Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 8178637 | Controlled polymerization The present invention discloses an emulsion polymerization process that comprises: (1) preparing an aqueous polymerization medium which is comprised of (a) at least one monomer, (b) a polymerization control agent, and an emulsifier, wherein the emulsifier is prepare... | 05/15/2012 |
| 7868109 | Curable resin composition A curable resin composition is provided which has an appropriate viscosity suitable for encapsulating a light-emitting device. The cured product of the curable resin composition has a refractive index equal to or larger than that of epoxy resins, is excellent in hea... | 01/11/2011 |
| 7772339 | Electrophoretic particles and production process thereof A process for producing electrophoretic particles containing core particles includes a step of forming the core particles by polymerization of a composition comprising a colorant, a first polymerizable monomer, a second polymerizable monomer having a functional grou... | 08/10/2010 |
| 7767775 | Controlled polymerization The present invention discloses an emulsion polymerization process that comprises: (1) preparing an aqueous polymerization medium which is comprised of (a) at least one monomer, (b) a polymerization control agent, and an emulsifier, wherein the emulsifier is prepare... | 08/03/2010 |
| 7671152 | Surfactantless synthesis of amphiphilic cationic block copolymers The present invention is directed to a method of producing an amphiphilic block copolymer, including the steps of: (1) preparing a first aqueous polymerization medium which is comprised of (a) 4-vinylpy... | 03/02/2010 |
| 7619050 | Alkoxyamines containing a radically polymerizable group The instant invention relates to novel alkoxyamine initiators/regulators containing an ethylenically unsaturated, radically polymerizable group. The compounds are useful for the preparation of complex polymeric architectures. Further aspects of the invention are a p... | 11/17/2009 |
| 7572869 | N-alkoxy-4,4-dioxy-polyalkyl-piperidine compounds, their corresponding n-oxides and controlled radical polymerization therewith The present invention relates to selected 1-alkoxy-2,2,6,6 tetramethyl piperidine, 1-alkoxy-2,2 diethyl-6,6 dimethyl piperidine and 1-alkoxy-2,6 diethyl-2,3,6 dimethyl piperidine derivatives which are substituted in the 4 position by two oxygen atoms forming an open... | 08/11/2009 |
| 7572868 | Composition and process for the controlled synthesis of block copolymers The present invention relates to a polymerizable composition comprising a) at least one ethylenically unsaturated monomer and b) at least one hydroxylamine of high molecular weight, preferably a long chain alkyl substituted hydroxylamine. Further aspects of the pres... | 08/11/2009 |
| 7452950 | Photochromic monomers, photochromic polymers based on the same, photochromic recording media comprising the photochromic polymers, and 3D read/write optical memory comprising the recording media Photochromic monomers and methods for preparing these photochromic monomers, photochromic polymers based on these photochromic monomers and methods for preparing these photochromic polymers, as well as the use of these photochromic polymers in a polymer binder as a ... | 11/18/2008 |
| 7423102 | Star polymer The present invention provides a star polymer which comprises a central core and three or more branches bonded to the central core, and has a weight average molecular weight of from 1,000 to 100,000, wherein at least one of the branches containing at least one repea... | 09/09/2008 |
| 7411009 | Cure accelerators for anaerobic curable compositions The present invention relates to new cure accelerators for anaerobic curable compositions. These anaerobic cure accelerators are generally sulfonimide derivatives and sulfonamide derivatives. ... | 08/12/2008 |
| 7402639 | 1-alkoxy-polyalkyl-piperidine derivatives and their use as polymerization regulators The present invention relates to 1-alkoxy-polyalkyl-peridine derivatives containing a structural element of formula (I) G1, G2, G3, G4 are independently C1-C6 | 07/22/2008 |
| 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 |
| 7388052 | Process for the preparation of block copolymers Process for the preparation of block copolymers, based on vinylaromatic monomers and monomers deriving from (meth)acrylic acid by means of radicalic polymerization which comprises polymerizing the monomers at a temperature higher than or equal to 120° C., in the pr... | 06/17/2008 |
| 7371783 | Alkali-soluble maleimide copolymer and liquid crystal display comprising the same Provided is an alkali-soluble maleimide-based copolymer which comprises, as essential constituents, 5 to 50% by mass of a maleimide monomer unit which is at least one unit selected from the group consisting of a N-cyclohexylmaleimide monomer unit, a N-benzylmaleimid... | 05/13/2008 |
| 7368525 | Polymeric alkoyamines prepared by atom transfer radical addition (ATRA) The instant invention pertains to polymeric alkoxyamines, which are prepared by atom transfer radical addition polymerization (ATRA). Further aspects of the invention are a process for their preparation and their use as light stabilizers, flame retardants and polyme... | 05/06/2008 |
| 7351770 | Ionic hydrophilic high molecular weight redox polymers for use in enzymatic electrochemical-based sensors Ionic hydrophilic high molecular weight redox polymers for use in enzymatic electrochemical-based sensors include a hydrophilic polymer (such as a hydrophilic polymer backbone) with ionic portions (e.g., cationic monomers incorporated in the hydrophilic polymer back... | 04/01/2008 |
| 7332609 | PEG-substituted pyridine ligands and related water-soluble catalysts Amphiphilic Group VIII metathesis catalysts, as can be used in a range of polymerization reactions and other chemical methodologies. ... | 02/19/2008 |
| 7323517 | Composition and process for enhancing controlled free radical polymerization The present invention relates to a composition and process for enhancing the controlled radical polymerization in the presence of nitroxyls and nitroxylethers by adding a chain transfer agent selected from the group consisting of mercaptanes, thioethers and disulfid... | 01/29/2008 |
| 7321017 | Amine containing catalyst system and methods of use thereof The present invention is directed to an amine containing catalyst system for synthesizing rubbery polymers, such as polybutadiene rubber and styrene-butadiene rubber, having a high trans microstructure. The catalyst system, in one embodiment, includes (a) an organol... | 01/22/2008 |
| 7312254 | High temperature stabilization of UV systems A composition comprising one or more radiation curable monomers and/or oligomers and one or heat stable composition comprising at least one radiation-curable alpha, beta-ethylenically unsaturated compound, at least one phenolic stabilizer, and at least one non-pheno... | 12/25/2007 |
| 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 |
| 7297751 | Photocontrolled photochromic electroluminescent and electroconductive polymers for photonics The invention relates to photochromic monomers based on benzothiophenes and a method for preparing them, and to photochromic polymers-polyazomethines that are reversibly photocontrollable due to the introduction of photochromic fragments from the class of dihetaryle... | 11/20/2007 |
| 7294742 | Ring-opened azlactone initiators for atom transfer radical polymerization Initiators for atom transfer radical polymerizations are described. The initiators have an azlactone or ring-opened azlactone moiety to provide telechelic (co)polymers. ... | 11/13/2007 |
| 7288585 | Acrylic dispersing agents in nanocomposites The instant invention discloses a composition, preferably a nanocomposite material, comprising (a) a synthetic polymer, (b) a filler such as for example a natural or synthetic phyllosilicate or a mixture of such phyllosilicates, preferably in nanoparticles, and (c) ... | 10/30/2007 |
| 7288613 | N-alkoxy-4,4-dioxy-polyalkyl-piperidine compounds, their corresponding N-oxides and controlled radical polymerization therewith The present invention relates to selected 1-alkoxy-2,2,6,6 tetramethyl piperidine, 1-alkoxy-2,2 diethyl-6,6 dimethyl piperidine and 1-alkoxy-2,6 diethyl-2,3,6 dimethyl piperidine derivatives which are substituted in the 4 position by two oxygen atoms forming an open... | 10/30/2007 |
| 7285581 | Processed pigments, pigment-dispersed solution, ink for ink jet, manufacturing method of processed pigments and manufacturing method of pigment-dispersed solution There is disclosed a processed pigment comprising a pigment having a dispersing agent adsorbed physically and/or chemically onto part of the surface of the pigment, and a cationic polymerizable compound bonded through a covalent bond to the surface of the pigment. P... | 10/23/2007 |
| 7282526 | Particle having an attached halide group and methods of making the same A modified particle or aggregate is disclosed wherein a particle has an attached group having the formula: wherein the substituents are defined in the disclosure. Modified particles with attached polymers are als... | 10/16/2007 |
| 7276184 | Surfactant assisted nanomaterial generation process A process for the preparation of nanoscale particulate material is described comprising: (i) combining one or more functional material to be precipitated as nanoscale particles and one or more surface active material in a compressed CO2 phase with a densi... | 10/02/2007 |
| 7262250 | Scorch-retardant composition The present invention relates to the prevention of scorching before crosslinking of a thermoplastic and/or elastomeric composition with peroxides or azo compounds. This is achieved by using a family of specific nitroxides as additive. ... | 08/28/2007 |
| 7259217 | Controlled-architecture polymers and use thereof as separation media Controlled architecture polymers made preferably with acrylamide type monomers are prepared in living-type or semi-living-type free radical polymerizations, with the architecture preferably being other than linear, such as star, branched, grafted or hyper-branched. ... | 08/21/2007 |
| 7247690 | Melt-fabricable tetrafluoroethylene/fluorinated vinyl ether copolymer prepared by suspension polymerization Melt-fabricable, tough copolymer of tetrafluoroethylene and fluorinated vinyl ether is produced in a suspension polymerization process by copolymerizing tetrafluoroethylene and fluorinated vinyl ether in a pressurized, agitated reaction vessel which contains aqueous... | 07/24/2007 |
| 7230063 | Functional trithiocarbonate RAFT agents The present invention is directed to a free radical control agent of the structural formula: wherein R1 is a divalent alkyl group of 1 to 12 carbon atoms, R2 and R3 are each indep... | 06/12/2007 |
| 7223525 | Process for generating a hard mask for the patterning of a layer A process for generating a hard mask for the patterning of a first layer includes applying a second layer, which includes carbon, to the first layer that is to be patterned. A third layer, which includes silicon and carbon, is spun onto the second layer and an organ... | 05/29/2007 |
| 7214726 | Methods of using two-part self-adhering dental compositions A method for providing a dental composition comprising providing a paste/paste two-part self-adhering dental composition comprising (a) at least one acidic compound containing at least one acidic moiety selected from the group consisting of | 05/08/2007 |
| 7205035 | Thermoset composition, method, and article A curable composition includes a functionalized poly(arylene ether), an alkenyl aromatic monomer, an acryloyl monomer, and a polymeric additive selected from polystyrene, poly(styrene-maleic anhydride), poly(styrene-methyl methacrylate), polybutene, poly(ethylene-bu... | 04/17/2007 |
| 7179870 | Method for the preparation of poly sg(a)-methylstyrene The invention relates to a process for the preparation of poly(α-methylstyrene) by anionic polymerization of the α-methylstyrene monomer, said process successively comprising the following stages: a) a stage of preparation of a solution comprising the... | 02/20/2007 |
| 7166651 | Two-part self-adhering dental compositions A shelf-stable two-part self-adhering dental composition and method. The composition comprises (a) at least one acidic compound containing at least one acidic moiety selected from the group consisting of | 01/23/2007 |
| 7160575 | Conducting polymer Measurement in the frequency range 3 mHz–106 Hz of the dielectric characteristics of emeraldine base polyaniline dissolved in 1-methyl-2-pyrrolidinone (NMP) and cast into bulk free-standing polymer films shows features similar to those reported by others and which... | 01/09/2007 |
| 7160966 | 2,2,6,6 Diethyl-dimethyl-1-alkoxy-piperidine compounds and their corresponding 1-oxides The present invention relates to selected 1-alkoxy-2,2 diethyl-6,6 dimethyl piperidine and 1-alkoxy-2,6 diethyl-2,3,6 trimethyl piperidine derivatives which are substituted in the 4 position by an oxygen or nitrogen atom; a polymerizable composition comprising a) at... | 01/09/2007 |
