| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 526348600 | At least four carbon atoms | 26 |
| 20080249273 | Isotactic 1-butene copolymers - An isotactic 1-butene copolymer having a content up to 30% by mol of at least one alpha-olefin of formula CH | 10-09-2008 |
| 20080306234 | PROPYLENE COPOLYMER, POLYPROPYLENE COMPOSITION AND USES THEREOF, TRANSITION METAL COMPOUND AND OLEFIN POLYMERIZATION CATALYST - A propylene elastomer (PBER) comprising (a) 50 to 85 mol % of units derived from propylene, (b) 5 to 25 mol % of units derived from 1-butene and (c) 10 to 25 mol % of units derived from ethylene, and having a molar ratio of propylene content to ethylene content of from 89/11 to 70/30, and a modulus in tension (YM), as measured in accordance with JIS 6301, of not more than 40 Mpa. | 12-11-2008 |
| 20090023881 | Catalyst for synthesizing a polypropylene with a wide molecular weight distribution and use of the same - The present invention relates to a catalyst for synthesizing a polypropylene with a wide molecular weight distribution and use of the same. The catalyst comprises magnesium halide, titanium-containing compound, and an organic phosphate type electron donor compound. By the catalyst according to the present invention, a propylene polymer with a wide molecular weight distribution, easily controllable isotacticity and good processing properties can be synthesized. | 01-22-2009 |
| 20090163687 | PROCESS FOR PREPARING 3-METHYLBUT-1-ENE - The present invention relates to the preparation of 3-methylbut-1-ene from a hydrocarbon stream I comprising isobutene by feeding a hydrocarbon stream II which comprises at least 70% by mass of isobutene in relation to the olefins present in the hydrocarbon stream and which has been obtained from hydrocarbon stream I or is identical to it to a process step for hydroformylation in which isobutene is hydroformylated in the presence of a rhodium catalyst, hydrogenating the aldehyde obtained from the hydroformylation of isobutene to the corresponding alcohol and preparing 3-methylbut-1-ene by water elimination from the alcohol. | 06-25-2009 |
| 20090270580 | Ethylene Polymer, and Thermoplastic Resin Composition Comprising the Same, and Molded Product Obtained Therefrom - Provided is an ethylene polymer of the present invention, which is a copolymer of ethylene and an α-olefin having 4 to 10 carbon atoms, and satisfies the following conditions [1] to [4] simultaneously:
| 10-29-2009 |
| 20100121015 | 1-BUTENE PROPYLENE COPOLYMER COMPOSITIONS - A 1-butene/propylene copolymer composition having a content of propylene derived units from 4 to 10% by weight, wherein at least 50% of the polymer is present in the thermodynamically stable, trigonal form 1 after 100 hours at room temperature, said composition comprising:
| 05-13-2010 |
| 20100137543 | 1-BUTENE ETHYLENE COPOLYMERS - A 1-butene ethylene copolymer having an ethylene derived units content ranging from 15.10% by molto 18.00% by mol having the following properties: a) distribution of molecular weight lower than 3; preferably b) hardness shore A (measured according to ISO 868) lower than 65; c) tension set lower than 30% at 100% of deformation (ISO 2285) d) no melting pointdetectable at the DSC; e) Melting enthalpy measured after 10 days of aging at room temperature comprised between 4 and 15 J/g. | 06-03-2010 |
| 20100144998 | PROCESS FOR FINE PURIFICATION OF 1-BUTENIC STREAMS - The invention relates to a process for preparing 1-butenic fractions having less than 2000 ppm of isobutene in relation to 1-butene from technical mixtures of C | 06-10-2010 |
| 20100179295 | 4-METHYL-1-PENTENE POLYMER, PROCESS FOR PRODUCING THE SAME AND USE THEREOF - [Object] The present invention provides a 4-methyl-1-pentene polymer having excellent balance between heat resistance and rigidity, a process for producing the polymer, and a film and a LED mold formed from the polymer. | 07-15-2010 |
| 20110034658 | 1-BUTENE TERPOLYMERS - 1-butene/ethylene/propylene terpolymer containing:
| 02-10-2011 |
| 20110263807 | Solution Process for the Olefins Polymerization - A process for the polymerization of one or more olefins under solution polymerization conditions to produce a polymeric solution, said process comprising contacting the produced polymeric solution with one or more antioxidant compounds before or concurrently with subjecting the polymeric solution to a devolatilization step to separate the polymer from the unreacted monomers. | 10-27-2011 |
| 20110288256 | PROCESS TO MAKE ALPHA OLEFINS FROM ETHANOL - The present invention relates to a process to make alpha olefins comprising:
| 11-24-2011 |
| 20120065352 | ETHYLENE-A-OLEFIN COPOLYMER AND ARTICLE - An ethylene-α-olefin copolymer comprising monomer units derived from ethylene and monomer units derived from an α-olefin having 3 to 20 carbon atoms, having a density (d) of 860 to 950 kg/m | 03-15-2012 |
| 20120142882 | PE MIB SLURRY POLYMERISATION - An alkene interpolymer is prepared by polymerizing at least one 3-substituted C | 06-07-2012 |
| 20120238721 | INTEGRATED PROCESS FOR THE PRODUCTION OF ETHYLENE-BUTYLENE COPOLYMER, AN ETHYLENE-BUTYLENE COPOLYMER AND THE USE OF ETHYLENE AND 1-BUTYLENE, AS COMONOMER, SOURCED FROM RENEWABLE NATURAL RAW MATERIALS - An ethylene-butylene copolymer prepared from integrated processes for the production of ethylene-butylene copolymers produced from at least one renewable natural raw material, wherein, in the ethylene monomer used in the polymerization of the ethylene copolymer with 1-butylene, as the comonomer, ethylene is obtained by the ethanol dehydration reaction, in which ethanol is produced by the fermentation of sugars, and the 1-butylene comonomer is obtained according to at least one of dehydration reactions involving 1-butanol and the dimerization reaction of ethylene produced by the dehydration of ethanol obtained from the fermentation of sugars, followed by the isomerization of the 2-butylene isomers then formed. The ethylene-butylene copolymer thus produced is completely based on carbon atoms originated from renewable natural raw materials which, upon incineration, produce CO | 09-20-2012 |
| 20130317193 | PROCESS FOR PREPARING FLOWABLE AMORPHOUS POLY-ALPHA OLEFIN ADHESIVE PELLETS - The present invention relates to a process for producing free-flowing, agglomeration resistant amorphous poly-alpha-olefin based adhesive pellets. The process includes (a) extruding the adhesive through an orifice of a die plate immersed in a cooling fluid; (b) cutting the adhesive into a plurality of pellets in the cooling fluid; (c) solidifying the pellets at a temperature range of about 25° C. to about 40° C. for at least 30 minutes; and (d) separating the pellets from the recrystallization fluid and drying the pellets. The pellets harden at least three folds faster than conventionally formed pellets. | 11-28-2013 |
| 20140171611 | METHOD FOR RECOVERING POLYMER AND APPARATUS THEREFOR - Process and apparatus for recovering polymer from a a gas phase reactor having a distribution plate via an outlet vessel comprising at least one apparatus for the breakup of polymeric agglomerates, the apparatus further comprising a feed pipe connecting the gas phase reactor and the outlet vessel a return gas line connecting the gas phase reactor and the outlet vessel, means for varying the flow rate through the return gas line from the outlet vessel to the gas phase reactor, and means for varying the outlet rate of polymer product from the outlet vessel. | 06-19-2014 |
| 20150051364 | MULTIMODAL POLYMER - A multimodal ethylene copolymer with a density of at least 940 kg/m | 02-19-2015 |
| 20160032153 | LOW APPLICATION TEMPERATURE AMORPHOUS POLY-a-OLEFIN ADHESIVE - It has been discovered that amorphous polybutene copolymers that have a softening point of from about 70 to about 105° C. and viscosity of less than about 1,900 cP at 190° C. possesses desirable properties and may be used to make a low application temperature hot melt adhesive for disposable absorbent articles. | 02-04-2016 |
| 20160251461 | PROPYLENE-BASED ELASTOMER | 09-01-2016 |
| 20160376385 | PROCESS FOR PRODUCING OLEFIN POLYMER AND OLEFIN POLYMER - [Problem to be solved] | 12-29-2016 |
| 20170233511 | ETHYLENE/ALPHA-OLEFIN COPOLYMER HAVING EXCELLENT PROCESSABILITY | 08-17-2017 |
| 526348700 | Isobutylene | 4 |
| 20090023882 | PROCESS FOR PREPARATION OF POLYISOBUTYLENE WHOSE CONTENT OF TERMINAL DOUBLE BONDS IS MORE THAN 50% FROM AN INDUSTRIAL C4 HYDROCARBON STREAM COMPRISING 1-BUTENE, 2-BUTENE AND ISOBUTENE - Preparation of polyisobutylene having a content of terminal double bonds of more than 50% by polymerizing isobutene using a polymerization catalyst customary therefor from a technical 1-butene-, 2-butene- and isobutene-containing C | 01-22-2009 |
| 20120329973 | INITIATING SYSTEM FOR CATIONIC POLYMERIZATION AND POLYMERIZATION PROCESS - The present invention discloses an initiating system for cationic polymerization and a polymerization process. The present application relates to an initiating system for cationic polymerization of cationic-polymerizable monomers, and a process for cationic polymerization of cationic-polymerizable monomers by using the initiating system. The present invention particular involves an initiating system for cationic polymerization of cationic-polymerizable monomers in an aqueous reaction medium, and a process for cationic polymerization of cationic-polymerizable monomers by using the initiating system in an aqueous reaction medium. | 12-27-2012 |
| 20140235810 | Mid-Range Vinylidene Content, High Viscosity Polyisobutylene Polymers - A mid-range vinylidene content, high viscosity PIB polymer composition including PIB molecules, wherein a first portion of the PIB molecules have alpha position double bonds and a second portion of the PIB molecules have beta position double bonds, and the first and second portions together include at least 80 mole % of the PIB molecules of the composition. The first portion includes less than 75 mole % of the PIB molecules of the composition. Additionally, no more than 10 mole % of the PIB molecules of the composition have tetra-substituted double bonds, while the composition is further characterized by having a polydispersity of no more than 2.7 and in that the composition has a kinematic viscosity in the range of 3000 cSt to 5000 cSt, a number average molecular weight, Mn, in the range of 2800 Daltons to 4000 Daltons and a ratio of Mn:PDI of greater than 1100. | 08-21-2014 |
| 20150126699 | Hydrocarbon Conversion Process - The invention relates to methods and equipment for converting C | 05-07-2015 |
