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| Number | Title | Issue Date |
| 5414027 | High melt strength, propylene polymer, process for making it, and use thereof Disclosed is a normally solid, high molecular weight, non-linear, substantially gel-free, propylene polymer material characterized by high melt strength due to strain hardening which is believed to be caused by free-end long chain branches of the molecula... | 05/09/1995 |
| 5411994 | Graft copolymers of polyolefins and a method of producing same Disclosed are graft copolymers of polyolefins and a method of preparing said graft copolymers. The method comprises irradiating a mass of olefin polymer particles and thereafter treating the mass of particles with a vinyl monomer in liquid form. A nonoxid... | 05/02/1995 |
| 5410002 | Process for the gas-phase polymerization of alpha-olefins The present invention relates to a process for the production of homopolymers of ethylene and copolymers of ethylene with olefins CH2 .dbd.CHR, wherein R is an alkyl or aryl radical having a number of carbon atoms of from 1 to 10, and having a ... | 04/25/1995 |
| 5409992 | Calenderable blends containing broad molecular weight distribution propylene polymer material Disclosed are calenderable blends consisting essentially of (A) a heterophasic olefin polymer composition and (B) a broad molecular weight distribution propylene polymer material, and film or sheet materials thereof.... | 04/25/1995 |
| 5397820 | Monomeric hindered amine esters of monocarboxylic resin acid and olefin polymer compositions stabilized therewith Disclosed are monomeric hindered amine esters of monocarboxylic resin acids and olefin polymer compositions stabilized therewith.... | 03/14/1995 |
| 5397836 | Blends of a graft copolymer of propylene polymer material with a graft copolymer of olefinic rubber material Disclosed are blends comprising a graft copolymer of a propylene polymer material, a graft copolymer of olefin rubber material, and optionally an ungrafted olefin rubber, wherein the grafting monomers are selected from the group consisting of (i) aromatic... | 03/14/1995 |
| 5387749 | Process for the preparation of linear low density polyethylene Process for the preparation of LLDPE with improved processability by gas phase polymerization performed in two or more reactors, wherein, whatever the order, in one of the reactors a mixture of ethylene and an alpha-olefin CH2 .dbd.CHR, where R... | 02/07/1995 |
| 5371299 | Process for the preparation of diethers Preparation of diethers of the formula ##STR1## wherein R is an alkyl, cycloalkyl, aryl, or aralkyl radical, by formation of an unsaturated aldehyde of the formula ##STR2## wherein R is as defined above, by means of an aldol condensation reactio... | 12/06/1994 |
| 5370813 | Heat resistant composition of polyphenylene ether and/or polystyrene block copolymer(s) and styrenic grafted propylene polymer Disclosed are resin compositions comprising (a) a polyphenylene ether resin, a styrene resin or mixtures thereof, (b) a styrenic grafted propylene polymer material, (c) one or more monoalkenyl aromatic hydrocarbon-conjugated diene block copolymers, hydrog... | 12/06/1994 |
| 5371124 | Radiation-resistance propylene polymer composition and radiation sterilized articles therefrom Disclosed is a radiation resistant propylene polymer composition comprising a propylene polymer material and generally from about 0.1 to about 5 pph, of the propylene polymer material, of a rosin material. A hindered amine is present when the concentratio... | 12/06/1994 |
| 5368927 | Bonded articles comprising a nonwoven fabric and a polyolefin film and the process for their preparation Articles comprising a nonwoven polypropylene fabric bonded directly to a film of a heterophasic polymer composition comprising: A) a polypropylene homopolymer, or a crystalline copolymer of propylene with ethylene and/or another -olefin B) an ethylene-p... | 11/29/1994 |
| 5369186 | Alpha olefins functionalized polymers Disclosed are polymers and copolymers of CH2 .dbd.CHR alpha olefins where R is hydrogen or a 1-6 carbon atom alkyl radical, containing in the chain from 0.1 to 40 mole % of monomeric units ##STR1## where X is selected from the group consis... | 11/29/1994 |
| 5360849 | Mixtures of bitumen and polymer compositions suitable for the modification of bitumens A mixture containing bitumen and a polymer composition, characterized in that the polymer composition comprises: A) 10-40 parts by weight of an isotactic propylene homopolymer, or a random copolymer of propylene with ethylene and/or a C4 -C10 | 11/01/1994 |
| 5359027 | Process for the synthesis of lactic acid polymers in the solid state and products thus obtained Polymers and copolymers of L(+) and D(-) lactic acid, with high molecular weight and in the absence of catalysts, are prepared by upgrading low molecular weight polymers in the solid state.... | 10/25/1994 |
| 5352830 | Phosphorous organic amides suitable as stabilizers and polymer compositions which comprise them New phosphorous organic amides of a specific formula and their use as stabilizers for polymers and, other organic materials.... | 10/04/1994 |
| 5349016 | Fibers of graft copolymers having a propylene polymer material backbone Disclosed are fibers comprising a graft copolymer consisting of a propylene polymer material backbone having graft polymerized thereto an ethylenically unsaturated monomer(s) or a blend of at least two of said graft copolymers.... | 09/20/1994 |
| 5346756 | Nonwoven textile material from blends of propylene polymer material and olefin polymer compositions Disclosed is a nonwoven textile material comprising fibers of a propylene polymer material blended with an olefin polymer material.... | 09/13/1994 |
| 5338801 | Compositions of propylene polymer materials and olefin polymer materials with reduced gloss Disclosed is a polyolefin composition comprising (A) a propylene polymer material and (B) an olefin polymer material selected from the group consisting of a partially crosslinked thermoplastic elastomer composition, an olefin copolymer rubber and a mixtur... | 08/16/1994 |
| 5338764 | Process for the preparation of foamed propylene polymer articles Foamed propylene polymer articles are prepared by subjecting pre-foamed beads, that consist essentially of propylene polymers having a melt strength from 5 to 40 cN, to thermoforming by sintering.... | 08/16/1994 |
| 5331047 | Olefin polymer films Disclosed are films or sheets comprising a blend of 1) a heterophasic olefin polymer composition and 2) a copolymer of ethylene with a CH2 .dbd.CHR alpha-olefin, where R is a C1-8 straight or branched alkyl. Coextruded films or sheets and... | 07/19/1994 |
| 5326801 | Polymer compositions containing organic phosphite stabilizers New organic phosphites of a specific formula are used as stabilizers for polymers and other organic materials.... | 07/05/1994 |
| 5326639 | Thermoplastic olefin polymer and method of preparing same Disclosed is a thermoplastic olefin polymer having elastic properties comprising a) greater than 60 to 85 parts of a crystalline polymer fraction selected from the group consisting of (i) a copolymer of propylene and at least one alpha-olefin, (ii) a poly... | 07/05/1994 |
| 5324755 | Glass fiber reinforced composition of propylene polymer grafted with styrenic monomer and containing styrenic polymer Disclosed are compositions comprising, (a) a propylene polymer material grafted in the solid state with (i) styrenic polymer and further comprising (ii) ungrafted styrenic polymer, and, optionally (iii) a vinyl comonomer and when the optional vinyl comono... | 06/28/1994 |
| 5324761 | Monocarboxylic acid esters and olefin polymer composition stabilized therewith Disclosed are 2,4,6-trialkyl-3-hydroxybenzyl esters of monocarboxylic resin acids and olefin polymer compositions stabilized therewith.... | 06/28/1994 |
| 5324753 | Process for the preparation of foamed propylene polymer articles Foamed propylene polymer articles are prepared by subjecting pre-foamed beads, that consist essentially of propylene polymers having a melt strength from 5 to 40 cN, to thermoforming by sintering.... | 06/28/1994 |
| 5318842 | Biaxially oriented propylene polymer film or sheet articles Disclosed are biaxially oriented film or sheet articles comprising: (a) a base or inner layer of a film or sheet of a crystalline homopolymer of a C3-10 alpha-olefin monomer or of a certain propylene copolymers; and (b) at least one surface layer of... | 06/07/1994 |
| 5310794 | Theromoplastic blends containing graft copolymers of polyacrylates as impact modifiers Disclosed are blends comprising a propylene polymer material grafted with a polymerizable monomer(s) of a polymer(s) having a Tg greater than 80° C., a propylene polymer material grafted with a polymerizable monomer(s) of a polymer(s) having a Tg less th... | 05/10/1994 |
| 5300470 | Components and catalysts for the polymerization of ethylene Solid catalyst components for the preparation of catalysts capable of producing polymers and copolymers of ethylene with ultra high molecular weight are obtained in the form of particles having an average diameter of less than 10 micrometers, by way of re... | 04/05/1994 |
| 5300365 | Olefin polymer films Disclosed are films or sheets comprising an olefin polymer composition which is comprised of (a) from about 10 to 50 parts of a propylene homopolymer having an isotactic index greater than 80, or a copolymer of propylene with ethylene and/or an another al... | 04/05/1994 |
| 5298561 | Propylene polymer composition having good transparency and improved impact resistance Propylene polymer compositions having good transparency and improved impact resistance at low temperature comprising: a) 70 to 98% by weight crystalline copolymer of ethylene with propylene and/or with an alpha olefin of the formula H2 C=CHR where R... | 03/29/1994 |
| 5298552 | Water based adhesive compositions and primers for polyolefins Predominantly water based adhesive compositions and primers comprising: A) 2 to 50 parts by weight of a solution in a non-ionic surface active agent of one or more chlorinated polyolefins; B) 50 to 98 parts by weight of a component selected from: 1) an aqueous disp... | 03/29/1994 |
| 5296548 | Compositions of crystalline propylene polymers having a low seal temperature Discosed are compositions of crystalline propylene polymers comprising (by weight): A) 30-65% of a copolymer of propylene with a C4 -C8 -olefin, containing from 98 to 80% propylene; B) 35-70% of a copolymer of propylene with ethyle... | 03/22/1994 |
| 5286552 | Process for the production of propylene polymer films and laminates and products thus obtained Disclosed are films and laminates which are prepared by known filming or calendering processes using heterophasic propylene polymer compositions comprising: A) 10-60 parts by weight of homopolymer polypropylene having an isotactic index greater than 90, o... | 02/15/1994 |
| 5286564 | Elastoplastic polyolefin compositions Elastoplastic polyolefin compositions endowed with high flexibility, comprising: A) 10-50 parts by weight of a homopolymer of propylene with isotactic index greater than 80, or a copolymer of propylene with ethylene, another -olefin, or combination... | 02/15/1994 |
| 5286791 | Impact modified graft copolymer compositions containing broad molecular weight distribution polypropylene Disclosed are impact modified graft copolymer compositions comprising (A) from 10 to 90% of a graft copolymer of a propylene polymer material having graft polymerized thereto one or more vinyl monomer(s), (B) from 90 to 10% of at least one broad molecular... | 02/15/1994 |
| 5264612 | Process for the preparation of aryl-substituted propionic acid esters Disclosed is a process for the preparation of aryl-substituted propionic acid esters having the formula: ##STR1## wherein R and R1 are a C1 -C12 linear or branched alkyl, a C5 -C12 cycloalkyl, a ... | 11/23/1993 |
| 5260389 | Process for the preparation of 1,5-hexadiene cyclopolymers having a high content of cyclopentane rings in cis-configuration Highly crystalline high melting 1,5-hexadiene cyclopolymers are prepared by carrying out the polymerization in the presence of a catalyst comprising a specific Zr or Hf metallocene compound and specific alumoxane compounds.... | 11/09/1993 |
| 5256226 | Process for repairing exposed or damaged parts of a plastic coatings on metal tubing by coating or patching the area with an adhesive polymer composition Disclosed is a process for repairing removed or damaged parts of plastic coating on metal tubing characterized in that the coating material or the adhesive for patches or bands is an adhesive polymer composition comprising by weight: A) from 59% to 94% of... | 10/26/1993 |
| 5248326 | Method of treating propylene polymer-containing disposable products after use, and product of enhanced compostability made thereby A method of enhancing the compostability of waste products (i.e., products which have been discarded after use such as diapers) containing one or more propylene polymer materials by exposure to high-energy ionizing radiation in an oxidizing atmosphere, su... | 09/28/1993 |
| 5244854 | Components and catalysts for the polymerization of olefins Catalyst components for the polymerization of olefins, obtained by reacting a tetravalent titanium halide or halogen alcoholate and an electron-donor compound with a solid comprising a porous metallic oxide containing hydroxyl groups on the surface, on wh... | 09/14/1993 |
