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Norsolor Patents
Assignee:
Norsolor
Address:
Paris, FR
No. of patents:
39
Patents:












Patent Number Title Of Patent Date Issued
5483001 Thermoplastic compositions based on ethylene polymer and polyester January 9, 1996
Thermoplastic composition comprising at least 40% by weight and not more than 70% by weight of a crosslinked polymer phase obtained by blending at least one copolymer (a) of 96 to 55% by weight of ethylene, of 3 to 30% by weight of at least one alkyl or cycloalkyl acrylate or methacrylat
5424375 Process for the manufacture of a polymeric material containing interpenetrated polysiloxane-poly June 13, 1995
The polysiloxane network (1) of this polymeric material is formed by (1a) at least one .alpha.,.omega.-dihydroxylated polydimethylsiloxane and/or an .alpha.,.omega.-dihydroxylated poly(dimethyldiphenyl)siloxane containing at least 70% of dimethylsiloxane units; (1b) a crosslinking agent
5408005 Process for the manufacture of an impact-resistant thermoplastic resin April 18, 1995
A process for preparing a rubber modified thermoplastic resin, in which a latex in aqueous emulsion is prepared in the presence of an ionic surfactant; a vinyl monomer insoluble or substantially insoluble in water is added, and the particles of the latex are transferred to the monomer to
5407999 Thermoplastic compositions based on saturated polyester and molded articles containing them April 18, 1995
Thermoplastic composition comprising at least 60% by weight of a saturated polyester and not more than 40% by weight of at least one polymeric reinforcement.The polymeric reinforcement employed is an at least partially crosslinked polymeric composition obtained by mixing:(a) at least one
5356848 Catalytic composition for the polymerization of olefins and its process of preparation October 18, 1994
Process for the preparation of a catalytic composition for the polymerization of olefins. At least partial electrochemical oxidation of aluminum in a solvent of .alpha.,.omega.-dihalogeno-alkane and simultaneously the electrochemical reduction of a compound of titanium (IV) occur in
5320994 Process for preparing a catalyst for the polymerization of olefins June 14, 1994
The process comprises, in a first step, the reduction of a titanium (IV) compound in an .alpha.,.omega.-dihalogenoalkane using a molar excess of at least one halogenated organoaluminium compound in the absence of an ether, and then in a second step, the addition of a reaction mixture of
5266626 Thermoplastic elastomer based on an ethylene/.alpha.-olefin copolymer and on polynorbornene November 30, 1993
Composition comprising a mixture from 20 to 70 parts by weight of polynorbornene, from 80 to 30 parts by weight of crystalline polyolefine and a quantity of plastifier for the polynorbornene sufficient to lower its glass transition temperature down to the range of rubbers, characteri
5218046 Thermoplastic compositions, process for preparing them and their application in the production o June 8, 1993
The compositions contain a) less than 90% and at least 2% by weight of at least one ethylene polymer (A), and optionally, at least one .alpha.-olefin having from 3 to 12 carbon atoms, said polymer containing at least 70% in moles of patterns derived from ethylene, and b) more than 10
5208292 Thermoplastic compositions based on saturated polyester and moulded articles containing them May 4, 1993
Thermoplastic composition comprising at least 60% by weight of a saturated polyester and not more than 40% by weight of at least one polymeric reinforcement.The polymeric reinforcement employed is an at least partially crosslinked polymeric composition obtained by mixing:(a) at least one
5171782 Invert microlatices useful as flotation and drainage additives and for absorption and retention December 15, 1992
An invert microlatex of at least one cationic water-soluble vinyl monomer, if necessary copolymerized with at least one anionic or non-anionic water-soluble vinyl monomer, is prepared by a process consisting in a first stage (a) of preparation of an invert microemulsion (of the water
5162462 Process for the preparation of aminoplastic resin for use in the production of particle boards w November 10, 1992
Process for the production of aminoplast resins. The process entailing the addition of ureido-2-diamino-4,6-triazine-1,3,5, and optionally melamine, to aminoplast resin. Preferably the triazine is added in a proportion of at least 10% by weight. The resultant aminoplasts can be used to m
5159006 Flame-retarded polymer compositions and their application to electric cable sheaths October 27, 1992
Flame-retarded polymer compositions comprising a hydrated inorganic filler, at least one ethylene-vinyl acetate copolymer and at least one copolymer of ethylene and at least one .alpha.-olefin, characterized in that they consist essentially of 120 to 240 parts by weight of hydrated inorg
5120424 Binder pitch for an electrode and process for its manufacture June 9, 1992
The disclosed bonding pitch for electrodes, having a softening point C.I.A. comprised between 80.degree. C. and 150.degree. C., a concentration of quinoline-insoluble substances higher or equal to 4% by weight, a concentration of .alpha.+.beta. resins comprised between 28 and 40% by
5082918 Phenolic resin compositions suitable for the manufacture of prepreg mats January 21, 1992
Phenolic resin compositions.Phenolic resin compositions containing an additive consisting of at least 20% by weight of an alkaline or alkaline-earth metaborate relative to the toal weight of the additive.Applications to the manufacture of phenolic prepreg mats which are stable in storage
5068014 Catalytic composition for the polymerization of olefins and its process of preparation November 26, 1991
Process for the preparation of a catalytic composition for the polymerization of olefins. At least partial electrochemical oxidation of aluminum in a solvent of .alpha.,.omega.-dihalogeno-alkane and simultaneously the electrochemical reduction of a compound of titanium (IV) occur in
5034500 Process for the manufacture of urea-formaldehyde resins July 23, 1991
Urea-formaldehyde resins, particularly useful for producing particle boards having lower rates of release of formaldehyde are synthesized in several stages including a stage of further condensing a first condensate having a F/U molar ratio of 1.8-2.3 and which was condensed at a pH of be
5032321 Flame-retardant polymer compositions and their application to the sheathing of electrical cables July 16, 1991
Flame-retarded polymer compositions comprising a hydrated inorganic filler, at least one ethylene/alkyl (meth)acrylate copolymer and at least one copolymer of ethylene and of at least one .alpha.-olefin, which compositions consist essentially of 120 to 240 parts by weight of hydrated
5024983 Catalyst system, process for its preparation and its application to the manufacture of aldehydes June 18, 1991
The catalyst system is characterized in that it comprises:at least one platinum complex of formula LPtX.sub.2 in which L is an organic compound containing at least two phosphorus atoms capable of coordinating platinum and X is a halogen atom, andat least one combination formed between iron a
5008365 Process for the manufacture of urea-formaldehyde resins containing melamine April 16, 1991
A process for the preparation of a urea-formaldehyde resin exhibiting reduced gel time and improved stability, wherein the resin contains not more than 10% melamine, which is added during the first stage of the reaction with the other reactants, and wherein the reaction is conducted
4997905 Process for the preparation of aminoplastic resins having very low formaldehyde emission rates March 5, 1991
The preparation of aminoplastic resins containing melamine, having very low rates of formaldehyde emission, and being particularly useful for the production of particle boards. In a second stage of the process for preparing the resin, additional NH.sub.2 (melamine and urea) is added to a
4997542 Impregnation pitch with improved filterability and process for its manufacture March 5, 1991
An impregnation pitch having a Kraemer-Sarnow softening point ranging from about 60.degree. C. to 80.degree. C., a content of quinoline-insoluble substances less than or equal to 7% by weight, and a filterability index greater than or equal to 4.5. A process for the manufacture thereof,
4990566 Crosslinked polymer compositions, a process for their production and moulded articles obtained February 5, 1991
Polymer composition based on a mixture of 15 to 50% by weight of a propylene polymer and of 50 to 85% by weight of a flexible ethylene copolymer. The flexible ethylene copolymer is either a terpolymer (A) comprising from 83 to 92.7 mol % of ethylene, from 7 to 14 mole % of at least o
4978776 Process for the manufacture of methyl methacrylate from isobutyric acid December 18, 1990
A process for the manufacture of methyl methacrylate from isobutyric acid employing a catalytic oxidative dehydrogenation reaction in the vapor phase followed by condensation, liquid-liquid extraction, esterification, separation and purification steps.
4962182 Process for curing aminoplastic resins October 9, 1990
Curing aminoplastic resins containing urea and melamine by adding as the curing catalyst, a triazinone derivative.
4962166 Manufacture of creep-free prepregs based on phenolic resins October 9, 1990
In the manufacture of creep-free prepregs based on phenolic resins of the resole type, the reinformcing agents are impregnated with an essentially solvent-free mixture of a phenolic resin and a viscosity controlling amount up to 60% by weight of the resin of an alkali metal metaborate or
4954394 Phenolic resin compositions September 4, 1990
Phenolic resin compositions.Phenolic resin compositions containing an additive consisting of at least 20% by weight of an alkaline or alkaline-earth metaborate relative to the total weight of the additive.Applications to the manufacture of phenolic pre-preg mats which are stable in stora
4952635 Process for the manufacture of an impact resistant thermoplastic resin August 28, 1990
A process for preparing a rubber modified thermoplastic resin, in which a latex in aqueous emulsion is prepared in the presence of a non-ionic surfactant; a vinyl monomer insoluble or substantially insoluble water is added, and the particles of the latex are transferred to the monomer to
4927867 Process for the manufacture of an impact-resistant thermoplastic resin May 22, 1990
A process for preparing a rubber modified thermoplastic resin, in which a latex in aqueous emulsion is prepared in the presence of an ionic surfactant; a vinyl monomer insoluble or substantially insoluble in water is added, and the particles of the latex are transferred to the monomer to
4927703 Process for the anionic polymerization of acrylic monomers and optionally of vinyl comonomers May 22, 1990
A process for the polymerization of acrylic monomers and optionally of vinyl comonomers using (i) an initiator of formula (I):in which M denotes a metal selected from the group consisting of alkali metals and alkaline earth metals and R denotes a straight-chain or branched alkyl radical
4917734 Grafted ethylene polymers and copolymers and their applications as binders for coating April 17, 1990
The present invention relates to grafted ethylene polymers and copolymers characterized in that they are thermoplastic and, if appropriate, crosslinkable and soluble at ambient temperature in organic solvents and/or aqueous media and in that they are prepared by polymerization of (in
4897449 Multilayer composite interpolymer comprising a bimodal particle distribution process for its pre January 30, 1990
A multilayer interpolymer material of an elastomeric inner phase polymerized from (a) 50-99.9 parts of at least one among: conjugated dienes and alkyl and aralkyl acrylates, (b) 0-49.9 parts of at least one copolymerizable monomer, (c) 0.05-8 parts of at least one crosslinking monome
4877908 Chiral phosphorus compounds, a process for their manufacture and their application to the cataly October 31, 1989
Chiral phosphorus-containing ligands comprising at least one amine radical and at least one dihydrocarbylphosphinoxy radical of the formula W=OP (R).sub.2, in which R is a hydrocarbon radical selected from the group consisting of alkyl, aryl, and cycloalkyl radicals, wherein the ligand i
4859796 Reacting a (meth)acrylic anhydride with a diamine to form a n-dialkylaminoalkyl(meth)acrylamide August 22, 1989
The present invention relates to a process for the preparation of an N-dialkylaminoalkyl(meth)acrylamide of formula: ##STR1## in which: R.sub.1 is a methyl radical or a hydrogen atom,R.sub.2 is a straight-chain or branched alkyl group containing at most 10 carbon atomsR.sub.3 and R.s
4857239 Process for the synthesis of (math)acrylic anhydrides August 15, 1989
The present invention relates to a process for the synthesis of (meth)acrylic anhydride, according to which (meth)acrylic acid is reacted with acetic anhydride in the presence of at least one polymerization inhibitor, in a reactor surmounted by a distillation column. This process is
4851568 Process for the manufacture of dialkylaminoalkyl (meth)acrylates July 25, 1989
Process for the manufacture of dialkylaminoalkyl (meth)acrylates (I) of formula:R.sub.1 being a hydrogen atom or a methyl radical, A being a linear or branched alkyl radical containing 1 to 5 carbon atoms, and R.sub.2 and R.sub.3, which are identical or different from each other, are an
4824585 Calcium soaps possessing a high basicity reserve April 25, 1989
Calcium superbase soaps consist essentially of calcium dissolved in at least one oil in the form of carbonate and of salts of acids, the said acids consisting of a mixture or otherwise of saturated organic carboxylic acids containing from 7 to 13 carbon atoms in which the linear acid
4774378 Process for production of styrene September 27, 1988
The present invention relates to a process for the production of styrene by the catalytic dehydrogenation of ethylbenzene into styrene in the presence of steam which is, in a first stage, used for heating the reaction effluents, and then used as diluent for ethylbenzene. This process is
4774280 Polyethylene based resins, their preparation, and their application as binding agents in coating September 27, 1988
New resins based on oxidized polyethylene, which are thermoplastic or thermosetting, soluble in solvents and/or aqueous media, are characterized in that they consist essentially of grafted polyethylene obtained by preparing a dispersion of a molten oxidized polyethylene in an organic
4745214 Process for the preparation of an aqueous solution of unsaturated quaternary ammonium salts May 17, 1988
For the preparation of an aqueous solution of unsaturated quaternary ammonium salts of the formula (I):e.g., methacryloyloxyethyltrimethylammonium chloridethe steps of:(a) reacting a (meth)acrylic monomer, e.g., dimethylaminoethyl methacrylate in a closed reactor, in the presence of a polyme

 
 
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