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WO/1999/064497A1 |
A process to treat fluid streams in order to remove undesirable compounds.
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WO/1999/052560A1 |
Synthetic comb copolymers which elicit controlled cellular response, methods of applying these polymers to various surfaces, and methods of using the polymers for modifying biomaterial surfaces, in tissue engineering applications and as ...
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WO/1999/052953A1 |
The invention relates to a method for hydrogenating polymers, optionally in the presence of catalysts, whereby branched hydrocarbons are used as solvents, possessing no more than one hydrogen atom at the branch point and having a boiling...
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WO/1999/053387A1 |
A process simulator and modeling methodology employs instantaneous property measures. The instantaneous measures of various polymer properties are tracked throughout the subject polymer manufacturing system and used to calculate respecti...
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WO/1999/052962A1 |
A multidimensional copolymer array of a plurality of copolymers, polymerized from at least two independently variable sets of monomers, is created. The homologous variations of the monomer series are selected to determine the effect of v...
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WO/1999/051669A1 |
Ethylene copolymer compositions that are useful for fabricating films and molded articles are disclosed. These compositions contain compounds that react with the copolymer to liberate a gas which forms bubbles in the end product films or...
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WO/1999/050317A1 |
This invention relates to novel solid support based on selenium and a method for the preparation thereof. The solid support is useful in solid phase synthesis of organic compounds including combinatorial libraries of compounds.
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WO/1999/046305A1 |
Polymers having pendant fluoroalkylsulfide side chains and processes for their preparation by nucleophilic displacement of halides in preformed polymers using fluoroalkylthiols are disclosed which provide oil and water repellency and ant...
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WO/1999/043638A1 |
Novel polyindanebisphenols or PIBPs for the preparation of new and improved thermosetting polymers having general formula (I) are provided. Also disclosed are thermoplastic or thermoset compositions prepared using the novel compounds of ...
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WO/1999/042496A1 |
The invention relates to a radiocommunication device (FG) comprising a display unit (AE) and means for wireless connection to a radio network, especially a cellular radio network. According to the invention, first means are provided for ...
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WO/1999/043025A1 |
Production of a dielectric coating on a substrate whereby a poly(arylene ethers) or fluorinated poly(arylene ethers) layer is cured by exposure to electron beam radiation. A wide area electron beam is used which causes chemical reactions...
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WO/1999/041060A1 |
A process to prepare a polymer nanocomposite composition comprising forming a flowable mixture of a polyamide and a silicate material; dissociating at least about 50 % but not all of said silicate material; and subjecting the polyamide i...
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WO/1999/035186A1 |
The invention relates to a nanocomposite material based on a polymeric matrix and a layered double hydroxide, wherein the polymeric matrix is present in an amount of at least 50 % by weight, based on the nanocomposite material, and where...
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WO/1999/035185A1 |
The invention relates to a method for preparing a nanocomposite material based on a polymeric matrix and a layered double hydroxide, comprising the steps of: a) providing a layered double hydroxide which contains an amount of anions of a...
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WO/1999/032521A1 |
Disclosed are silicone polymers comprising: a) formulae (Ia), wherein [A]¿m? and [B]¿n?, individually, is a non-reacting polymeric substituent wherein m + n is an integer of 1 to about 100,000, where one of m or n can be 0; and at leas...
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WO/1999/032529A1 |
A process for the hydrogenation of a macromolecular organic substrate which process comprises contacting the organic substrate at elevated temperature and at elevated pressure with a catalyst comprising a hydrogenating metal or precursor...
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WO/1999/032540A1 |
The invention concerns a compound selected among hyperbranched polymers and dendrimers, characterised in that it comprises at least one group of formula (I). The invention also concerns a method for preparing said compounds, and their us...
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WO/1999/032076A1 |
The invention concerns the use of hyperbranched polymers and dendrimers, comprising at least one group of formula (I) in which: Y represents the oxygen atom or a NH group; and A represents a C¿1?-C¿12? alkane di-yl group, linear, branc...
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WO/1999/028370A1 |
A method for manufacturing polycarbornate that improves the quality of polycarbonate polymer products and reduces equipment and operating costs. Two horizontally laid, lateral type, cylindrical agitation tanks that have no agitation cent...
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WO/1999/028295A1 |
Novel aromatic sulfonium compounds of general formula (I), photoacid generators comprising the same, and photopolymerizable compositions containing the same, capable of providing stereolithographic resin compositions which do not suffer ...
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WO/1999/026902A1 |
The present invention provides the means to suppress epimerisation of the C$g(a) terminal amino acid of a protected peptide sequence during coupling by using the protection moiety shown in (1) which is referred to as a 'precursor linker'...
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WO/1999/025750A1 |
The method of forming a surface layer on a substrate is accomplished by dendrimerizing a mixture of branched monomers on the substrate surface wherein the monomers introduce heterogeneous functionalized branches and homogeneous connectiv...
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WO/1999/019332A1 |
Solid-phase-bound processes are disclosed for the systematic preparation of chemical compounds from the group of the phosphinic or phosphonous acids or their derivatives, and corresponding substance libraries which can be used for test p...
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WO/1999/019064A1 |
The invention concerns a composition based on a grafted metal oxide, its preparation and its use in a polymerisation method by opening oxygenated cycles such as alkyl oxides, cyclic esters or cyclic carbonates. Said composition comprises...
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WO/1999/018136A1 |
An adhesive composition which is switchable under irradiation to change from a tacky to a less tacky state which includes a switchable polymer. The polymer comprises a backbone polymeric moiety bound to a plurality of curable moieties, e...
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WO/1999/016809A1 |
The invention provides a method for preparing a desired organic compound by reacting one or more reactants in a reaction medium comprising a fluorinated ether compound wherein the fluorinated ether compound comprises at least 3 carbon at...
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WO/1999/011711A1 |
The invention relates to a method for making a polymer composition by solid state polymerizing a composition composed of a polymer having at least one isocyanate reactive group and a thermoplastic polyurethane. The polymer is preferably ...
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WO/1999/011710A1 |
The invention relates to a method for marking a polymer composition by melt mixing a composition composed of a polymer having at least one isocyanate reactive group and a thermoplastic polyurethane, wherein the thermoplastic polyurethane...
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WO/1999/010421A1 |
The invention includes a process of preparing a coupled polymer comprising heating an admixture containing (1) at least one interpolymer of an alpha-olefin and vinyl aromatic monomer and (2) a coupling amount of at least one poly(sulfony...
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WO/1999/010423A1 |
The present invention includes a process of preparing a coupled polymer by heating an admixture containing (1) at least one elastomer comprising ethylene and at least one comonomer which is selected from alpha olefins having at least 3 c...
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WO/1999/010415A1 |
A process of reacting a poly(sulfonyl azide) with a polymer comprising steps (a) forming a first admixture, hereinafter referred to as a concentrate, of a first amount of a first polymer or in a liquid which does not require removal from...
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WO/1999/010397A1 |
The invention pertains to a coating composition comprising a compound comprising at least one bicyclo-orthoester group and at least one other functional group. The invention also comprises a process for curing the present coating composi...
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WO/1999/010422A1 |
The invention includes a process of preparing a coupled polymer characterized by heating an admixture containing (1) at least one ethylene polymer or blend of ethylene polymers having a density of at least 0.89 g/mL and less than 0.935 g...
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WO/1999/010427A1 |
The invention includes a process of preparing a coupled polymer comprising heating an admixture containing: 1) at least one polyolefin comprising ethylene and at least one comonomer which is selected from alpha olefins having at least 3 ...
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WO/1999/007417A1 |
A method of controlling hemostasis by applying a hemostatic agent in a tissue sealant composition. The tissue sealant is a biodegradable, biocompatible synthetic polymer that may not intrinsically possess strong hemostatic properties. In...
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WO/1999/005126A1 |
The invention concerns ionic compounds wherein the negative charge is highly delocalized. The compounds contain at least a perfluorovinyl group and at least a group selected among -O or one of the groups -NC$m(Z)N, -(C$m(Z)N)¿2?, -NSO¿...
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WO/1998/053909A1 |
This invention relates to a method for monitoring the rate of evolution of volatile species during polymerizations and use of that method to effect improvements in process and product. In particular, this invention is useful for improvin...
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WO/1998/050438A1 |
This invention relates to a linker for use in solid phase synthesis, its preparation and methods of use. The linker consists essentially of an alkoxy substituted phenyl ring bearing an optionally substituted benzylic chloride. Synthetic ...
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WO/1998/049262A1 |
The invention relates to cleaning agents based on low volatile monohydroxy compounds and depolymerization catalysts which are suitable for fast removal of reactive polyurethane hot melt adhesives and their hardening and cracking products...
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WO/1998/049206A1 |
A polymer, possibly fabricated as part of a medical device or as part of a medical prostheses (such as a contact lens) is functionalised to facilitate the introduction of functional groups, such as biomedical species including heparin. T...
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WO/1998/046648A1 |
The present invention relates to an interactive system comprising at least one active surface of plastic from monomers containing at least one structural element derived from a carbon dioxide (A), and at least one substance associated to...
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WO/1998/045265A1 |
The invention provides a process for covalently coupling organic compounds which comprises reacting an aromatic ring compound having a halogen or halogen-like substituent at a coupling position with a diboron derivative in the presence o...
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WO/1998/044024A1 |
The invention concerns novel polymers selected among hyperbranched polymers and dendrimers comprising functional groups of formula (I) in which: Y represents the oxygen atom or a NH group; A represents a linear, branched or cyclic C�1?...
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WO/1998/044329A2 |
This invention relates to a novel linker for use in solid phase chemistry, its preparation and methods of use of the linker.
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WO/1998/038224A1 |
The present invention provides a process for preparing a soluble conductive polymer comprising the step of electrochemically polymerising a monomer and/or an oligomer, or two or more different monomers and/or oligomers, or derivatives th...
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WO/1998/037123A1 |
The invention relates to a method for carrying out polycondensation reactions, according to which the polycondensation of a monomeric educt is carried out with an external supply of heat in an at least two-stage reactor combination compr...
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WO/1998/036001A1 |
A method of forming a branched polymer includes forming a plurality of growing linear polymer chains by polymerizing a monomer which is protected against branching and which forms a reactive end group which is in a first condition which ...
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WO/1998/036086A1 |
The invention relates to the complete degradation of shaped bodies, textile fabrics, coatings, bondings or foams made of biologically degradable polymers using enzymes. The invention particularly relates to enzymatic degradation of polye...
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WO/1998/031459A1 |
The present invention relates to apparatus for the semi-continuous polymerisation of monomers with the use of a chain initiator. This apparatus is characterised in that it comprises a reactor (1) arranged with its axis substantially vert...
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WO/1998/030597A1 |
The specification describes a process for making gelled ink resins which exhibit improved properties. In a preferred embodiment, a rosin-based or hydrocarbon-based resin is mixed with an organic solvent and reacted with a cross-link agen...
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