Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 401 - 450 out of 7,331

Document Document Title
WO/2011/056423
This invention relates to Group 4 catalyst compounds containing di-anionic tridentate nitrogen/oxygen based ligands. The catalyst compounds are useful, with or without activators, to polymerize olefins, particularly α-olefms, or other u...  
WO/2011/056424
Group 4 catalyst compounds containing di-anionic tridentate nitrogen/oxygen based ligands are provided. The catalyst compounds are useful, with or without activators, to polymerize olefins, particularly α-olefms, or other unsaturated mo...  
WO/2011/056424
Group 4 catalyst compounds containing di-anionic tridentate nitrogen/oxygen based ligands are provided. The catalyst compounds are useful, with or without activators, to polymerize olefins, particularly α-olefms, or other unsaturated mo...  
WO/2011/056431
This invention relates to Group 4 catalyst compounds containing di-anionic tridentate nitrogen/oxygen based ligands. The catalyst compounds are useful, with or without activators, to polymerize olefins, particularly α-olefins, or other ...  
WO/2011/056423
This invention relates to Group 4 catalyst compounds containing di-anionic tridentate nitrogen/oxygen based ligands. The catalyst compounds are useful, with or without activators, to polymerize olefins, particularly α-olefms, or other u...  
WO/2011/045194
A propylene composition comprising (percent by weight): A) 60%-95%, of a crystalline propylene copolymer containing from 2.0% to 10.0% of ethylene derived units having a melting point ranging from 148°C to 160°C; wherein the melting te...  
WO/2011/043032
Disclosed are polypropylene resin expanded particles comprising a polypropylene resin which has at least two melting peaks in the DSC curve obtained by melting point determination using a differential scanning calorimeter and has the low...  
WO/2011/039152
Process for preparing an improved solid procatalyst of a Ziegler-Natta catalyst system comprising the following steps: a) reacting an metal alkyl with the formula (I) Al(R1)3, wherein each R1 independently represents an alkyl group of 1 ...  
WO/2011/039305
The present invention concerns a propylene polymer comprising at least two propylene polymer fractions of different melt flow index and a minor amount of at least one comonomer, said propylene polymer being further characterized by speci...  
WO/2011/035545
An initiator system for initiating cationic polymerization in aqueous reaction media, and a method for cationic polymerization of monomer initiated by the initiator system in aqueous reaction media are disclosed. The initiator system com...  
WO/2011/035545
An initiator system for initiating cationic polymerization in aqueous reaction media, and a method for cationic polymerization of monomer initiated by the initiator system in aqueous reaction media are disclosed. The initiator system com...  
WO/2011/035544
An iso-olefin polymer and its preparation method are disclosed. The method comprises the following steps: (1) forming a polymerization system including the following components: initiator system consisting of initiator, additive, Lewis a...  
WO/2011/025742
The instant invention provides rotational molded articles, and method of making the same. The rotational molded articles according to the present invention comprise a polyethylene composition comprising: (a) at least 85 percent by weight...  
WO/2011/025053
The present invention relates to a method for producing a high-molecular-weight copolymer of polar group- containing allyl monomers comprising monomer units represented by formulae (3) and (4) (in the formulae, R1 represents a hydrogen a...  
WO/2011/025053
The present invention relates to a method for producing a high-molecular-weight copolymer of monomer of formula (3) CH2=CHR1 and polar group- containing allyl monomers of formula (4) CH2=CH- CH2 -R2 (in the formulae, Rl represents a hydr...  
WO/2011/025053
The present invention relates to a method for producing a high-molecular-weight copolymer of monomer of formula (3) CH2=CHR1 and polar group- containing allyl monomers of formula (4) CH2=CH- CH2 -R2 (in the formulae, Rl represents a hydr...  
WO/2011/025784
The present invention generally relates to a catalyst and process for polymerizing an olefin and to a polyolefin prepared by the process.  
WO/2011/025053
The present invention relates to a method for producing a high-molecular-weight copolymer of monomer of formula (3) CH2=CHR1 and polar group- containing allyl monomers of formula (4) CH2=CH- CH2 -R2 (in the formulae, Rl represents a hydr...  
WO/2011/022373
A polymerization process for copolymerizing ethylene and a series of -olefins to form a branched polyethylene, in which the series of -olefins is generated in-situ by an ethylene oligomerization catalyst, is improved if the oligomerizati...  
WO/2011/020622
A novel polyethylene is devised which polyethylene is particularyl advantageous for manufacturing rotomoulded articles.  
WO/2011/020620
A novel polyethylene is devised which polyethylene is particularly advantageous for manufacturing rotomoulded articles  
WO/2011/020622
A novel polyethylene is devised which polyethylene is particularyl advantageous for manufacturing rotomoulded articles.  
WO/2011/021437
Disclosed is a rubber composition which contains a rubber component that has an olefinic double bond and an isobutylene polymer that has a structural unit represented by formula (1) and a structural unit represented by formula (2). (In f...  
WO/2011/020621
A novel polyethylene is devised which polyethylene is particularyl advantageous for manufacturing rotomoulded articles.  
WO/2011/019474
Provided are catalyst systems, processes for polymerizing one or more olefins, polymers resulting therefrom, and articles prepared from such polymers. The processes comprise contacting under polymerization conditions one or more olefin m...  
WO/2011/017092
A polymerization process includes contacting the following in a gas-phase reactor system under polymerization conditions for making a polymer product: a metallocene-based catalyst system including a supported constrained geometry catalys...  
WO/2011/012799
The present invention relates to olefin polymers having associative groups containing nitrogen heterocyclic compounds, to hot-melt adhesives including such polymers, and to method for producing same. Specifically, the invention relates t...  
WO/2011/008865
The present disclosure describes a polypropylene resin composition useful for the preparation of buried structures such as corrugated, non-pressure pipe.  
WO/2011/006776
A process for the preparation of 1-butene homopolymers or 1-butene/alpha olefin copolymers wherein the alpha olefins are selected from ethylene, propylene or alpha olefins of formula CH2=CHZ wherein Z is a C3-C20 alkyl radical, comprisin...  
WO/2011/004032
This invention discloses caps and closures produced by injection moulding with a bimodal high density polyethylene (HDPE) resin comprising a low molecular weight, high density polyethylene fraction substantially free of comonomer and a h...  
WO/2011/002199
The present invention relates to a method for producing an elastomer. In detail, the method for producing an elastomer according to the present invention comprises a step of polymerizing ethylene, propylene and, selectively, a diene mono...  
WO/2011/002986
New ethylene polymers having low levels of long chain branching are disclosed. Films and film layers made form these polymers have good hot tack strength over a wide range of temperatures, making them good materials for packaging applica...  
WO/2011/002199
The present invention relates to a method for producing an elastomer. In detail, the method for producing an elastomer according to the present invention comprises a step of polymerizing ethylene, propylene and, selectively, a diene mono...  
WO/2011/002831
A polymerization process to copolymerize hydrophobic ethylenically unsaturated C4-C28 olefins with polar monomers such as acrylates utilizing a polymeric support resin to stabilize the polymerization product in an aqueous media is descri...  
WO/2010/141557
A process is taught, comprising polymerizing ethylene in the presence of a catalyst to form a crystalline ethylene-based polymer having a crystallinity of at least 50% as determined by DSC Crystallinity in a first reactor or a first part...  
WO/2010/140745
The preparation method of polypropylene random copolymer is disclosed, which is achieved by a bimodal polymerization method using a 2-stage continuous gas reactors for copolymerizing propylene and alpha olefin as comonomer. The polypropy...  
WO/2010/137719
Disclosed is a resin composition for crosslinking/foam molding which comprises a resin ingredient, a blowing agent, and a crosslinking agent, wherein the resin ingredient is an ethylene/α-olefin copolymer that comprises monomer units ba...  
WO/2010/137734
Disclosed is an ethylene-α-olefin copolymer, comprising an ethylene-based monomer unit and a C3-20 α-olefin-based monomer unit, having a density (d) of 860-950 kg/m3, having a melt flow rate (MFR) of 0.01-100 g/10 min, showing a bimoda...  
WO/2010/137655
An isobutylene-based polymer which comprises a structural unit represented by formula (1) and another structural unit represented by formula (2). In formula (2), X represents a divalent group; Y represents a substituted or unsubstituted ...  
WO/2010/137740
An ethylene/α-olefin copolymer which comprises monomer units derived from ethylene and monomer units derived from an α-olefin having 3 to 20 carbon atoms and which has a density (d) of 860 to 950kg/m3, a melt flow rate (MFR) of 0.05 to...  
WO/2010/137732
Disclosed is an ethylene-α-olefin copolymer, comprising an ethylene-based monomer unit and a C3-20 α-olefin-based monomer unit, having a density (d) of 850-970 kg/m3, having a melt flow rate (MFR) of 0.01-100 g/10 min, showing a bimoda...  
WO/2010/134915
A thermoplastic elastomer (TPE) composition is provided which contains a blend of a hydrogenated styrenic block copolymer (SBC) having a number average molecular weight (Mn) greater than about 200,000 Daltons (Da), a polypropylene, a min...  
WO/2010/127988
The present invention relates to a process for preparing an activating support for metallocene complexes in the polymerisation of olefins comprising the steps of: I) providing a support consisting in particles formed from at least one po...  
WO/2010/129151
Extruded, copolymer pellet compositions and methods for making the same. A copolymer pellet composition can have an ethylene content of about 40 wt.% to about 50 wt.% and a propylene content of about 50 wt% to about 60 wt%, based on tota...  
WO/2010/129634
Systems and methods for monitoring a polymerization reactor are provided. The method can include estimating an acoustic condition of a polymer produced in a reactor. The method can also include estimating a stickiness control parameter o...  
WO/2010/126720
Provided are ethylene -based copolymers, methods of preparing the same, lubricating oil compositions including the same, methods for preparing such lubricating oil compositions, and end uses for such ethylene -based copolymers and lubric...  
WO/2010/125022
Ziegler-Natta catalyzed linear low density polyethylene which satisfies the following conditions: a) a density, according to ISO 1183, of from 900 to 925 kg/m3, b) a C4-C10-comonomer content, determined by Fourier transform infrared spec...  
WO/2010/125020
Multi-stage polymerization process for the production of a multi-modal linear low density polyethylene in at least two staged reactors connected in series comprising at least (i) polymerizing in a first slurry phase stage ethylene monome...  
WO/2010/125018
Ziegler-Natta catalyst composition capable of producing ethylene/alpha-olefins copolymers, particularly linear low density polyethylene; the composition having an improved stability of its behaviour during polymerization in respect to ti...  
WO/2010/117792
An interpolymer of ethylene and at least one alpha-olefin is claimed, wherein the ethylene interpolymer is characterized as having an average Mv and a valley temperature between the interpolymer and high crystalline fraction, Thc, such t...  

Matches 401 - 450 out of 7,331