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WO/1998/029399A1 |
The invention relates to ionic compounds in which the anionic load has been delocalized. A compound disclosed by the invention includes an anionic portion combined with at least one cationic portion M?+m� in sufficient numbers to ensur...
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WO/1998/029388A1 |
The invention relates to ionic compounds in which the anionic load has been delocalized. A compound disclosed by the invention is comprised of an amide or one of its salts, including an anionic portion combined with at least one cationic...
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WO/1998/029877A1 |
Disclosed is a proton conductor in liquid form, comprised of a mixture of the following components: (a) a salt combined with a nitrogenated base along with an acid, according to formula (I), wherein Z�1?, Z�2?, Z�3?, and Z�4?, wh...
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WO/1998/029389A1 |
The invention is related to ionic compounds, derivatives of malononitrile, in which the anionic load has been displaced. An ionic compound disclosed by the invention includes an anionic portion combined with at least one cationic portion...
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WO/1998/029396A1 |
The invention relates to ionic compounds in which the anionic load has been displaced, and the uses of these compounds. A compound disclosed by the invention comprises an anionic portion combined with at least one cationic portion M?+mï¿...
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WO/1998/029358A2 |
Disclosed is a method for grafting a polymer onto the surface of a carbonate material with carboxyl, amine, and/or hydroxyl functions on its surface. Said material is placed in suspension in a solution including the polymer to be grafted...
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WO/1998/015540A1 |
The invention relates to X�n?(alkoxy)�(6-n)?alkyl melamine, in which X = halide, n = 1-6, and the alkoxy group and the alkyl group contain 1 to 6 carbon atoms, a process for the preparation of these compounds and the use of these com...
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WO/1998/015582A1 |
The invention relates to modified polyvinyl acetals by saponification of 1 - alkylvinyl acetate-vinyl acetate copolymers, which contain 1 - alkylvinyl acetate/ vinyl acetate in a weight ratio of 1/99 -40/60 and subsequent acetalization t...
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WO/1998/014834A1 |
The present invention relates to a novel antireflective coating solution and a process for its use in photolithography. The antireflective coating solution comprises a novel polymer and an organic solvent or a mixture of organic solvents...
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WO/1998/012203A1 |
The present invention includes polymerizable monomers comprising an acid-functionalized glycoside moiety. In one embodiment, the monomer has a polymerizable functional group, such as an olefinic bond, to which the acid-functionalized gly...
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WO/1998/008878A1 |
A process for polymerizing a vinyl ether monomer which comprises contacting the vinyl ether with an initiator system of silicon dioxide and one or more metallic oxides.
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WO/1998/008918A1 |
Methods, based on the Wittig-Horner reaction, are provided for the synthesis of compounds of formula (I) wherein m is from 5-150, X and Y are independently selected from: CN, H, OH, COCH�3?, CO�2?H, CO�2?R�1?, where R�1? is Cï¿...
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WO/1998/004651A1 |
The invention relates to a combination of optical elements comprising at least one optical retardation film and at least one broadband reflective polarizer, characterized in that the optical retardation film is comprising at least one la...
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WO/1998/000448A1 |
Aqueous polymer dispersions are produced by polymerising monoethylenically unsaturated monomers bearing acid groups in an acid, partially or totally neutralised form, optionally with other monomers that can be copolymerised therewith in ...
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WO/1997/044372A1 |
A cross-linkable polymeric casting composition including an effective amount of a divinyl ester monomer of a bicyclic or polycyclic compound, and optionally a minor amount of a di- or polythio compound. The specification and claims inclu...
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WO/1997/042197A1 |
The invention discloses new compounds having one group 13 element, bound with one mono- or di-anionic tridentate ligand, a method of preparation thereof, particularly as a (co)polymerisation catalyst.
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WO/1997/039337A1 |
Fluoroionophores that are functionalised with reactive groups and correspond to the formula I-R1-F-R2-G, wherein I is a monovalent residue of an ionophore, wherein F is a divalent residue of a fluorophore, wherein G is a functional group...
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WO/1997/035219A1 |
The invention relates to a liquid crystal display device comprising a liquid crystal cell and at least one reflective polarizer or a polarizer combination comprising at least one reflective polarizer as a means to generate circular polar...
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WO/1997/034862A1 |
The invention relates to reactive liquid crystal compounds of formula (I), wherein P, Sp, X, n, m, A1, A2, Z and R have the meaning given in claim 1, to compositions comprising reactive liquid crystal compounds of formula (I), to linear ...
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WO/1997/032833A1 |
The invention concerns a monomer composition comprising: A) monomers which contain vinyl groups and in which a heteroatom selected from the group comprising halogens, nitrogen, oxygen, sulphur or silicon is present on the vinyl group; an...
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WO/1997/031030A1 |
This invention relates to a process for controlling the architecture of copolymers of at least two unsaturated monomers, made by free-radical polymerization in the presence of a cobalt-containing chain transfer agent, including the contr...
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WO/1997/031031A1 |
This invention relates to a process for the synthesis of addition polymers containing branches upon branches and having a polymerizable olefin end group by a convenient one-pot copolymerization of selected vinyl monomers with chain polym...
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WO/1997/023522A1 |
The present invention relates to novel low molecular weight, structured polymer compositions. The invention also relates to methods for inhibiting scale formation, precipitation or deposition; increasing dispersion of insoluble precipita...
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WO/1997/022640A1 |
The present invention is directed to a new aqueous dispersion of surface active polymer which demonstrates enhanced surface active and performance properties more particularly as a foaming agent. The polymer comprises a vinyl monomer hav...
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WO/1997/019961A1 |
Random copolymers of vinyl acetal with comonomers having lactone or carboxylate-salt groups are disclosed. Such copolymers may exhbit improved water solubility compared to polymers of equivalent acetalization levels lacking the comonomers.
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WO/1997/018247A1 |
Improved processes have been developed for atom (or group) transfer radical polymerization (ATRP). In one improvement, the ATRP process involves polymerizing in the presence of a (partially) free radical-deactivating amount of the corres...
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WO/1997/013752A1 |
The invention relates to compounds of formula (I), in which R is H, C1-C12alkyl, phenyl, (C1-C4alkyl)phenyl, phenyl-C1-C4alkyl, halogen, C2-C12alkynyl or C1-C12alkoxy, X is NR', NCOR' or O, and Y is R'' or R''-CO-, where R'' is C2-C6alke...
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WO/1997/010241A1 |
The invention concerns photochromic compounds with formula (I), in which R1 is an asymmetric aliphatic monocyclic group with formula (II), where 1 = 1-12, and R9 is H or an alkyl, alkoxy, dialkylamino, alkyl ester or CN group with the co...
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WO/1997/009648A1 |
Provided is an optical glass fiber assembly containing a matrix material and a plurality of coated optical glass fibers bound together by said matrix material, said matrix material having a swell index and glass transition temperature wh...
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WO/1997/008215A1 |
Novel acrylates, allyl ethers and allyl carbonates represented by general formulae (I) to (IV). A solid polyelectrolyte comprising a novel polymer composed of such a monomer as a polymeric matrix, has a high ionic conductivity and is sta...
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WO/1997/007157A1 |
A process for producing a granular powder of modified polytetrafluoroethylene (PTFE) which is excellent in the handleability, i.e., flowability and apparent density of a powder without using an atomized powder and in the properties of mo...
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WO/1997/004862A1 |
The invention concerns magnetic pearl-shaped PVA carriers which are produced by suspension of a polymer phase containing magnetic colloids in an organic phase containing a special emulsifier mixture. Particles which have a grain size of ...
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WO/1996/038493A1 |
Water-soluble polymers including functionalization from the group of amino groups, carboxylic acid groups, phosphonic acid groups, phosphonic ester groups, acylpyrazolone groups, hydroxamic acid groups, aza crown ether groups, oxy crown ...
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WO/1996/038488A1 |
A network polymer that contains: (a) a plurality of polymer chains which are derived from one or more ethylenically-unsaturated monomer(s); and (b) at least one linking group which links the polymer chains and which contains anhydride, c...
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WO/1996/034897A1 |
A polyvinyl alcohol purification process is described, which includes heat treating a polyvinyl alcohol under agitation in an atmosphere unsaturated by water and with a water vapour mass content of 20 to 100 %. The process of the inventi...
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WO/1996/028477A1 |
The present invention provides a process for making fluorinated polymers and copolymers having stable end groups. The process includes (1) contacting a fluoromonomer, an initiator capable of producing stable end groups on the polymer cha...
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WO/1996/024076A1 |
The invention relates to a novel process for the production of tinted mouldings, in particular tinted contact lenses, in which a crosslinkable tinted polymer comprising units containing a crosslinkable group and units containing a reacti...
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WO/1996/024077A1 |
The invention relates to a novel process for the production of mouldings, in particular contact lenses, in which a crosslinkable polymer comprising units containing crosslinkable groups, units containing a bound photoinitiator and, if de...
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WO/1996/017901A1 |
The invention relates to a liquid material in the form of cholesteric polymer network, wherein the polymerized material is obtainable by copolymerization of a compound (a) having at least two polymerizable functional groups and a chiral ...
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WO/1996/017877A1 |
A fluororubber copolymer produced by free-radical polymerization in the presence of a diiodinated compound, containing 0.005-1.5 mol % iodine-containing fluorinated vinyl ether units, 40-90 mol % vinylidene fluoride units, 3-35 mol % per...
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WO/1996/016069A1 |
Bridged metallocenes of group IVb metals provide improved results when the bridge comprises a neutral electron-donor substituent of general formula: R''' Z R''''j wherein: R''' is a rigid unsaturated hydrocarbon radical between Z and the...
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WO/1996/016223A1 |
Flexographic or other printed paper is deinked by a process which comprises pulping in the presence of an emulsion of crosslinked, insoluble, ionisable and swellable polymer particles. The emulsion preferably provides a viscosity (at 3 %...
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WO/1996/015157A1 |
Process for the synthesis of block polymers, homopolymers and copolymers of narrow polydispersity having formula (1) by contacting selected vinyl monomer(s), vinyl-terminated compound(s) and free radicals in which effective control of pr...
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WO/1996/014357A1 |
A process is provided for preparing an acrylic copolymer latex having improved mechanical and shear stability comprising emulsion polymerizing at least one ethylenically unsaturated monomer having up to 23 carbons in the presence of, by ...
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WO/1996/007675A1 |
The present invention relates to a process for producing polymer beads incorporating solid particles and to the novel polymer beads per se. The invention provides a process for producing polymer beads incorporating solid particulate mate...
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WO/1996/006887A1 |
An aqueous dispersion of a vinylidene fluoride (VdF) copolymer which is produced by the emulsion polymerization of VdF monomer and a reactive emulsifier, wherein the average particle diameter of the copolymer is as small as 200 nm or les...
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WO/1996/006118A1 |
The present invention provides a method of carrying out the cationic polymerization of a monomer in carbon dioxide. The method includes the steps of (a) providing a reaction mixture comprising carbon dioxide, a monomer, a catalyst and a ...
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WO/1996/005056A1 |
The present invention relates to a peelable seal layer formed from blends of polar and non-polar polyolefins, such peelable seal layers being useful for adhering adjacent thermoplastic films together to form a package. Such packaging is ...
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WO/1996/003443A1 |
The description relates to vinyl alcohol copolymers which can be produced by the acid-catalysed acetalisation reaction of polyvinyl alcohols with a degree of saponification of 80-99.5 mol % and preferably between 88 and 99.5 mol % with n...
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WO/1996/001851A1 |
A polymerization process procedures polymers that are insoluble in a reaction mixture that was homogeneous before the polymer began to form. A dispersing agent in the polymerizing system (i.e., the reaction mixture plus the dispersing ag...
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