Patents in Class 526/75

Matches 1 - 50 out of 517

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Match	Document	Document Title
1	7615600	Fluoropolymers and membranes prepared from such polymers, in particular for fuel cells and method for synthesizing such polymers Fluoropolymers comprising at least one repeat unit of formula (I): wherein: groups X and Y, identical or different, represent H or F; group Z represents F or a perfluorinated alkyl...
2	7592498	Metathesis catalysts The invention relates to polymeric transition metal catalysts, to processes for preparing them, to intermediates and also to the use of the transition metal catalysts as catalysts in organic...
3	7528201	Synthesis of silicoaluminophosphate molecular sieves In a method of synthesizing a silicoaluminophosphate molecular sieve comprising a CHA framework type material, an AEI framework type material, or a material comprising at least one intergrown phase...
4	7521526	Methods for preparing polymers from phenolic materials and compositions relating thereto A process for producing a stable polymer such as poly(hydroxystyrene) which comprises the decarboxylation of a corresponding phenolic in the presence of a non-amine basic catalyst and a polar...
5	7501478	Thermoprecipitating polymer containing enzyme specific ligands, process for the preparation thereof, and use thereof for the separation of enzymes The present invention provides novel thermoprecipitating polymers of formula 1 containing novel enzyme sensitive ligands of the formula 4, processes for the preparation thereof respectively, and to...
6	7470758	Polymerization catalysts for producing polymers with low levels of long chain branching This invention relates to catalyst compositions, methods, and polymers encompassing a Group 4 metallocene with bridging η 5 -cyclopentadienyl-type ligands, in combination with a cocatalyst and an...
7	7468415	Method for preparing glycidyloxystyrene monomers and polymers thereof It was found that glycidyloxystyrenes, including glycidyloxystyrene and substituted glycidyloxystyrene, can be synthesized from hydroxycinnamic acid or substituted hydroxycinnamic acids in a...
8	7427653	Catalyst components for the polymerization of olefins A catalyst component for olefin (co)polymerization, and in particular for the preparation of LLDPE, comprising Mg, Ti, halogen and an electron donor compound (ED) belonging to ethers, esters,...
9	7393468	Adhesive with differential optical properties and its application for substrate processing An adhesive adapted with particular optical properties, and its use to couple a substrate to a substrate holder during substrate processing are disclosed. After processing the substrate, the...
10	7365138	Pretreated and prepolymerized polyolefin catalyst, production thereof and method of use A method of modifying a Ziegler-Natta type polyolefin catalyst comprises contacting the Ziegler-Natta catalyst with olefin monomer to form a prepolymerized catalyst. The prepolymerized catalyst can...
11	7276565	Continuous miniemulsion polymerization process A process including: heating to a first polymerization temperature a first mixture including a free radical polymerizable monomer, a free radical initiator, and a stable free radical...
12	7273842	Colorants, dispersants and dispersions containing polymeric nanoparticles Colorants, dispersants, and dispersions are provided which include PNPs having a mean diameter in the range of from 1 to 50 nanometers, an acid value in the range of from 0 to 700 mg KOH/g PNP...
13	7247671	Aqueous crosslinkable coating compositions based on vinyl fluoropolymer Aqueous crosslinkable coating composition suitable for anti-graffiti and heavy duty applications comprising: (A) an aqueous polymer emulsion comprising at least one vinyl fluoropolymer which...
14	7163992	Methods for manufacturing a copolymer with a high yield by reacting a vinyl monomer and a macromonomer A process for producing a copolymer which comprises reacting a vinyl monomer with a macromonomer composition containing a macromonomer. The macromonomer composition is obtained by polymerizing at a...
15	7157533	Process of obtaining an isoprene-enriched FCC C5 fraction and selective polymerization of isoprene from said fraction A process is described for obtaining from an “FCC” initial C5 fraction which is enriched with isoprene and purified and usable for the selective polymerization of isoprene. A process is also...
16	7135544	Living olefin polymerization processes Processes for the living polymerization of olefin monomers with terminal carbon-carbon double bonds are disclosed. The processes employ initiators that include a metal atom and a ligand having two...
17	7078441	Organic porous material, process for manufacturing the same, and organic porous ion exchanger An organic porous material having a continuous pore structure, which comprises interconnected macropores and mesopores with a radius of 0.01 to 100 μm in the walls of the macropores, having a...
18	7067597	Process of making polypropylene from intermediate grade propylene This invention concerns using an intermediate grade propylene stream as feed to a polypropylene forming reaction system. The intermediate grade propylene stream is preferably recovered form the...
19	7045581	Method for carrying out polymerization reactions A method for carrying out homogenous polymerization reactions in a reactor, wherein monomers and/or prepolymers are fed (apportioned). In a first step, an initiator is optionally admixed with the...
20	7034095	Bicyclic conjugated diene polymer and bicyclic conjugated diene copolymer A bicyclic conjugated diene polymer obtained by polymerizing a monomer (M) comprising at least one kind of bicyclic conjugated diene monomer represented by formula (I), and a bicyclic conjugated...
21	7029822	Tertiary alcohol compounds having alicyclic structure Tertiary alcohol compounds of formula (1) are novel wherein R 1 and R 2 are C1–10 alkyl groups which may have halogen substituents, or R 1 and R 2 may form an aliphatic hydrocarbon ring, Y...
22	7005484	Polymerization method A method for making a polymer or oligomer comprising the steps of making a first monomer comprising a substituted aromatic or heteroaromatic group by providing an aromatic or heteroaromatic group...
23	6992153	Multi-stage process for the (CO) polymerization of olefins Multi-stage process for the polymerization of olefins CH 2 ═CHR, where R is hydrogen or a C 1 –C 10 alkyl, cycloalkyl or aryl radical, comprising: (I) a first polymerization stage carried out...
24	6992035	Metallocenes, polymerization catalyst systems, their preparation, and use Metallocene having two cyclic dienyl groups connected by a single carbon having an aryl substituent and a terminally unsaturated hydrocarbyl substituent, olefin polymerization catalyst systems...
25	6984702	Process for the preparation of functionalized polymer particles A process for the preparation of amine-functionalized vinyl polymer particles which process comprises suspension polymerizing aminostyrene together with at least one other vinylic monomer and...
26	6921798	Polymerization process Polymerization processes are disclosed for producing polyethylene having a target density and improved environmental stress resistance. Ethylene and optionally one or more α-olefin comonomers,...
27	6872789	Cross-linkable polymer composition The invention pertains to a polymer obtainable from the steps: polymerizing a mixture, that is substantially free or organic solvents, of ethylenically unsaturated monomers which consist for...
28	6858678	Continuous bulk polymerization and esterification process and compositions including the polymeric product A continuous bulk polymerization and esterification process includes continuously charging into a reaction zone at least one ethylenically unsaturated acid-functional monomer and at least one...
29	6846887	Polyolefin catalysts, production thereof and method of use A method of modifying a Ziegler-Natta type polyolefin catalyst comprises contacting the Ziegler-Natta catalyst with olefin monomer to form a prepolymerized catalyst. The prepolymerized catalyst can...
30	6825290	Process for the preparation of latices using block copolymers as surfactants A subject-matter of the present invention is a process for the preparation of a latex by radical aqueous emulsion polymerization in the presence of at least one ethylenically unsaturated monomer,...
31	6822056	Microgels and process for their preparation A process for preparing microgel(s) that uses a wide range of activatable prepolymers; in the process, a polymer composition of crosslinked component A and soluble components B and C is formed from...
32	6803462	Process for synthesizing functionalized styrene monomer This invention discloses a rubbery polymer which is comprised of repeat units that are derived from (1) at least one conjugated diolefin monomer, and (2) at least one functionalized monomer having...
33	6803447	Preparation of supramolecular polymers by copolymerization of monomers containing quadruple hydrogen bonding units with regular monomers The invention relates to the synthesis of polymers containing self-complementary quadruple hydrogen groups by copolymerizing monomers containing a quadruple hydrogen bonding group with one or more...
34	6767974	Process forming particles with functional groups A process including: heating to a first polymerization temperature a first mixture composed of a first free radical polymerizable monomer, a first free radical initiator, and a first stable free...
35	6765072	PROCESS FOR THE PREPARATION OF AQUEOUS DISPERSIONS OF LATEX PARTICLES HAVING A HETEROGENEOUS MORPHOLOGY, THE LATEX PARTICLES OBTAINABLE WITH THE PROCESS, THE DISPERSIONS AND REDISPERSIBLE POWDERS, AS WELL AS THE USE THEREOF The invention relates to a process for the preparation of aqueous dispersions of latex particles having a heterogeneous morphology by a semicontinuous emulsion polymerization, comprising the...
36	6677265	Process of producing self-supported catalysts The process features concurrent feeds into the liquid phase of a prepolymerization reaction mixture. These feeds are: a) separate continuous or substantially continuous feeds of (i) a...
37	6660812	Production of olefin derivatives Disclosed is a system of making an olefin derivative from a dilute olefin feed. Dilute olefin is sent to an olefin reaction unit to form an olefin derivative product. The olefin derivative product...
38	6653515	Synthesis of α, β, β-trifluorostyrene via in-situ formation of trifluorovinyl metal halide α,β,β-Trifluorostyrene and derivatives thereof synthesized in two steps from 1,1,1,2-tetrafluoroethylene. In the first step, 1,1,1,2-tetrafluoroethylene is reacted with a base, a metal salt such...
39	6653407	Process for preparing star shaped microgels from macromonomers with terminal ethylenic unsaturation The present invention is directed to a process for forming star shaped microgels which include a core of crosslinked polymer and multiplicity of substantially linear polymeric arms of macromonomers...
40	6610806	Living olefin polymerization processes Processes for the living polymerization of olefin monomers with terminal carbon-carbon double bonds are disclosed. The processes employ initiators that include a metal atom and a ligand having two...
41	6593399	Preparing conductive polymers in the presence of emulsion latexes A method for preparing an intrinsically conductive copolymer comprising preparing an emulsion latex in a medium; forming a mixture which comprises at least one cyclic heteroatom containing monomer,...
42	6583234	Process for preparing waterfastness additive Disclosed is a process which comprises (a) reacting allyl bromide with diethyl amine in a molar ratio of at least about 1 mole of allyl bromide per about 1.15 moles of diethyl amine and in a molar...
43	6579956	Method for producing a polymer by coordination polymerization A method for producing a polymer by coordination polymerization, comprising the steps of (a) reacting an unsaturated polar monomer having a functional group releasing a proton or a salt of the...
44	6579933	Process for producing aqueous solution of monoallylamine polymer A high-molecular-weight monoallylamine polymer aqueous solution containing a monoallylamine polymer having a weight average molecular weight of 20,000 to 180,000 is prepared by polymerizing a...
45	6559255	Controlled free radical emulsion and water-based polymerizations and seeded methodologies Nitroxides having an alpha-carbon atom with a destabilizing moiety are effective control agents for emulsion and water-based polymerizations, including the formation of block copolymers from a wide...
46	6538057	Protective colloid stabilized emulsion polymerization of ethylenically unsaturated monomers, and adhesive product thereof Adhesives comprising: a) from 5.0 to 95.0% by weight of an adhesive dispersion having a viscosity in the range from 2000 to 10,000 mpPa·s, which comprises (a1) an aqueous polymer dispersion which...
47	6492470	Thermosetting acrylic gel coat An invention is disclosed which pertains to components for gel coat compositions, a process for making such gel coat compositions, and a process for making gel coated articles. Low molecular weight...
48	6486272	Process for producing functional styrene copolymer A process for producing a styrenic copolymer having a functional group and a syndiotactic configuration is provided. The process comprises bringing a metal compound into interaction with a vinyl...
49	6479599	Catalyst system for high yield synthesis of polyolefins This invention relates to a supported metallocene catalyst system for the high yield synthesis of polyolefins, to methods of preparation of the catalyst system, to polymerization processes which...
50	6462152	Polymerization process A process for the polymerization of 1-olefins which comprises the steps of a) preparing a prepolymer-based catalyst by contacting one or more 1-olefins with a catalyst system, and b) contacting the...

Matches 1 - 50 out of 517

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