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WO/2000/068296A1 |
A copolymerization process for copolymerising carbon monoxide and an olefin employs a catalyst comprising a Group VIII metal, for example palladium, and a bidentate ligand having general formula R?1¿R?2¿M?1¿—R—M?2¿R?3¿R?4¿ wher...
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WO/2000/066600A1 |
The invention relates to a method for producing 1,2-diimine compounds of general formula (I) in which the symbols have the following meanings: R?1¿ and R?2¿, independent of one another, represent alkyl radicals, aryl radicals or metall...
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WO/2000/063277A1 |
The invention relates to a method of producing linear, alternating copolymers from carbon monoxide and an olefinically unsaturated compound with three to twenty carbon atoms or from carbon monoxide and at least two different olefinically...
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WO/2000/049060A1 |
The invention relates to a method for producing alternating carbon monoxide copolymers containing covalently bonded organic substituents. According to the inventive method, organic compounds (B) are provided with a C-C double or triple b...
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WO/2000/049088A1 |
The invention relates to polymer blends containing A) 1-99 wt. % of functionalised carbon monoxide copolymers, B) 1-99 wt. % of polyamides, C) 0-98 wt. % of non-functionalised carbon monoxide copolymers, D) 0-40 wt. % of rubber, E) 0-60 ...
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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/2000/043430A1 |
The invention relates to a method of forming carbon monoxide-containing polymers from multi-component syngas feeds and at least one vinyl comonomer. Feeds useful in the practice of the invention comprise ethylene in an amount ranging fro...
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WO/2000/043437A1 |
The invention is related to non-linear, paraffin-soluble olefin/carbon monoxide and olefin/acetylene/carbon monoxide copolymers. The invention is also related to a method for preparing olefin/carbon monoxide copolymers by heating a feed ...
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WO/2000/042089A1 |
A melt processed barrier material having an oxygen permeability of less than 1 X 10?-13¿ cc.cm cm?-2¿ s?-1¿ cmH?-1¿ at 23°C, 75% relative humidity (RH), which is obtainable by: A) melt processing a polyketone polymer composition com...
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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/2000/031164A1 |
Use of a packaging material formed from a linear polyketone polymer having an alternating structure of (a) units derived from carbon monoxide, and (b) units derived from (i) ethylene and (ii) a further alpha olefin selected from the grou...
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WO/2000/029462A1 |
Process for the preparation of copolymers of carbon monoxide, ethene and optionally up to 5 wt.% based on total weight of polymer of a C¿3?+ olefin, in which (copolymers) the units originating from carbon monoxide and the units originat...
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WO/2000/025826A1 |
The present invention pertains to biodegradable polymers comprising a non-polymerizable lactone, biodegradable compositions comprising the polymer and a therapeutic agent, the use of the compositions for the sustained release of therapeu...
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WO/2000/024807A1 |
A process for the preparation of a linear alternating polyketone which comprises: A) contacting a mixture of carbon monoxide and one or more olefins in a reactor vessel at an elevated temperature and pressure with a catalyst in a liquid ...
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WO/2000/021970A1 |
Novel reactions used to prepare phosphole and bisphosphole compounds are detailed. Novel phosphole compounds and metal coordination compounds of phosphole and bisphosphole compounds are also provided. These metal coordination compounds a...
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WO/2000/022028A1 |
A process for the preparation of a linear alternating polyketone in a reactor system comprising a reactor vessel and a loop conduit having a riser section, which process comprises: A) contacting a mixture of carbon monoxide and one or mo...
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WO/2000/020487A1 |
The invention relates to a method for the production of linear, alternating carbon monoxide copolymers from carbon monoxide and olefinically unsaturated compounds, wherein the monomers are copolymerized in the presence of a catalyst syst...
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WO/2000/015706A1 |
A composition comprising at least an aliphatic polyketone polymer and, intermixed therein, pentaerythritol; and a process for increasing the flexural modulus of polyketone comprising intermixing therewith pentaerythritol.
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WO/2000/009585A1 |
A process for reducing the carbonyl group of a polyketone consisting of a carbon monoxide ethylene-based copolymer, comprising reacting a blend of carbon monoxide ethylene-based polymer with a metal alkoxide in a molten condition in prop...
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WO/2000/009611A1 |
A solution in a solvent of a polyketone which is a copolymer of carbon monoxide with an olefin, wherein at least 90 wt.% of the copolymer is accounted for by carbon monoxide units and olefin units and the solvent is an aqueous solution o...
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WO/2000/009583A1 |
A catalyst composition which is based upon (a) a source of nickel cations and (b) a bidentate ligand of the general formula (I): R?1¿R?2¿M?1¿-R-M?2¿R?3¿R?4¿ wherein M?1¿ and M?2¿ represent independently phosphorus, nitrogen, arse...
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WO/2000/009521A1 |
Catalyst compositions based on a source of a Group VIII metal and a ligand, together capable of forming a complex of formula (I) wherein Z represents a Group VIII metal selected from palladium, cobalt and nickel and (R?1¿R?2¿)M?1¿-R-M...
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WO/2000/009584A1 |
A catalyst composition which is based upon: (a) a source of nickel cations and (b) a bidentate ligand of the general formula R?1¿R?2¿M?1¿-R-M?2¿R?3¿R?4¿ (I), wherein M?1¿ and M?2¿ represent independently phosphorus, nitrogen, ars...
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WO/2000/008030A2 |
This invention relates to processes for making phosphorus compounds R¿2?P-X-PR¿2?, R¿2?P-M, R¿2?P-L and R¿3?P, and the novel cation R¿2?P?+¿(L)-X-P?+¿(L)R¿2?, where R represents an optionally substituted hydrocarbyl group, X rep...
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WO/2000/006299A1 |
A catalyst composition obtainable by reacting together (a) a source of a Group VIII metal; (b) a bidentate phosphine ligand of formula (I) where x is 0 or 1, y is 0 or 1 and the R?1¿ groups are independently selected from a phenyl group...
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WO/2000/003803A1 |
This invention relates to a catalyst composition comprising: (a) a source of a Group VIII metal, (b) a bidentate phosphine ligand having the formula (I) R?1¿R?2¿P(CH¿2?)¿n?PR?3¿R?4¿ where n is 1 or 2 and R?1¿, R?2¿, R?3¿ and R?4...
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WO/2000/001708A1 |
The invention relates to water-soluble transition metal complexes of the general formula (I), in which the rests R?1¿ to R?4¿ are linear or branched C¿2?-C¿28? alkyl substituted by at least one polar functional group which is ionic o...
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WO/2000/001756A1 |
The invention relates to catalyst systems for the copolymerisation of carbon monoxide and $g(a)-olefinically unsaturated compounds, containing as essential constituents a) a metal complex of the general formula (I), in which the rests R?...
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WO/1999/064932A1 |
A polymer that when used with a suitable photoacid generator (PAG) forms a positive working photoresist. The polymer comprises of a tartaric polyanhydride backbone, an acetal protected 1,2 diol group; and a fused ring acetal group pendan...
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WO/1999/062973A1 |
The invention is directed towards copolymers formed from dialkyl phenyl fumarate and at least one comonomer formed from the group consisting of vinyl acetate, styrene, C¿3? to C¿30? $g(a) olefin, ethylene, and carbon monoxide. When use...
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WO/1999/063029A1 |
The invention relates to a copolymer composition useful as wax crystal modifiers and flow improvers. The compositions are copolymers of a C¿6? to C¿250? straight-chain or branched dialkyl fumarate and at least one compound selected fro...
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WO/1999/061319A1 |
An automatic cassette wrapping machine includes three interconnected stations: a station (10) for loading cassettes and inserting cassettes into an assembly line; a station (30) for receiving the cassettes and engaging the cassettes with...
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WO/1999/061508A1 |
A process for copolymerization of carbon monoxide with an olefin comprises contacting the monomers in the presence of a Group VIII metal catalyst, in a two phase reaction mixture comprising a polar phase, for example methanol/water, susp...
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WO/1999/060056A1 |
The invention relates to flameproof, melt-stable carbon monoxide copolymers containing carbon monoxide copolymers, magnesium-calcium carbonate Mg¿x?Ca¿y?(CO¿3?)¿x+y?.m(H¿2?O) and basic magnesium-carbonate Mg¿n?(CO¿3?)¿v?(OH)¿2n-...
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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/1999/052917A1 |
The invention relates to a Cis-bridged metal complex of general formula (I), wherein the subsituent R?5¿ represents an electron-attracting radical. The invention also relates to catalyst systems based on said complexes for copolymerizat...
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WO/1999/047583A1 |
The invention relates to a method for producing derivatized carbon monoxide copolymers. According to this method, functionalised, linear, strictly alternating carbon monoxide copolymers consisting of carbon monoxide, at least one 1-alken...
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WO/1999/041073A1 |
A multi-layer tube (10) suitable for use in motor vehicle system to transport fluids containing hydrocarbons such as would be found in a fuel line, a vapor return line or a vapor recovery tube having a first layer (14) radially disposed ...
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WO/1999/037702A1 |
A process for purifying a contaminated polyketone comprising (a) mixing the polyketone with a solvent in which the impurities are soluble and the polyketone is insoluble; (b) passing the resulting mixture of polyketone and solvent along ...
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WO/1999/028130A1 |
The invention relates to a multi-layered sealable film with an internal polyamide layer and an outer layer comprised of a linear, alternating constructed copolymer made of carbon monoxide and at least one ethylenically unsaturated olefin...
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WO/1999/020678A1 |
The invention relates to a method for producing linear alternating copolymers from carbon monoxide and olefinically unsaturated compounds in the presence of an activator compound and a supported catalyst system, by heterogeneous catalysi...
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WO/1999/020392A1 |
The invention relates to a method for producing supported transition metal catalysts. The support material is suspended in a non-polar aprotic liquid medium, and a metal complex is added to the suspension under control, said metal comple...
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WO/1999/018143A2 |
A polymer solution comprising a polyketone polymer dissolved in a liquid comprising a dissolved salt which salt is selected from the alkali and alkaline earth metal salts; a method of preparing the polymer solution, a method of recoverin...
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WO/1999/016822A1 |
A method of palsticizing a polyketone polymer comprising mixing the melt of the polyketone polymer with a plasticizing quantity of an amine of the general formula: R?1¿-R-NR?2¿R?3¿ wherein R is a phenylene group, R?1¿ comprises a sub...
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WO/1999/015575A1 |
A solution copolymerisation process, for copolymerisation of carbon monoxide with an olefin to make a polyketone copolymer, comprises contacting the monomers in the presence of a Group VIII metal catalyst, in a solvent comprising a compo...
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WO/1999/012990A1 |
An aromatic polyanhydride having a repeating unit with structure (I) wherein Ar is a substituted or unsubstituted aromatic ring and R is a difunctional organic moiety substituted on each Ar ortho to the anhydride group. Ortho-substituted...
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WO/1999/005201A1 |
A barrier material comprising a linear polyketone polymer having an alternating structure of (a) units derived from carbon monoxide, and (b) units derived from ethylene, hexene and optionally a further alpha-olefin which has a low oxygen...
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WO/1999/003867A1 |
The invention relates to a method for producing monoalkyl metal complexes chelated with bidentate ligands, by reacting a transition-metal compound of general formula M(X)¿k? (I) with a bidentate ligand in a polar protic solvent, in the ...
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WO/1999/001488A1 |
Nonhalogen-Containing Thermoplastic Polyolefin blends are provided which are either heat resistant and are particularly useful in wire and cable coatings, extruded profiles, sheet form or injection molded part or have an elastomeric beha...
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WO/1999/000443A1 |
The invention relates to functionalised linear alternating carbon monoxide copolymers, consisting of carbon monoxide and at least one 1-alkene (A). The inventive copolymers are characterised in that the compound (A) represents an aryl de...
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