Patents Assigned to Montefibre S.p.A.
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Publication number: 20090053953Abstract: Process for the production of acrylic fibre, for fabrics with a low pilling formation, having a titer within the range of 1.0 to 5.6 dtex, which comprises the wet spinning in a solvent of a copolymer essentially consisting of acrylonitrile, in a quantity within the range of 97 to 99.99% by weight, and a comonomer with a strong acid group of the sulfonic type having the general formula: CH2?C(R)—CH2SO3—M wherein R represents a hydrogen atom or the CH3 radical whereas M represents a hydrogen atom or an alkaline metal in a quantity ranging from 0.01 to 3% by weight.Type: ApplicationFiled: November 21, 2006Publication date: February 26, 2009Applicant: MONTEFIBRE S.p.A.Inventors: Enrico Mion, Serafina Pane, Giuseppe Salvio, Raffaele Tedesco
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Patent number: 6913823Abstract: A process for the preparation of water repellent acrylic fiber materials which includes (a) a first step in which the material is subjected to plasma treatment in the presence of a reactive gas or a mixture thereof with a noble gas; and (b) a second step in which the material obtained in step (a) is subjected to waterproofing by means of (i) traditional resin finish or (ii) with plasma generated in the presence of fluorinated compounds. The materials made of acrylic fiber obtained by the process have a waterproofing degree higher than 25 cm of water column and have a rigid appearance or good draping and softness depending on whether they have been water-proofed with treatment (i) or (ii). These materials may used in the preparation of covers or sun shields.Type: GrantFiled: July 25, 2002Date of Patent: July 5, 2005Assignee: Montefibre S.p.A.Inventors: Mario Pinton, Raffaele Tedesco, Serafina Pane
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Patent number: 6679963Abstract: A process is described for the preparation of end-products made of acrylic fiber, for external use, by the joining of one or more sheets with a copolyamide adhesive, resistant to solar light, the above junction been effected by the melting of said adhesive on the acrylic matrix and subsequent pressing of the glued area with a system capable of exerting an adequate pressure.Type: GrantFiled: November 15, 2001Date of Patent: January 20, 2004Assignee: Montefibre S.p.A.Inventors: Mario Pinton, Raffaele Tedesco
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Publication number: 20030049985Abstract: A process is described for the preparation of water repellent materials made of acrylic fibre which comprises:Type: ApplicationFiled: July 25, 2002Publication date: March 13, 2003Applicant: MONTEFIBRE S.p.A.Inventors: Mario Pinton, Raffaele Tedesco, Serafina Pane
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Publication number: 20020100549Abstract: A process is described for the preparation of end-products made of acrylic fiber, for external use, by the joining of one or more sheets with a copolyamide adhesive, resistant to solar light, the above junction been effected by the melting of said adhesive on the acrylic matrix and subsequent pressing of the glued area with a system capable of exerting an adequate pressure.Type: ApplicationFiled: November 15, 2001Publication date: August 1, 2002Applicant: MONTEFIBRE S.p.A.Inventors: Mario Pinton, Raffaele Tedesco
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Patent number: 5905136Abstract: The subject is a class of catalyzers to be used in the stage of polycondensation of the synthesis of poly(ethylene terephtalate), consisting of metal and non-metal derivatives in composition with sulfonic acids mixed with titanium compounds so that the final polymer contains a sulfur quantity of 5-60 ppm and a quantity of metals between 2 and 100 ppm.Type: GrantFiled: June 19, 1997Date of Patent: May 18, 1999Assignees: Montefibre S.p.A., Inca International S.p.A.Inventors: Riccardo Po, Luigi Pelosini
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Patent number: 5599698Abstract: The invention relates to modified materials based on polyacrylonitrile having amidic groups on their surface. The modification gives the material greater hydrophilic characteristics improving its comfort properties. In addition, it permits the polyacrylonitrile to be dyed also with acidic dyes thus making it possible for it to be used for the preparation of yarns mixed with natural fibres, such as wool for example. The process for their production involves treatment of the material with enzymes of the nitrile hydratasis class obtained from Brevibacterium imperiale.Type: GrantFiled: May 23, 1995Date of Patent: February 4, 1997Assignee: Montefibre S.p.A.Inventors: Ezio Battistel, Franco Francalanci, Massimo Marinetti, Marco Morra
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Process for recovering column bottom residues produced by fractional distillation of ethylene glycol
Patent number: 5423953Abstract: A process for recovering column bottom residues produced by distillation of ethylene glycol resulting from an aromatic polyester production process, involving treating the residues with an aromatic mono-alkyl ester and distilling the reaction product.Type: GrantFiled: January 27, 1994Date of Patent: June 13, 1995Assignee: Montefibre S.p.A.Inventors: Socrate Contessa, Riccardo Tesser, Salvatore Barrella -
Felts and nonwoven fabrics based on polyester fibers and glass fibers and process for obtaining same
Patent number: 5154798Abstract: Felts and non-woven fabrics comprising glass fibers and unstretched polyester fibers having a titer higher than 3 dtex, a break elongation higher than 100%, a modulus lower than 200 g/tex, a crystallinity lower than 20%, and a toughness lower than 20 g/tex.Type: GrantFiled: May 28, 1991Date of Patent: October 13, 1992Assignee: Montefibre S.p.A.Inventors: Paolo Melacini, Giovanni Pieri -
Patent number: 5063099Abstract: Non-woven mat consisting of one or more overlapped layers, each made of continuous, parallel, monodirectional filaments of an acrylic polymer having a tenacity of at least 50 cN/tex, an elastic modulus equal to at least 1000 cN/tex, and an ultimate elongation lower than 15%.Use of this non-woven mat as reinforcement for organic and inorganic matrices, and manufactured articles thus obtained.Type: GrantFiled: March 19, 1990Date of Patent: November 5, 1991Assignee: Montefibre S.p.A.Inventors: Raffaele Tedesco, Giampaolo Busato, Giampaolo Sinatora
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Patent number: 5004817Abstract: Compounds having the formula (I): ##STR1## wherein: M is an alkali or alkaline-earth metal or a C.sub.1 -C.sub.18 alkyl group;X is a group selected from --CH.sub.2 --, --CO--, --CH.sub.2 --CO--, --CH(CH.sub.3)--CO--,p is 0 or 1;Ar is a simple or condensed aromatic ring or Ar represents two or more aromatic nuclei bonded either by a simple bond or by an --O--, --S--, --SO.sub.2 --, --SO--, --CO--, --CS--, or --NH-- group;y is H or CH.sub.3 ;m is 1 when Y=--CH.sub.3, or an integer from 1 to 5 (including both values) when Y=H; n is a number ranging from 1 to 500 (including both values); andZ is H; a C.sub.1 -C.sub.18 alkyl; benzyl; glycidyl; acetyl; allyl; --CO--NH--R or --CO--NH--R.sub.1 --NCO group.Type: GrantFiled: February 27, 1989Date of Patent: April 2, 1991Assignee: Montefibre, S.p.A.Inventors: Catia Bastioli, Salvatore Garlisi, Dario Fornara, Vittorio Bellotti
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Patent number: 5002990Abstract: Quickly crystallizing polyester compositions containing as nucleating agent a compound having the formula: ##STR1## wherein: Me is an alkali metal or alkaline-earth metal;X is a group selected from --CH.sub.2 --, --CO--, --CH.sub.2 --CO--, and --CH(CH.sub.3)--CO);p is 0 or 1;Ar is a single or condensed aromatic ring, or Ar represents 2 or more aromatic nuclei linked either by a simple bond or by an --O--, --S--, --SO.sub.2 --, --SO--, --CO--, --CS--, or --NH-- group;R, R.sub.1, R.sub.2 may be, independently of each other, H, a linear or branched C.sub.1 -C.sub.6 alkyl radical, optionally substituted with halogen atoms or C.sub.1 -C.sub.6 alkoxy groups;Y is H or --CH.sub.3 ;m is 1 when Y is --CH.sub.3, or a number from 1 to 5 when Y.dbd.H;n is a number from 1 to 500; andZ is --H, a C.sub.1 -C.sub.18 alkyl, benzyl, allyl, glycidyl, acetyl, --CO--NH--R.sub.3 or --CO--NH--R.sub.4 --NCO group.Type: GrantFiled: February 27, 1989Date of Patent: March 26, 1991Assignee: Montefibre S.p.A.Inventors: Catia Bastioli, Vittorio Bellotti, Nello Gazzarata
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Patent number: 4908428Abstract: Quick-crystallizing polyester compositions comprising a mixture consisting or consisting essentially of a polyester thermoplastic resin and of 0.1-10% by weight of a nucleant selected from polymeric-base salts, or mixtures of salts, of alkali metals or alkaline-earth metals of the formula:M--(OOC--C.sub.6 H.sub.4 --COO--CH.sub.2 CH.sub.2 CH.sub.2 CH.sub.2).sub.m (OOC--Z--COOY).sub.n (ABRX) (1)whereinM is an alkali or alkaline-earth metal;Y is a group --CH.sub.2 CH.sub.2 --,--(CH.sub.2).sub.4 -- or --CH.sub.2 CH.sub.2 OCH.sub.2 CH.sub.2 --;Z is a group --C.sub.6 H.sub.4 --, or a group --(CH.sub.2).sub.q --, q being an integer from 7 to 10;A is an anion selected from the group consisting of carboxylate, sulphonate, sulphinate, phosphonate, phosphinate;B may be a single bond or a group selected from the group consisting of --CH.dbd.CH--, --CH.sub.2 --, --CH.sub.2 CH.sub.2 --;R is an arylene radical containing from 1 to 3 aromatic rings or a heterocyclic ring;X is a hydrogen atom or a group --COOM or --COO(CH.Type: GrantFiled: March 14, 1989Date of Patent: March 13, 1990Assignee: Montefibre S.p.A.Inventors: Catia Bastioli, Vittorio Bellotti, Luciano Del Giudice
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Patent number: 4886847Abstract: Fast-crystallizing polyester compositions comprising a mixture consisting or consisting essentially of a polyester thermoplastic resin and of a nucleating agent selected from organic acid salts having the formula: ##STR1## wherein: R is an aromatic, cycloaliphatic or heterocyclic radical, optionally substituted in the ring;R.sub.1 and R.sub.2 may be hydrogen or an alkyl radical containing from 1 to 4 C;Me is an alkali or alkaline-earth metal, andn is zero or an integer from 1 to 3.Type: GrantFiled: June 13, 1988Date of Patent: December 12, 1989Assignee: Montefibre S.p.A.Inventors: Catia Bastioli, Vittorio Bellotti, Luciano Del Giudice
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Patent number: 4820585Abstract: Agglomerates of acrylic fibers with improved dispersability in viscous organic or inorganic matrices constituted by at least 10 fibers bonded to each other, and wherein each fiber has a diameter shorter than 50 microns and a length higher than 3 mm.Type: GrantFiled: January 29, 1987Date of Patent: April 11, 1989Assignee: Montefibre S.p.A.Inventors: Raffaele Tedesco, Socrate Bocus, Luigi Signoretti
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Patent number: 4717600Abstract: A process for improving the touch and draping characteristics of polyester-based textile products by controlled and discontinuous treatment with an aqueous solution of a hydroxide of an alkaline metal containing a hydrolysis accelerator, in which the hydroxide amount of alkaline metal contained in the aqueous medium is adjusted as a function of the textile product weight loss to be obtained in the ratio 1:2.4 and in which the ratio: textile product weight/aqueous solution volume ranges from 1:5 to 1:100.Type: GrantFiled: June 9, 1986Date of Patent: January 5, 1988Assignee: Montefibre S.p.A.Inventors: Roberto Borgis, Giorgio Honorati
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Patent number: 4132556Abstract: There are disclosed new conglomerates for use in the construction or building industry and which consist of cement, gypsum, concrete and similar materials reinforced by additives which are modified polyolefin fibers plus, optionally, asbestos fibers. Processes for preparing the new and novel agglomerates are also disclosed.Type: GrantFiled: April 27, 1977Date of Patent: January 2, 1979Assignee: Montefibre S.p.A.Inventors: Pierpaolo Camprincoli, Luciano Rosati
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Patent number: 4104248Abstract: A stabilized polyolefine-based polymeric composition is disclosed characterized in that it contains as stabilizer an organic polyamine having the general formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are equal to or different from each other and are an alkyl group having from 1 to 4 carbon atoms;R.sub.5 is hydrogen or an alkyl group having from 1 to 4 carbon atoms;A is an alkylene group having from 2 to 10 carbon atoms;B is a divalent aliphatic, cycloaliphatic, aromatic or alkylaromatic radical, which can contain hetero atoms such as O, S, N and P either in the chain or as side substituents; andn is a whole number between 2 and 1000. The organic polyamine has an inherent viscosity of between 0.01 and 1 dl/g, and is employed in an amount equal to or less than 5% by weight. The stabilized polymeric composition may be in the form of fibers, filaments, films or other shaped articles. The organic polyamines themselves are novel, as are certain difunctional amine intermediates.Type: GrantFiled: March 17, 1976Date of Patent: August 1, 1978Assignee: Montefibre S.p.A.Inventor: Giuseppe Cantatore
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Patent number: 4023341Abstract: A device is disclosed for detecting yarn breaks in drawing frames and spinning frames comprising a permanent magnet attached to the ring support of the textile machine and an electromagnetic impulse detector also attached to the ring support, close to the path of the traveler which is made at least partially of a ferromagnetic material, said impulse detector being connected, through an amplifier, to a yarn cutting device positioned upstream of the feeding rollers and of the yarn stretching wheel. The electromagnetic impulse detector consists of a coil wound onto a ferromagnetic core.Type: GrantFiled: February 10, 1975Date of Patent: May 17, 1977Assignee: Montefibre, S.p.A.Inventors: Emilio Saino, Raffaele Patritti, Giorgio Toscani
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Patent number: 4014450Abstract: A symmetrical container of desired cross-sectional polygon configuration having a floor and a plurality of upstanding side walls, at least one side wall having a flange of predetermined dimensions extending a predetermined distance above the upper end of the one side wall, and at least one other side wall having a recess extending below the upper end of the other side wall to define a groove having dimensions at least as great as that of the flange. Two identical containers may then be positioned in inverted relation with the flange of each container mated within the groove of each other container to thereby define a closed housing.Type: GrantFiled: August 2, 1971Date of Patent: March 29, 1977Assignee: Montefibre S.p.A.Inventors: Floriano Girotti, Mauro Gasparini