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| Number | Title | Issue Date |
| 7414101 | Polymerization processes The invention provides for a process to produce polymers utilizing a hydrofluorocarbon diluent. ... | 08/19/2008 |
| 7399814 | Living radical polymerization method A highly active and environment-friendly catalyst for use in a living radical polymerization is provided. A catalyst for use in a living radical polymerization method is provided. The catalyst comprises a central element, which is selected from germanium, tin... | 07/15/2008 |
| 7279234 | Methods for identity verification using transparent luminescent polymers Disclosed are methods of using a transparent, luminescent polymer for transparent marking and/or labeling for identity verification purposes. Also disclosed are sheets, films, markers, labels and taggants comprising transparent, luminescent polymers. Also disclosed ... | 10/09/2007 |
| 7271203 | Crosslinking of photoiniator-initialized polyacrylates A process for increasing the molecular weight of polyacrylates, characterized in that polyacrylates which are functionalized at least on one part of their chain ends by photoinitiator groups X are exposed to actinic radiation, so that a direct linking reaction of th... | 09/18/2007 |
| 7247596 | Stabilized organoborane polymerization initiators and polymerizable compositions The invention is polymerizable compositions comprising in one part an organoboron compound capable of forming a free radical generating species and a stabilizing amount of one or more compounds comprising a dihydrocarbyl hydroxyl amine, an alicyclic hydroxyl amine, ... | 07/24/2007 |
| 7232872 | Polymerization processes The invention provides for a process to produce polymers utilizing a hydrofluorocarbon diluent. ... | 06/19/2007 |
| 7157399 | Amine organoborane complex initiated polymerizable compositions containing siloxane polymerizable components In one embodiment the invention is a polymerizable composition comprising a) an organoborane amine complex; b) one or more of monomers, oligomers or polymers having olefinic unsaturation which is capable of polymerization by free radical polymerization; c) one or mo... | 01/02/2007 |
| 7109279 | Polymerization method in pores of porous metal complex There is provided a method for producing a polymer, which is characterized by polymerizing or copolymerizing an organic compound monomer or monomers accommodated in pores of a porous metal complex. ... | 09/19/2006 |
| 7084237 | Use of stannylenes and germylenes as polymerization catalysts for heterocycles The use of stannylenes and germylenes of general formula (I) wherein: M represents a tin or geranium atom; L1 and L2 independently represent a group of formula: -E14(R14) (R′14) (R″14), -E15 | 08/01/2006 |
| 7071269 | Acrylic PSAs with narrow molecular weight distribution A process for preparing acrylic pressure sensitive adhesives by means of radical polymerization of a monomer mixture to give a polyacrylate, wherein said polymerization is carried out with an initiator system comprising at least one triazolinyl compound of the gener... | 07/04/2006 |
| 7067594 | Functionalized isobutylene-polyene copolymers and derivatives thereof A carboxylic derivative composition derived from a carboxylated isobutylene-polyene copolymer having n ranging from about 200 to about 10,000, said copolymer having thereon from about 0.8 to about 7 moles per mole of copolymer of groups derived from at least one α,... | 06/27/2006 |
| 7067581 | Repulpable PSAs The invention relates to a repulpable pressure-sensitive adhesive. Provision is made for the repulpable pressure-sensitive adhesive to comprise at least one polyacrylate-based block copolymer. ... | 06/27/2006 |
| 6974853 | Acrylate contact adhesive materials having tight molecular weight distribution An initiator system for radical polymerization, which comprises a combination of compounds of the formulae: ... | 12/13/2005 |
| 6958186 | Double sided adhesive tape An adhesive tape comprising at least a three-layer product structure having the following layers A, B, and C with the layer sequence ABC: Layer A: heat activatable adhesive having a characteristic activation temperature TA | 10/25/2005 |
| 6949603 | Amine organoborane complex initiated polymerizable compositions containing siloxane polymerizable components In one embodiment the invention is a polymerizable composition comprising a) an organoborane amine complex; b) one or more of monomers, oligomers or polymers having olefinic unsaturation which is capable of polymerization by free radical polymerization; c) one or mo... | 09/27/2005 |
| 6936672 | Mold addition polymerization of norbornene-type monomers using group 10 metal complexes A catalyst system and a process for the bulk addition polymerization or of polycyclic olefins, such as norbornene, methylnorbornene, ethylnorbornene, butylnorbornene or hexylnorbornene, 1,2,3,4,4a,5,8,8a-octahydro-1,4:5,8-dimethanonapthalene, 5,5′-(1... | 08/30/2005 |
| 6861484 | Amphipathic polymer particles and methods of manufacturing the same The invention is directed to amphipathic polymeric particles that serve as both the dispersant and the binder in water based inks, ink compositions containing these particles, and methods for making the particles. The polymeric particles contain both hydrophilic and... | 03/01/2005 |
| 6803429 | Selective ring-opening cross-metathesis of cycloolefins A catalytic method is provided for a ring-opening cross-metathesis reaction between a cycloolefinic substrate and a second olefinic reactant, wherein the catalyst used is a transition metal alkylidene complex substituted with an N-heterocyclic carbene ligand. The su... | 10/12/2004 |
| 6696519 | Redox process for preparing emulsion polymer having low residual monomer content A process for preparing an aqueous emulsion polymer including providing at least one ethylenically unsaturated monomer and a free radical redox initiator system under emulsion polymerization conditions, the redox initiator system including a water-soluble... | 02/24/2004 |
| 6624265 | Ruthenium metal alkylidene complexes coordinated with triazolylidene ligands that exhibit high olefin metathesis activity The invention discloses ruthenium alkylidene complexes of the type (PCy3)(L)Cl2 Ru(CHPh), where L is a triazolylidene ligand of the general formula: ##STR1## These catalysts have been found to be considerably more active for olefin ... | 09/23/2003 |
| 6620898 | Production of polyisobutylene copolymers The invention relates to a new improved catalyst to produce random copolymers of one or more iso-olefin monomers and one or more para-alkylstyrene monomers. The invention also relates to an improved continuous slurry polymerization process to produce rand... | 09/16/2003 |
| 6559326 | Substituted phosphinophenoxide-metal complexes for the polymerization of olefins Metal complexes obtainable from a metal precursor of a metal of the 6th -10th groups of the Periodic Table in the oxidation state 0 or +2 and a ligand of the formula I, ##STR1## where the radicals are defined as follows: R1 | 05/06/2003 |
| 6506920 | Polymerization of olefins Olefins such as ethylene and propylene may be polymerized by using as catalysts novel selected transition metal complexes of bis(carboximidamidatonates) in which the carboximidamidatonate groups are connected together through covalent bonds by a bridging ... | 01/14/2003 |
| 6331596 | Method of preparing carbamate-functional polymers A method of preparing a carbamate-functional polymer comprising the steps of providing a hydroxy-functional polymer and reacting a carbamate compound with the hydroxy-functional polymer in the presence of a transcarbamation catalyst, thereby forming a car... | 12/18/2001 |
| 6291612 | Process for preparing vinyl polymer A vinyl polymer having a controlled molecular weight and narrow molecular weight distribution is prepared by polymerizing a vinyl monomer using an organic halide polymerization initiator in the presence of a cuprous compound catalyst in a solvent containi... | 09/18/2001 |
| 6214945 | Process for producing high molecular weight monovinylidene aromatic polymers and polymodal compositions The present invention is an improved process for producing high molecular weight monovinylidene aromatic polymers and polymodal compositions by free radical polymerization of a vinyl aromatic monomer in the presence of a vinyl acid, wherein the improvemen... | 04/10/2001 |
| 6121371 | Application of atom transfer radical polymerization to water-borne polymerization systems A process is provided for the preparation of (co)polymer emulsions or suspensions from a full range of free radically (co)polymerizable monomers, wherein the (co)polymers exhibit the characteristics of "living" polymerization, including one or more of pre... | 09/19/2000 |
| 6008307 | Process for producing olefin polymers using cationic catalysts A cationic catalyst composition comprising a reactive cation and a compatible non-coordinating anion used at a temperature of 20° C. or less to produce olefin polymers, particularly polyisobutylene is disclosed.... | 12/28/1999 |
| 5962608 | Polymers made with metal oxide sols In one embodiment, the present invention relates to a polymer prepared from a mixture containing a polymerization material and a polycondensation product of a partially hydrolyzed chelated metal oxide precursor. In another embodiment, the present inventio... | 10/05/1999 |
| 5856415 | Optically transparent metal-containing polymers A method for producing a metal-containing transparent polymer by the reaction of a metal carboxylate, with a clear setting resin system comprising a thermosetting resin and a curing agent. The reaction occurs in a temperature in the range of from about 0Â... | 01/05/1999 |
| 5854364 | Process for the controlled radical polymerization or copolymerization of (meth)acrylic, vinyl, vinylidene and diene monomers, and (co)polymers obtained At least one of the monomers is polymerized or copolymerized in bulk, solution, emulsion or suspension, at a temperature which may be as low as 0° C., in the presence of at least one radical-generator compound and at least one metal complex catalyst of f... | 12/29/1998 |
| 5744560 | Metal accelerated polymerization processes A free radical polymerization process for the preparation of a polymer comprising heating a mixture of a free radical initiator, a stable free radical agent, a metal catalyst, or a metal stable free radical complex catalyst, and at least one polymerizable... | 04/28/1998 |
| 5721331 | Isobutylene-based polymer and process of producing the same An isobutylene-based polymer as a polymer of cationically polymerizable monomers principally composed of isobutylene or a combination of isobutylene and a styrene-series monomer, generates a molded article with outstanding properties, the isobutylene-base... | 02/24/1998 |
| 5712321 | Dual-curing coating formulation and method The polymerizable acrylate formulation, and method utilizing the same, employ a catalyst system that includes a tertiary aromatic amine compound and an air-curing polyether-ene polymer, in a specified ratio, in combination with an acid ingredient and a tr... | 01/27/1998 |
| 5597858 | Hydrophobically associating dispersants used in forming polymer dispersions An improved process for the preparing a dispersions of water soluble cationic polymers in an aqueous salt solution is disclosed. The improvement comprises using as a polymeric dispersion stabilizer a water soluble hydrophobically associating copolymer of ... | 01/28/1997 |
| 5567785 | Suspension polymers based on acrylates and methacrylates Polymers that can be obtained by suspension polymerization of 50 to 100% by weight of at least one compound selected from the group comprising C1 -C18 -alkyl esters of acrylic acid and methacrylic acid, and 0 to 50% by weight of furt... | 10/22/1996 |
| 5567788 | Liquid resin-forming composition and two-package system for providing the composition A liquid resin-forming composition contains a polyether-ene such as a polyallyl glycidyl ether, a free radical-polymerizable monomer such as an acrylate ester, a free radical initiator such as an organic peroxide and/or an organic hydroperoxide and a prom... | 10/22/1996 |
| 5475069 | Polymerization of vinyl ethers Process for the polymerization of selected vinyl ethers catalyzed by yttrium or rare earth metal perfluoroalkylsulfonates. A preferred perfluoroalkylsulfonate anion is triflate (trifluoromethanesulfonate). The resulting polymers are useful as tackifiers i... | 12/12/1995 |
| 5418303 | Carbocationic catalysts and process for using said catalysts A carbocationic catalyst composition comprising an initiator of water, a tertiary alkyl or aralkyl halide, ester, ether, carboxylic acid, acid halide or a polymeric halide and a co-initiator of an alkoxy metal halide, is used to produce narrow molecular w... | 05/23/1995 |
| 5407973 | Dental cold-polymerizing resin composition In a powder-liquid type of dental cold-polymerizing resin composition, the powder component comprises a specific polymer such as polymethylmethacrylate containing a pyrimidinetrione derivative and an organometallic compound mixed at a specific proportion,... | 04/18/1995 |
