medium; a quaternary ammonium polymer having an average molecular weight as determined by the proton NMR method of at least 28 k, and methods for making the same. ... | 08/16/2011 |
| 7999063 | Polyquaternium-1 synthesis methods and associated formulations A multipurpose solution for contact lens care, comprising: an aqueous liquid medium; a quaternary ammonium polymer having an average molecular weight as determined by the proton NMR method of at least 22 k, and methods for making. ... | 08/16/2011 |
| 7875697 | Poly(orthoester) polymers, and methods of making and using same Poly(orthoester) polymers, and methods of making and using such poly(orthoester) polymers are provided. The poly(orthoester) polymers can be useful for applications including, for example, medical devices and pharmaceutical compositions. In a preferred embodiment, t... | 01/25/2011 |
| 7803897 | Process for preparing polyketone The present invention relates to a process for preparing polyketone with improved catalytic activity and intrinsic viscosity, and specifically a process for preparing polyketone, using a mixed solvent of 40 to 60 mol % acetic acid and 40 to 60 mol % water, as a liqu... | 09/28/2010 |
| 7795374 | Polyquarternium-1 synthesis methods A method of making antimicrobial quaternary ammonium polymers, comprising: a) mixing 1,4-bis-dimethylamino-2-butene, water, a first portion of triethanolamine and a first portion of acid; b) adding a 1,4-dihalo-2-butene and heating the reaction mixture; c) adding a ... | 09/14/2010 |
| 7741427 | Barrier membrane The present invention relates to a cell-occlusive membrane, obtainable by reaction of at least two precursors in the presence of water. The first precursor A comprises a core and n chains each having a conjugated unsaturated group or a conjugated unsaturated bond, a... | 06/22/2010 |
| 7732561 | Random copolymers of oxazoline The invention provides approximately monodispersible random copolymers obtained from monomeric mixtures of 2-ethyl-2-oxazoline with 2-isopropyl-2-oxazoline, production method thereof and 2-isopropyl-2-oxazoline homopolymer obtained by using special initiator. Such p... | 06/08/2010 |
| 7705112 | Polyquaternium-1 synthesis methods The present embodiments relate to a novel method of making quaternary ammonium polymers comprising the steps of: a) mixing 1,4-bis-dimethylamino-2-butene, triethanolamine, water and an acid; and b) introducing a 1,4-dihalo-2-butene to the mixture so as to initiate a... | 04/27/2010 |
| 7674873 | Polycarbonates made using highly selective catalysts Poly(propylene carbonates) are prepared from propylene oxide and CO2 with less than 10% cyclic propylene carbonate by product using cobalt based catalysts of structure preferably in combination with salt cocataly... | 03/09/2010 |
| 7514528 | Biomass based Michael addition compositions Functional mixtures and polymer compositions are provided, each comprising at least one multi-functional Michael acceptor, at least one multi-functional Michael donor, in which at least 20% of either the donor or acceptor or a combination of the donor and acceptor i... | 04/07/2009 |
| 7414097 | Curing epoxy resin with aliphatic diamine-styrene product and carboxyl- and hydroxyl-containing accelerator The epoxy resin curing agent of the present invention comprises a polyamino compound obtainable by addition reaction of aliphatic diamine represented by the formula (1) and styrene and a curing accelerator comprising an organic compound having at least one carboxyl ... | 08/19/2008 |
| 7396902 | Epoxy resin curing agent of aliphatic diamine/styrene addition product The epoxy resin curing agent of the present invention comprises a polyamino compound obtainable by addition reaction of aliphatic diamine represented by the formula (1) and styrene and a curing accelerator comprising an organic compound having at least one carboxyl ... | 07/08/2008 |
| 7390430 | Curable liquid compositions containing bisoxazoline Difunctional oxazoline resins, which may be produced in a convenient one-step reaction from an arylalkylene dinitrile by reaction with an amino alcohol, are used in compositions with an additional curable compound or resin containing one or more carbon to carbon dou... | 06/24/2008 |
| 7358410 | Processes for forming polypropylene from an oxygenate-contaminated monomer feedstock The present invention provides various processes for producing polypropylene from an oxygenate-contaminated propylene-containing feedstock, preferably derived from an oxygenate to olefin reaction system. In one embodiment, the process includes providing a propylene-... | 04/15/2008 |
| 7348462 | Process for preparing branched olefins from a paraffinic wax A process for preparing branched alkyl aromatic hydrocarbons, which process comprises contacting branched olefins with an aromatic hydrocarbon under alkylating conditions, which branched olefins have been obtained by a process which comprises dehydrogenating an isop... | 03/25/2008 |
| 7332538 | Heat-curable fluoropolyether rubber compositions and rubber articles A heat-curable fluoropolyether rubber composition comprising (A) 100 pbw of a straight-chain perfluoropolyether compound having at least two alkenyl groups in a molecule, (B) 1-100 pbw of a reinforcing filler, and (C) 0.1-5 pbw of an organic peroxide is freed from c... | 02/19/2008 |
| 7332554 | Polymers with new sequence distributions The invention relates to new polymerization processes including diluents including hydrofluorocarbons and their use to produce novel polymers with new sequence distributions. In particular, the invention relates to copolymers of an isoolefin, preferably isobutylene,... | 02/19/2008 |
| 7332555 | Polymers with new sequence distributions The invention relates to new polymerization processes including diluents including hydrofluorocarbons and their use to produce novel polymers with new sequence distributions. In particular, the invention relates to copolymers of an isoolefin, preferably isobutylene,... | 02/19/2008 |
| 7319132 | Polymer compounds containing oxetane and maleimide functionality Polymeric compounds containing an oxetane functionality and a maleimide functionality have the structure in which polymer is a polymeric backbone, m and n are integers from 2 to 500, R1 is methyl or et... | 01/15/2008 |
| 7314853 | Cleaning solution for photoresist and method for forming pattern using the same Disclosed herein are photoresist cleaning solutions useful for cleaning a semiconductor substrate in the last step of a developing step when photoresist patterns are formed. Also disclosed herein are methods for forming photoresist patterns using the solutions. The ... | 01/01/2008 |
| 7309756 | Methods for converting linear polyesters to macrocyclic oligoester compositions and macrocyclic oligoesters Macrocyclic oligoesters and compositions comprising macrocyclic oligoesters are prepared from intermediate molecular weight polyesters. In one embodiment, a diol is contacted with a dicarboxylic acid or a dicarboxylate in the presence of a catalyst to produce a comp... | 12/18/2007 |
| 7309757 | Polymers for the delivery of bioactive agents and methods of their preparation Provided is a poly(amino ester) having a polymer backbone comprising at least one secondary amine linkage and at least one tertiary amine linkage in the polymer backbone. Poly(amino ester)s are prepared via the Michael addition of a bis(acrylate ester)monomer to a d... | 12/18/2007 |
| 7288609 | Coatings for drug delivery devices based on poly (orthoesters) A polymer coating for implantable medical devices based on polyorthoesters and methods for fabricating the coating are disclosed. The implantable medical devices made of polyorthoesters and methods for fabricating thereof are also disclosed. ... | 10/30/2007 |
| 7285600 | Reagents for heat activated polymer crosslinking The present invention is directed to nitrile-oxide precursor compounds, and their preparation and use as an irreversible cross-linking agent in polymers having appropriate functionality, i.e., alkenes, alkynes nitriles, and isocyanates. The present invention is also... | 10/23/2007 |
| 7276573 | Method for producing monoesters and diesters of polytetrahydrofuran and of tetrahydrofuran copolymers The present invention provides a process for preparing mono- or diesters of polytetrahydrofuran or of tetrahydrofuran copolymers by polymerizing tetrahydrofuran in the presence of at least one telogen and/or of a comonomer over an acidic catalyst, wherein the polyme... | 10/02/2007 |
| 7271227 | Adhesive compositions free of metallic catalyst The present invention generally relates to curable compositions free of metallic catalysts. The inventive compositions are capable of curing when applied to a metal substrate. The inventive compositions provide improved thermal performance and enhanced cure strength... | 09/18/2007 |
| 7261880 | Methods of treating Syndrome X with aliphatic polyamines The invention relates to a method for treating Syndrome X, or inhibiting the onset of symptoms of Syndrome X in a patient, and includes administering a therapeutically effective amount of a salt of at least one alkylated and cross-linked polymer, or a copolymer ther... | 08/28/2007 |
| 7262192 | Substituted pyrazolo[4,3-d]pyrimidines and their use as PDE-5 inhibitors The present invention comprises a class of 5,7-diaminopyrazolo[4,3-d]pyrimidine compounds. These compounds are useful as phosphodiesterase type 5 inhibitors. The present invention further comprises compositions containing the compounds use of the compounds and compo... | 08/28/2007 |
| 7235684 | Process for preparing (branched-alkyl) arylsulfonates and a (branched-alkyl) arylsulfonate composition A process for preparing branched alkyl aromatic hydrocarbons, which process comprises contacting branched olefins with an aromatic hydrocarbon under alkylating conditions, which branched olefins have been obtained by a process which comprises dehydrogenating an isop... | 06/26/2007 |
| 7232872 | Polymerization processes The invention provides for a process to produce polymers utilizing a hydrofluorocarbon diluent. ... | 06/19/2007 |
| 7223829 | Polyketone solution A solution of a polyketone as a copolymer of carbon monoxide and one or more olefins, wherein 90 wt % or more of said copolymer comprises carbon monoxide units and olefin units, and a solvent is an aqueous solution of at least one member selected from the group cons... | 05/29/2007 |
| 7220414 | Degradable polyacetal polymers Degradable polyacetal polymers and functionalized degradable polyacetal polymers have properties favorable for use in pharmaceutical and biomedical applications. The degradable polyacetal polymers are relatively stable at physiological pH with favorable biodistribut... | 05/22/2007 |
| 7214750 | Polymerization processes The invention relates to new processes to produce polymers utilizing bayonette cooled slurry reactor systems and diluents including hydrofluorocarbons. ... | 05/08/2007 |
| 7211633 | Polyester process using a pipe reactor The invention is directed to polyester processes that utilizes a pipe reactor in the esterification, polycondensation, or both esterification and polycondensation processes. Pipe reactor processes of the present invention have a multitude of advantages over prior ar... | 05/01/2007 |
| 7208122 | Emissive polymers and devices incorporating these polymers The present invention relates to a class of luminescent and conductive polymer compositions having chromophores, and particularly solid films of these compositions exhibiting increased luminescent lifetimes, quantum yields and amplified emissions. These desirable pr... | 04/24/2007 |
| 7205035 | Thermoset composition, method, and article A curable composition includes a functionalized poly(arylene ether), an alkenyl aromatic monomer, an acryloyl monomer, and a polymeric additive selected from polystyrene, poly(styrene-maleic anhydride), poly(styrene-methyl methacrylate), polybutene, poly(ethylene-bu... | 04/17/2007 |
| 7204199 | Thermopolymeric switching mediums and temperature monitoring devices embodying such mediums The use of thermopolymeric switching medium in temperature monitoring devices in which thermopolymeric switching medium is used as a retaining materials and are based on polymeric compositions that can be designed and programmed to meet selective parameters in produ... | 04/17/2007 |
| 7189674 | Supported catalyst composition for polymerization of olefins, method for preparing the same and process for polymerization using the same Supported catalyst composition for polymerization of olefins comprising: (i) a titanium compound, a magnesium compound and at least one electron donor compound; (ii) an oxygen containing polymer support; and (iii) a cocatalyst comprising at least one aluminum compou... | 03/13/2007 |
