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WO/2000/068297A1 |
In one aspect, the invention provides ene-thiol elastomers comprising the reaction product of a polythiol free of hydrophilic groups and having at least two thiol groups and an aromatic, heterocyclic, aliphatic, or cycloaliphatic polyene...
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WO/2000/067340A1 |
Provided is an electroactive organic polymer, which polymer comprises conductive polymer segments and non-conductive polymer segments, having one or more of these polymer segments bonded to polysulfide chains, and wherein the polysulfide...
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WO/2000/066254A1 |
The invention relates to the following: a method for step-by-step alkylation of primary polymeric amines by step-by-step deprotonation with a metallo-organic base and subsequent reaction with an alkyl halide; a method for modifying the i...
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WO/2000/067339A1 |
Provided is an electroactive, highly branched, conductive organic polymer for use in electrochemical cells, wherein the polymer comprises a plurality of repeating units, which repeating units are bonded to polysulfide chains, and the pol...
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WO/2000/064964A1 |
Described is a polymerizable organic composition comprising: (a) a radically polymerizable gel-free prepolymer of (i) at least one first polymerizable monomer having at least two radically polymerizable ethylenically unsaturated groups, ...
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WO/2000/061659A1 |
The invention relates to a method for separating a dissolved polymer from solids. According to the invention the solid is separated by sedimentation and the solid is rinsed with a solvent in counter-current as it is settling out. The inv...
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WO/2000/059986A1 |
Polysulfones are manufactured by reacting a sulfuric acid or sulfur trioxide acid with a bireactive aromatic compound, using as a 'promoter' a carboxylic acid anhydride, or equivalents thereof. The product polymers are useful as molding ...
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WO/2000/059961A1 |
Composition, to be used as catalyst for the polymerisation of monomers, comprises: 1) a compound characterised by general formula (I), wherein E is selected from the group consisting of N, P, As, Sb and X is a covalent bridging moiety; 2...
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WO/2000/054103A1 |
Chiral organic polymers doped with or appended by nonlinear optical dyes are disclosed. The use of chiral polymers produces a more stable noncentrosymmetric environment for the dye molecules resulting in unexpectedly long relaxation time...
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WO2000018824A9 |
A new poly (biphenyl ether sulfone) having improved polydispersity and also having low levels of low molecular weight oligomer.
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WO/2000/046317A1 |
An adhesive composition which comprises a resin component comprising a compound (A) obtained by replacing all or part of the oxirane rings of an epoxy compound with thiirane rings or comprising the compound (A) and a compound (B) having ...
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WO/2000/046267A1 |
The invention is directed to polymers containing a repeating unit derived from a norbornene sulfonamide. These may be addition polymers which include copolymers with one or more comonomers such as norbornene, ethylene, an acrylate or sul...
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WO/2000/039196A1 |
A novel treatment and recovery process is provided which produces commercially desirable high molecular weight poly(arylene sulfide)s from undesirable low molecular weight poly(arylene sulfide)s. The novel process reduces the quantity of...
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WO/2000/034357A1 |
Copolymers of sulfur dioxide and/or carbon monoxide and olefins, especially ethylene, can be made by contacting these monomers with a combination of selected strong Lewis acid and a selected metal or a compound of a selected metal. The r...
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WO/2000/032644A1 |
A process is provided to recover poly(arylene) sulfide from a poly(arylene) sulfide mixture. In particular, a process is provided to recover poly(arylene) sulfide utilizing at least one extraction agent followed by vacuum drying.
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WO/2000/026272A1 |
The polymerizable compositions comprise: A) at least one polyiso(thio)cyanate monomer, and at least one polythiol monomer; or at least one episulfide compound and optionally one or more compounds having two or more functional groups capa...
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WO/2000/024796A1 |
This invention relates to novel ion-conducting materials suitable for use as solid polymer electrolyte membranes in electrochemical applications including fuel cell systems. More specifically, these novel ion-conducting polymers are base...
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WO/2000/020789A1 |
Plumbing articles made from a thermoplastic resin comprising a poly(biphenyl ether sulfone) and a poly(aryl ether sulfone) comprising bisphenol A residues.
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WO/2000/015691A1 |
Ion-Exchange polymers for a polymer electrolyte membrane include a moiety of formula (I), and/or a moiety of formula (II), and/or a moiety of formula (III) wherein at least some of the units I, II and/or III are sulphonated; wherein the ...
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WO/2000/014144A1 |
The invention relates to novel aromatic poly(1,3,4-heterodiazoles) comprising 100 to 1000 recurring units, selected from the group comprised of (a); (b); (c); (d); (e); (f); (g); wherein R?1¿, R?2¿, R?3¿ and R?4¿ can be the same or d...
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WO/2000/011058A1 |
The present invention relates to a block copolymer containing 1-50 first polymer segments and 1-50 second polymer segments. Each first polymer segment has an average mole fraction of monomers possessing a branch point of 0.0001 to 1, whe...
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WO/2000/009588A1 |
The present invention relates to the reaction and to the reaction products of organo-metallic compounds, preferably Li organic compounds, deprotonised engineering-polymers with an aryl main chain and with various aromatic carbonyle compo...
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WO/2000/002952A1 |
Polyoxyalkylenepolyols or monools (I) represented by general formula (1) which are characterized in that at least 40 % of the hydroxyl-containing -AO-H groups located at the end are primary hydroxyl-containing groups represented by gener...
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WO/2000/001734A1 |
Linear cyclodextrin copolymers and linear oxidized cyclodextrin copolymers containing an unoxidized and/or an oxidized cyclodextrin moiety integrated into the polymer backbone are described. Methods of preparing such copolymers are also ...
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WO/1999/067296A1 |
Disclosed are novel polymers derivatized with at least one -SNO group per 1200 atomic mass unit of the polymer. In one embodiment, the $i(S)-nitrosylated polymer has stabilized -$i(S)-nitrosyl groups. In another embodiment the $i(S)-nitr...
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WO/1999/061513A1 |
The invention relates to a method for producing polyarylene sulfones in which a mixture comprising polyarylene sulfides, polyarylene sulfoxides, and polyarylene sulfones is oxidized in the presence of an oxidizing agent and of a suspensi...
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WO/1999/060047A1 |
A process for easily preparing a polysulfide polymer which contains in the main chain repeating polysulfide units exceeding disulfide in the number of constituent sulfur atoms to therefore function as the vulcanizing agent for rubbers ha...
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WO/1999/054373A1 |
A curable composition which has curability even at temperatures as low as -20 to 5 °C, has a low viscosity at a low temperature, and gives a cured article satisfactory in material properties such as water resistance, chemical resistance...
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WO/1999/052000A1 |
The invention concerns an ophthalmic lens made of a transparent organic polymer with high refractive index and high Abbe number. The material constituting the lens is obtained by polymerisation of a mixture of monomers comprising: at lea...
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WO/1999/051663A1 |
The invention concerns a sulphur product obtained by additive reaction of at least a polythiol (I), (A) on at least a compound of formula (II): wherein R?1¿ represents an aliphatic radical, linear or branched, comprising a double ethyle...
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WO/1999/050337A1 |
A polythioether has formula: R?1¿-[-R?2¿-S—CH(CH¿3?)—S-]¿n?-R?2¿—R?1¿, wherein R?1¿ denotes a thiol group, a hydroxyl group, an unsubstituted amine group, a monoalkyl-substituted amine group, a monovalent radical substituted...
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WO/1999/048932A2 |
The invention relates to a method for producing nitrated and optionally sulphonated and aminated and optionally sulphonated aryl main chain polymers, in addition to aryl main chain polymers thus modified. Aryl main chain polymers (e.g. (...
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WO/1999/045057A1 |
The invention relates to a method for producing sulfur-containing polymers from at least one sulfide and from at least one aromatic dihalogen compound in at least one solvent. To this end, (a) a mixture comprised of a sulfide and a solve...
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WO/1999/043731A2 |
Process for the preparation of a polymer composition comprising at least one aromatic or a mixture thereof, the process comprising: i) obtaining a reaction mixture comprising polymer precursors in a first fluid boiling in excess of 100 Â...
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WO/1999/036450A1 |
Described is a polymerizable organic composition comprising an aromatic monomer having at least two vinyl groups, e.g., divinyl benzene, a polythiol monomer having at least two thiol groups, e.g., pentaerythritol tetrakis(2-mercaptoaceta...
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WO/1999/032537A1 |
There is described a polymeric material comprising at least one repeat unit, the or each (if more than one) repeat unit consisting substantially of a moiety of Formula (1) in which: Y?1¿ represents, independently if in different repeat ...
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WO/1999/032526A2 |
The invention relates to a method for hydrogenating aromatic polymers, according to which at least one ether is used as a solvent, whereby said ether does not possess an $g(a) hydrogen atom on a carbon atom adjacent to the ether function...
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WO/1999/028984A1 |
The invention concerns novel electrode materials derived from polyquinoid ionic compounds and their uses such as in electrochemical generators. It concerns in particular compounds such as a rhodizonic acid salt; a rufigallic acid salt; a...
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WO/1999/027416A1 |
Novel thioglycerol derivatives, processes for their manufacture, and optical materials made from such compounds. The thioglycerol derivatives have high concentrations of sulfur relative to compounds conventionally used for optical materi...
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WO/1999/023280A2 |
Polysulfide corrosion inhibiting compositions used as adhesives and sealants for aircraft and military shelter industries are described as two-part compositions including a curing agent in the second part and a particular corrosion-inhib...
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WO/1999/021910A1 |
Optically active poly(aryl)ether polymers prepared from monomers containing optically pure spirobiindane and/or indane moieties are disclosed. The chiral poly(aryl)ether polymers are of high molecular weight and exhibit high optical rota...
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WO/1999/019383A1 |
A flame retardant which is free from halogen, has a high melting point and low volatility, and does not lower the characteristics inherent in resins, comprising a crosslinked phenoxy-phosphazene compound obtained by crosslinking a phosph...
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WO/1999/016830A1 |
A polyarylene sulfide resin composition excellent in moldability and particularly capable of forming moldings having excellent mechanical properties without corroding or staining metallic parts such as molds in the course of the molding,...
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WO/1999/009088A2 |
The invention relates to water-soluble polymeric thiosulfates, a method for the production thereof by polymer-analog addition of tetrathionate to the unsaturated polymers and to their use in surface coating.
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WO/1999/009072A1 |
This invention relates generally to optic devices such as lenses, (monofocal and multifocal), progressive lenses, lens blanks, and lens preforms having a specific formula.
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WO/1999/002575A1 |
The invention concerns novel polymerisable compositions and optical lenses with high refractive index obtained from said compositions, characterised in that they comprise as constituents base copolymerisable monomers at least 85 wt. % of...
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WO/1999/000442A1 |
Improvements are disclosed for biphasic polymerization processes in which an aqueous solution of a first monomer that is hydrolytically unstable below a pH of about six or above a pH of about eight is admixed with a water-immiscible orga...
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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/1998/040422A1 |
The invention provides a method for promoting the curing reactions of an acetylenic oligomer or polymer, characterised in that the oligomer or polymer is cured in the presence of sulfur or an organic sulfur derivative which is capable of...
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WO/1998/039365A2 |
A polythioether includes a structure having the formula (I): -R?1�-[-S-(CH�2?)�2?-O-[-R?2�-O-]�m?-(CH�2?)�2
?-S-R?1�-]�n?-, wherein R?1� denotes a C�2-6? n-alkylene, C�3-6? branched alkylene, C�6-8? cycloalkylen...
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