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| Number | Title | Issue Date |
| 8106138 | Random propylene copolymer compositions, articles and process The present disclosure is directed to random propylene/α-olefin compositions, articles, and processes for producing the same. The present compositions contain a random copolymer of propylene and α-olefin. Polymerization with an improved catalyst composition increa... | 01/31/2012 |
| 7985819 | Styrene-maleic anhydride copolymers for bioapplications and their preparation The present invention discloses styrene-maleic anhydride copolymers preparations using solventless techniques. The solventless method resulted in reduced amounts of residues, such as unreacted styrene and/or maleic anhydride monomers, which makes the copolymers part... | 07/26/2011 |
| 7888440 | Polymerization of acrylic polymers in reactive diluents The present process is directed to preparation of addition polymers in diluents that are subsequently reactive in coatings during cure, instead of in traditional hydrocarbon solvents. The polymers so prepared can be used as the main film-forming polymer in high soli... | 02/15/2011 |
| 7851572 | Polymers produced by using sulphur compounds in the form of transfer agents for controlled radical polymerisation of acrylic acid and the use thereof The invention concerns the polymers obtained by the use of sulphur compounds in a process for controlled radical polymerization in water of acrylic acid and/or acrylic acid with hydrosoluble monomers. It concerns also their uses as dispersant agents or agents to aid... | 12/14/2010 |
| 7759439 | Use of a combination chain transfer and activating agent to control molecular weight and optical density of Pd catalyzed norbornene polymers A method of controlling the molecular weight of poly(cyclic)olefin (norbornene-type) polymers and activating the polymerization thereof with a single material is provided. Such method include adding a chain transfer/activating agent to a mixture of monomer(s), catal... | 07/20/2010 |
| 7642325 | Non-sticky water-based conformal coating material A non-sticky water-based coating material in the form of a film applied to the face of a circuit board that is loaded with electronic parts; which comes into contact with the outside environment. The coating material can be formed into the film at room temperature w... | 01/05/2010 |
| 7491777 | Polymer dispersions having improved water-vapor barrier action, their production and use for food coating A decsription is given of an aqueous copolymer poly(vinyl ester) dispersion comprising A) 100 parts by weight of a copolymer derived from A1) from 34.9 to 95% by weight of vinyl esters of aliphatic, sat... | 02/17/2009 |
| 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 optical properties of the adhesive may be exploited to locate and/or remove... | 07/01/2008 |
| 7388103 | Cyclopentane carboxylate compounds, process and intermediates for preparing the same and use thereof The present invention discloses cyclopentane carboxylate compounds. The 1-hydrocarbyl-2-acyloxy-cyclopentane carboxylates according to the invention have a general formula (I): wherein groups R1, R2 an... | 06/17/2008 |
| 7371466 | Polymerisation initiators, polymerisable compositions, and uses thereof for bonding low surface energy substrates Quaternary boron salts are used as initiators of polymerisation in adhesive compositions for bonding low surface energy substrates such as polyolefins. The quaternary boron salts are of the formula I wherein R1 i... | 05/13/2008 |
| 7345126 | Production method of hydroxyl-containing polymer The present invention provides a production method of a hydroxyl-containing polymer including: protecting a hydroxyl group of a hydroxyl-containing monomer with a protecting group to make the monomer a protected monomer with decreased hydrophilicity; adding the prot... | 03/18/2008 |
| 7332553 | Functional monomers for molecular recognition and catalysis The present invention refers to new classes of polymerisable monomers, to molecularly imprinted polymers obtainable by polymerisation of at least one of the monomers and a crosslinking monomer in the presence of a template molecule. The obtained polymers may be used... | 02/19/2008 |
| 7314610 | Dental compositions having anti-stokes up converters and methods of use A dental composition can include at least one polymerizable resin and at least one anti-stokes up converter. Alternatively, a two-part composition can include at least one dental composition configured for placement onto a person's tooth, and at least one anti-stoke... | 01/01/2008 |
| 7300990 | Zwitterionic polymers Polymers may be made from zwitterionic monomers having controlled architectures and molecular weights, using living polymerisations such as group or atom transfer radical polymerisation. For instance polymers may be formed by atom transfer radical polymerisation usi... | 11/27/2007 |
| 7294680 | Method of producing conjugated diene polymers with narrow molecular weight distribution and polymer produced Conjugated diene polymers having good wear resistance, mechanical properties, storage stability, processability and a reduced cold flow are produced by polymerizing a conjugated diene compound with a catalyst of rare earth element compound, a compound containing at ... | 11/13/2007 |
| 7288614 | Substituted cycloalkanes, and use thereof as cationic polymerization initiators Substituted 7- to 12-membered cycloalkanes which have leaving groups, in particular chlorine atoms, on tertiary ring carbons, a process for preparing them and their use as initiators for cationic polymerization, in particular the cationic polymerization of isobutene... | 10/30/2007 |
| 7285610 | Synthesis method for polymers by controlled radical polymerisation with xanthates A polymer composition and method of preparing same is described wherein an ethylenically unsaturated monomer is contacted with a source of free radicals and a compound of formula (1A), (1B) and (1C) as defined herein. The polymer composition may be a homopolymer or ... | 10/23/2007 |
| 7267886 | Polymerisation initiators, polymerisable compositions, and uses thereof for bonding low surface energy substrates Quaternary boron salts are used as initiators of polymerisation in adhesive compositions for bonding low surface energy substrates such as polyolefins. The quaternary boron salts are of the formula I ... | 09/11/2007 |
| 7250479 | Polymerization with living characteristics This invention concerns a free radical polymerization process, selected chain transfer agents employed in the process and polymers made thereby, in which the process comprises preparing polymer of general Formula (A) and Formula (B) comprising contacting: (i) a mono... | 07/31/2007 |
| 7208557 | Functional monomers for molecular recognition and catalysis The present invention refers to new classes of polymerisable monomers, to molecularly imprinted polymers obtainable by polymerisation of at least one of the monomers and a crosslinking monomer in the presence of a template molecule. The obtained polymers may be used... | 04/24/2007 |
| 7189463 | Polymerisation initiators, polymerisable compositions, and uses thereof for bonding low surface energy substrates Quaternary boron salts are used as initiators of polymerisation in adhesive compositions for bonding low surface energy substrates such as polyolefins. The quaternary boron salts are of the formula I wherein R | 03/13/2007 |
| 7138465 | Polymer-modified resins Binders for coating materials that exhibit high flexibility and good hardness contain a polymer-modified resin, containing I) at least one polyester having a hydroxyl group or a carboxyl group or both, and II) at least one glycidyl-containing polyacrylate. The polye... | 11/21/2006 |
| 7101927 | Latex obtainable by a gradient regime reaction A latex having a reduced amount of 4-phenylcyclohexene is obtainable by reacting A) 30–90% by weight of at least one ethylenically unsaturated monomer; B) 70–10% by weight of a diene; C) 1–10% by weight of α,β-unsaturated carboxylic acids, carboxylic acid ni... | 09/05/2006 |
| 7098359 | Mesogens and methods for their synthesis and use New, efficient methods for making novel platform molecules and polymerizable mesogens are provided, as well as the novel mesogens and methods of using same. ... | 08/29/2006 |
| 7094851 | Low equivalent weight ionomer An ionomer and a process for forming the ionomer such that the ionomer has (1) low equivalent weight (below 950, preferably between 625 and 850, and most preferably between 675 and 800) and (2) high conductivity (greater than 0.13 S/cm). In another embodiment, the i... | 08/22/2006 |
| 7041409 | Low equivalent weight ionomer An ionomer and a process for forming the ionomer such that the ionomer has (1) low equivalent weight; below 950, preferably between 625 and 850, and most preferably between about 700 and about 800; and (2) high conductivity, (greater than 0.15 S/cm). In an alternati... | 05/09/2006 |
| 7022428 | Low equivalent weight ionomer An ionomer and a process for forming the ionomer such that the ionomer has (1) low equivalent weight; below 950, preferably between 625 and 850, and most preferably between about 700 and about 800; and (2) high conductivity, (greater than 0.15 S/cm). In an alternati... | 04/04/2006 |
| 6998111 | Storage stable polymerizable compositions A composition is adapted to be stored for at least 24 hours at between 0° C. to 40° C. and between 0 percent and 100 percent humidity. The composition includes from 0.2 to 5 percent by weight of a peroxide, from 0.2 to 3 percent by weight of a metal containing mat... | 02/14/2006 |
| 6951909 | Polymerizable system with a long work-life The present invention is directed to a polymerizable system. The polymerizable system comprises an organoborane, at least one polymerizable monomer, and a work-life extending agent. ... | 10/04/2005 |
| 6939932 | Initiator systems, polymerisable compositions, and uses thereof for bonding low surface energy substrates Use of an initiator system comprising: a combination of an organoborane and a polyaziridine, in a ratio of aziridine groups to boron atoms of greater than 1.3:1, as an initiator of polymerisation in an ad... | 09/06/2005 |
| 6913628 | Waterborne fabric and textile coating or treatment Novel waterborne vinyl copolymer dispersions useful as a fabric coating or treatment to improve the performance properties of textile products are disclosed and claimed. The compositions contain vinyl monomers, a vinyl silane and hydroxy fatty acid ester compounds h... | 07/05/2005 |
| 6911499 | Polymer composition and a method for producing the same The present invention relates to powdered, crosslinked polymer compositions, containing a) 55-99.9 wt.-% of at least one polymerized, ethylenically unsaturated, polymerizable monomer which contains acid groups neutralized to at least 25 mole-%, ... | 06/28/2005 |
| 6894093 | Materials free of endorine disruptive chemicals The present invention describes plastic materials and food additives that are free or substantially free from endocrine disruptive chemicals. The plastic materials may be used in products which are exposed to individuals in which endocrine disruptive activity is par... | 05/17/2005 |
| 6881803 | Method for producing copolymer of alkylvinyl ether and maleic anhydride, and copolymer of alkylvinyl ether and meleic anhydride In the first aspect of the present invention, there is disclosed a method for producing a copolymer of an alkyl vinyl ether and maleic anhydride which comprises removing an organic solvent used in a reaction under a temperature so that a slurry state can be maintain... | 04/19/2005 |
| 6861489 | Low equivalent weight ionomer An ionomer and a process for forming the ionomer such that the ionomer has (1) low equivalent weight; below 950, preferably between 625 and 850, and most preferably between about 700 and about 800; and (2) high conductivity, (greater than 0.15 S/cm). In an alternati... | 03/01/2005 |
| 6858690 | Process for polymerizing cationically polymerizable monomers The invention relates to a new catalyst system that improves the heat transfer capability of a butyl reactor slurry process system in the production of isobutylene-based polymers in continuous slurry polymerization processes. The process is carried out in an anhydro... | 02/22/2005 |
| 6852816 | Zwitterionic polymers Polymers may be made from zwitterionic monomers having controlled architectures and molecular weights, using living polymerisations such as group or atom transfer radical polymerisation. For instance polymers may be formed by atom transfer radical polymerisation usi... | 02/08/2005 |
| 6852778 | Anaerobically curable composition Anaerobically curable compositions comprising: (a) a polymerizable monomer having a functional group represented by the general formula: H2C=C(R)− (wherein R is a hydrogen atom or a methyl group) at a terminal of its molecule; (b) an organic peroxide; (... | 02/08/2005 |
| 6835789 | Cyanoacrylate compositions This invention relates to cyanoacrylate-containing compositions that include, in addition to the cyanoacrylate component, certain accelerators to improve fixture speeds on certain substrates. ... | 12/28/2004 |
| 6828401 | Preparation method of peg-maleimide derivatives The present invention relates to novel synthetic methods for PEG-maleimide derivatives, specifically, novel synthetic methods for PEG-maleimide. The final products thereof are useful as a pegylation reagent in the field of bioengineering and the medicinal field or t... | 12/07/2004 |
