专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

71. 发明申请

US20210221985A1 Polyolefin Compositions 有权
公开(公告)号：US20210221985A1
公开(公告)日：2021-07-22
申请号：US16095886
申请日：2017-04-25
申请人： Total Research & Technology Feluy
发明人： Claire Bouvy , Olivier Miserque , Jaques Michel
IPC分类号： C08L23/06 , B29C48/00
摘要： The present invention relates to a polyolefin composition comprising: a) at least one first polyolefin having a multimodal molecular weight distribution and prepared in the presence of at least one metallocene catalyst; and b) at least one second polyolefin having a Mw/Mn of at least 10.0 and a long chain branching index grheo of at least 0.85, wherein said second polyolefin is present in an amount of at least 1.0% by weight based on the total weight of the polyolefin composition; wherein the second polyolefin has a High Load Melt Index of at least 0.60 times the High Load Melt Index HLMI of the first polyolefin and of at most 1.40 times the High Load Melt Index HLMI of the first polyolefin, as measured following the procedure of ISO 1133 condition G using a temperature of 190° C. and a load of 21.6 kg. The present invention also relates to processes for preparing said composition, and articles made therefrom.

72. 发明授权

US10858333B2 Single step lactide production process with separate entry for solvent 有权
公开(公告)号：US10858333B2
公开(公告)日：2020-12-08
申请号：US16309964
申请日：2017-06-20
申请人： Total Research & Technology Feluy
发明人： Mahdi Yazdanpanah , Jamal Chaouki , Pieter Van Wouwe , Bert Sels
IPC分类号： C07D319/12 , B01J19/18
摘要： The present invention relates to a process for synthesizing lactide, comprising the steps of: adding thermal energy to at least one solvent; providing one or more components to at least one reactor, the one or more components comprising lactic acid and the at least one solvent; converting at least part of the lactic acid into lactide and water; and recovering at least part of the lactide; wherein the step of adding thermal energy to the at least one solvent is performed prior to the step of adding the at least one solvent to the at least one reactor; wherein the at least one solvent is provided in the at least one reactor independently from the lactic acid by a separate entry into the at least one reactor; and, wherein the step of converting at least part of the lactic acid into lactide and water is performed in one step.

73. 发明申请

US20200291207A1 Improved Monovinlyaromatic Polymers Compositions Comprising High Viscosity Metallocene Catalyzed Poly-Alpha-Olefin Additives 审中-公开
公开(公告)号：US20200291207A1
公开(公告)日：2020-09-17
申请号：US16330450
申请日：2017-08-31
申请人： Total Research & Technology Feluy
发明人： Aurélien Vantomme , Serge Eon , Vinciane Jonnieaux , Armelle Sigwald
IPC分类号： C08L9/06 , C08L51/04
摘要： The invention relates to a composition comprising a rubber-modified monovinylaromatic polymer comprising: 70 wt % or more of a monovinylaromatic polymer matrix, from 2 to 12 wt % of at least one rubber, and from 0.1 to 3.4 wt % of metallocene-catalyzed poly-alpha-olefins (mPAO) all based on the total weight of the rubber-modified monovinylaromatic polymer, with the mPAO having a kinematic viscosity of at least 950 mm2/s at 40° C. and at most 2,000 mm2/s at 40° C. as measured according to ISO 3104. The invention also relates to articles made from such composition and to the process to produce said composition and said articles.

74. 发明授权

US10773250B2 Modified crystalline aluminosilicate for dehydration of alcohols 有权
公开(公告)号：US10773250B2
公开(公告)日：2020-09-15
申请号：US16680709
申请日：2019-11-12
申请人： Total Research & Technology Feluy , IFP Energies Nouvelles
发明人： Nikolai Nesterenko , Delphine Minoux , Nadiya Danilina , Jean-Pierre Dath , Vincent Coupard , Sylvie Maury
IPC分类号： B01J29/06 , B01J29/67 , B01J29/65 , B01J29/66 , B01J29/68 , B01J29/69 , B01J37/02 , C01B39/02 , C07C1/24 , B01J29/90 , B01J29/70 , C07C5/27 , B01J37/30 , C01B39/44 , B01J29/74
摘要： The present invention relates to a catalyst composition comprising a modified crystalline aluminosilicate of the Framework Type FER having Si/Al framework molar/ratio greater than 20 characterized in that in said modified crystalline aluminosilicate the ratio between the strong acid sites and the weak acid sites, S/W, is lower than 1.0 and having the extra framework aluminum (EFAL) content lowered to less than 10 wt % preferably 5 wt % even more preferably less than 2 wt % measured by 27Al MAS NMR. The present invention further relates to a process for producing olefins from alcohols in presence of said catalyst composition.

75. 发明授权

US10604456B2 Method for dehydrating alcohols into olefins comprising the recycling of alcohols 有权
公开(公告)号：US10604456B2
公开(公告)日：2020-03-31
申请号：US16134363
申请日：2018-09-18
申请人： TOTAL RESEARCH & TECHNOLOGY FELUY , IFP Energies nouvelles
发明人： Kirill Drobyshev , Vincent Coupard , Jean-Christophe Gabelle , Nikolai Nesterenko , Christophe Thille
IPC分类号： C07C1/24 , C07C7/04 , B01J29/65 , B01D3/14 , C07C5/27
摘要： This invention relates to a method for dehydration of alcohols into olefins comprising an improved step for recovery of unreacted alcohol.

76. 发明授权

US10544245B1 Process for preparing a polyethylene product 有权
公开(公告)号：US10544245B1
公开(公告)日：2020-01-28
申请号：US15741689
申请日：2016-07-13
申请人： Total Research & Technology Feluy
发明人： Aurélien Vantomme , Christopher Willocq
IPC分类号： C08F210/02 , B01J19/24 , C08F2/34 , C08F2/38
摘要： The present invention relates to a process for preparing a polyethylene product having a multimodal molecular weight distribution, said process comprising the steps of: (a) feeding ethylene monomer, a diluent, at least one metallocene catalyst, optionally hydrogen, and optionally one or more olefin co-monomers into a first slurry loop reactor; and polymerizing the ethylene monomer, and the optionally one or more olefin co-monomers, in the presence of said at least one metallocene catalyst, and optionally hydrogen, in said first slurry loop reactor thereby producing a first polyethylene fraction; (b) feeding the first polyethylene fraction to a second slurry loop reactor serially connected to the first slurry loop reactor, and in the second slurry loop reactor polymerizing ethylene, and optionally one or more olefin co-monomers, in the presence of the first polyethylene fraction, and optionally hydrogen, thereby producing a second polyethylene fraction; and (c) feeding the second polyethylene fraction to a gas phase reactor serially connected to the second slurry loop reactor, and in the gas phase reactor polymerizing ethylene, and optionally one or more olefin co-monomers, in the presence of the second polyethylene fraction, and optionally hydrogen, thereby producing the polyethylene product, wherein at least 25% by weight of the polyethylene product is prepared in the first slurry loop reactor.

77. 发明授权

US10538651B2 Rotomolded articles comprising at least one layer comprising a metallocene-catalyzed polyethylene resin 有权
公开(公告)号：US10538651B2
公开(公告)日：2020-01-21
申请号：US15525671
申请日：2015-11-10
申请人： Total Research & Technology Feluy
发明人： Aurélien Vantomme , Eric Maziers , Christopher Willocq
IPC分类号： C08L23/06 , B29C41/00 , B29C41/04 , B29K23/00 , B29L31/00
摘要： The present invention relates to a rotomolded article, comprising at least one layer, wherein said at least one layer comprising comprises at least one metallocene-catalyzed polyethylene resin comprising at least two metallocene-catalyzed polyethylene fractions A and B; and at least one ionomer;wherein the polyethylene resin comprises: at least 25% to at most 55% by weight of polyethylene fraction A based on the total weight of the polyethylene resin, wherein fraction A has a density at least 0.005 g/cm3 higher than the density of the polyethylene resin; and wherein the polyethylene resin has a density of at least 0.930 g/cm3 to at most 0.954 g/cm3 as measured according to ASTM D-1505 at 23° C.; a melt index MI2 of at least 1.0 g/10 min to at most 25.0 g/10 min as determined according to ISO 1133, condition D, at 190° C. and under a load of 2.16 kg. The present invention also relates to a process for preparing said rotomolded article.

78. 发明申请

US20200002244A1 Process for Converting Butanol into Propylene 审中-公开
公开(公告)号：US20200002244A1
公开(公告)日：2020-01-02
申请号：US16061632
申请日：2016-12-14
申请人： TOTAL RESEARCH & TECHNOLOGY FELUY
发明人： Nikolai Nesterenko , Walter Vermeiren , Delphine Minoux , Jean-Pierre Dath
IPC分类号： C07C1/22 , B01J23/44 , B01J23/89 , B01J21/08 , B01J37/02 , B01J37/08
摘要： Process for selective the conversion of primary C4 alcohol into propylene comprising: contacting a stream (1) containing essentially a primary C4 alcohol with at least one catalyst at a temperature ranging from 150° C. to 500° C. and at pressure ranging from 0.01 MPa to 10 MPa conditions effective to transform said primary C4 alcohol into an effluent stream (2, 5) containing essentially propylene, carbon monoxide and di-hydrogen, said transformation of primary C4 alcohol comprising at least a reaction of decarbonylation and optionally a decarboxylation reaction, said at least one catalyst comprising a support being a non-acidic i.e. having a TPD NH3 of less than 50 preferably less than 40 μmol/g and optionally a non-basic catalyst i.e. having a TPD CO2 of less than 100 preferably less than 50 μmol/g.

79. 发明授权

US10472300B2 Process for preparing olefins by dehydrating alcohols with less side effects comprising addition of sulfur containing compounds 有权
公开(公告)号：US10472300B2
公开(公告)日：2019-11-12
申请号：US15540327
申请日：2015-12-18
申请人： Total Research & Technology Feluy , IFP Energies Nouvelles
发明人： Delphine Minoux , Nikolai Nesterenko , Cindy Adam , Walter Vermeiren , Philip De Smedt , Jean-Pierre Dath , Vincent Coupard , Sylvie Maury , Nicolas Aribert
IPC分类号： C07C1/24 , B01J37/28 , B01J29/06 , B01J29/40
摘要： The present invention is a process for dehydrating an alcohol to prepare a corresponding olefin, comprising: (a) providing a composition (A) comprising at least an alcohol having at least 2 carbon atoms, optionally water, optionally an inert component, in a dehydration unit, (b) placing the composition (A) into contact with an acidic catalyst in a reaction zone of said dehydration unit at conditions effective to dehydrate at least a portion of the alcohol to make a corresponding olefin, (c) recovering from said dehydration unit an effluent (B) comprising: at least an olefin, water, undesired by-products including aldehydes and light products, optionally unconverted alcohol(s), optionally the inert component, wherein, said composition (A)—providing step (a) comprises adding an effective amount of one or more sulfur containing compound capable to reduce the undesired by-products by comparison with a non introduction of such sulfur containing compound. The component introduced at step (a) can be chosen from the group consisting of thiols, sulfides, disulfides.

80. 发明申请

US20190309155A1 Improved Expandable Vinyl Aromatic Polymers 审中-公开
公开(公告)号：US20190309155A1
公开(公告)日：2019-10-10
申请号：US16340720
申请日：2017-10-06
申请人： Total Research & Technology Feluy
发明人： Jean-Claude Deleye , Jacques Michel , Magali Vachaudez , Amelio Iacolina , Michel Cassart
IPC分类号： C08L25/08 , C08J9/00 , C08J9/14 , C08J9/18 , C08J9/232 , C08K3/04 , B29C44/34
摘要： The present invention is related to expandable vinyl aromatic polymers comprising comminuted coke, said comminuted coke having an average stack height (Lc) of carbon crystallites less than 4 nm, a volume median particle diameter (D50) comprised between 0.8 and 4 μm and being characterized by a span (D90−D10)/D50 below 2.5. Molded parts produced from the expandable vinyl aromatic polymers prove low thermal conductivities for a low foam density.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式