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 |
| 7956147 | Preparation method of hollow particle Disclosed is a method of preparing hollow particles comprising polymerizing a hydrophobic monomer to form a particulate resin exhibiting a number average molecular weight of from 20,000 to 500,000, dispersing the particulate resin in an aqueous medium to form a resi... | 06/07/2011 |
| 7709587 | Eraser composition for de-flakes An eraser composition for de-flakes is disclosed. The composition comprises (i) a SEBS copolymer (styrene-ethylene-butylene-styrene) and SBS copolymer (styrene-butadiene-styrene) and TPE styrene, and the weight percentage being 10 to 35%; (ii) organic fillers of sod... | 05/04/2010 |
| 7671157 | Modification of polymers having aromatic groups through formation of boronic ester groups The C—H bond of pendant aromatic groups such as commercial polystyrenes with three types of tacticities (syndiotactic, isotactic, atactic) undergo catalyzed functionalization with boron reagents. A boronic ester group formed on the polymer in the polystyrene was f... | 03/02/2010 |
| 7514516 | Measurement and preparation of branched vinyl polymers Disclosed are novel non-linear vinyl polymers comprised of a multifunctional peroxide, and a cross-linking agent and/or a chain transfer agent, and methods of making such polymers having: at least 0.03 branches/1000 backbone carbons; linear portions with a molecular... | 04/07/2009 |
| 7470763 | Latex polymer particles containing fluorescent substance or contrast medium and process for producing the same This invention provides a method to effectively incorporate inorganic fluorescent substance or inorganic contrast medium into latex polymer particles which are used for diagnostic test or the like, and also provides thus produced fluorescent substance-containing lat... | 12/30/2008 |
| 7425601 | Polymers with new sequence distributions The invention relates to new polymerization processes including diluents including hydrofluorocarbons and their use to produce novel polymers with new sequence distributions. In particular, the invention relates to copolymers of an isoolefin, preferably isobutylene,... | 09/16/2008 |
| 7420012 | Rubber composition The rubber composition and the material suitable for preparing the rubber composition show high gas-barrier properties and being free from inhibition of vulcanization. The rubber composition is essentially composed of a rubber and a layered mineral filler treated wi... | 09/02/2008 |
| 7411027 | Modified diene-α-olefin copolymer and method for producing same A modified diene-α-olefin copolymer which is represented by the formula (1) below and has H2C═C(R5)—COO— in at least a part of the ends. wherein R1 and R2 independently rep... | 08/12/2008 |
| 7402626 | Top coat composition The present invention relates to a top coat composition, which is characterized in that it is applied to a photoresist top surface by using a polymer containing at least one structure represented by the formula [1], [2] or [3]. It is possible to produce a top coat c... | 07/22/2008 |
| 7399816 | Maleimidyl-containing material and production method thereof The invention provides a maleimidyl-containing material having a substituent group defined by the following structural formula (1) containing a maleimidyl group (maleimido group): wherein A denotes a spacer containing an am... | 07/15/2008 |
| 7396891 | Two-component coating composition and method of preparation Aqueous coating compositions containing (1) a first polymer containing reactive functional groups with a selected level of carboxylic acid functionality and (2) a polyfunctional crosslinker agent containing functional groups that are reactive with appropriate functi... | 07/08/2008 |
| 7393909 | Porous, molecularly imprinted polymer and a process for the preparation thereof A porous, molecularly imprinted polymer and a process for its preparation are described. The porous, molecularly imprinted polymer is characterized in that it is obtainable by providing a porous silica; attaching a molecular template to the surface of the porous sil... | 07/01/2008 |
| 7385009 | Process for the preparation of hydroxy-vinyl-aromatic polymers or copolymers by anionic or controlled radical polymerization The instant invention relates to a process for the preparation of hydroxy-vinyl-aromatic polymers in particular 4-hydroxystyrene polymers or copolymers by anionic or controlled radical polymerization of the respective monomer, wherein the hydroxy functionality is bl... | 06/10/2008 |
| 7375174 | Acrylic composition and a curable coating composition including the same An acrylic composition includes the reaction product of an acrylic polymer, a carboxylic acid compound, and an alkyl carbamate. The acrylic polymer includes the reaction product of a functionalized monomer, a first compound reactive with the functionalized monomer t... | 05/20/2008 |
| 7371805 | Hydrogenated copolymer and composition thereof A hydrogenated copolymer obtained by hydrogenating an unhydrogenated copolymer comprising conjugated diene monomer units and vinyl aromatic monomer units, the hydrogenated copolymer containing at least one hydrogenated copolymer block (B) which is obtained by hydrog... | 05/13/2008 |
| 7371804 | Monomers and polymers for optical elements Compositions comprising a matrix polymer and a mixture of monomers are used for making polymer mixtures containing the matrix polymer and a second polymer formed from the monomer mixture. Preferably, the matrix polymer comprises a polyester, polystyrene, polyacrylat... | 05/13/2008 |
| 7355089 | Compositions of ethylene/α-olefin multi-block interpolymer for elastic films and laminates This invention relates to polyolefin compositions. In particular, the invention pertains to elastic polymer compositions that can be more easily processed on cast film lines, extrusion lamination or coating lines due to improved resistance to draw resonance. The com... | 04/08/2008 |
| 7345128 | Peroxide curable butyl formulations The present invention relates to a peroxide curable rubber compound comprising at least one elastomeric polymer comprising repeating units derived from at least one C4 to C7 isomonoolefin monomer, at least one C4 to C14 mu... | 03/18/2008 |
| 7335714 | Sulfine control agents for synthesizing polymers The present invention is directed to sulfine control agents for synthesizing polymers via controlled free radical polymerization and to the polymers resulting therefrom. Such polymers include repeat units derived from the controlled free radical polymerization, part... | 02/26/2008 |
| 7335712 | Process of producing a siloxy-functionalized polymer This invention relates to siloxy-functionalized polymers having the silicon of the siloxy group directly bonded to the end of a polymer chain through one or more carbon atoms, processes of producing the polymers, and initiators used to prepare the polymers. The poly... | 02/26/2008 |
| 7323528 | Block copolymers containing functional groups The present invention provides a block copolymer of styrene and an unsaturated cyclic anhydride, such as maleic anhydride, a process for making a copolymer using controlled free radical polymerization in which certain parameters are adjusted to control the microstru... | 01/29/2008 |
| 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 |
| 7321016 | Method of producing styrene polymers using high speed catalytic dispersion technology Provided is a method of preparing styrene polymers, the method comprising: homogeneously mixing a styrene monomer; a cocatalyst mixture of Group 13 metal-containing organic metal compound cocatalyst and an inert organic solvent; and a catalyst mixture of a metalloce... | 01/22/2008 |
| 7319127 | Nano-sized metals or metal salts stabilized by using chain-end functionalized polymers and their synthetic methods Disclosed are nano-sized metals and metal salts stabilized by using semi-telechelic and telechelic polymers prepared through living anionic polymerization, and their synthetic methods, and a nanostructure wherein the nano-sized particles are self-assembled by mixing... | 01/15/2008 |
| 7319038 | Sensor for monitoring an analyte A food spoilage sensor of the general formula wherein M is a transition metal ion; D1, D2, D3 and D4 can be the same or different and can be N or P; R1 and R... | 01/15/2008 |
| 7317059 | Ligand immobilization support A polymer comprising a styrene-based monomer and t-butyl methacrylate, wherein a proportion of the styrene-based monomer in the polymer is 30% by mol to 90% by mol and the polymer has a functional group represented by the following formula (1) which includes a malei... | 01/08/2008 |
| 7307193 | Microencapsulated metal catalyst A microencapsulated Group VIII metal catalyst which is stable even in air, easy to recover, and reusable is disclosed. It comprises a polymer with side chains containing an aromatic substituent, and a metal catalyst comprising a Group VIII metal encapsulated in to t... | 12/11/2007 |
| 7302992 | Fugitive pattern for casting A fugitive pattern for making a shell mold for investment casting a metal or alloy comprises a substantially random interpolymer and a low molecular weight polymer in proportions to provide a fugitive pattern having a combination of properties suitable for use in ma... | 12/04/2007 |
| 7302991 | Fugitive pattern for casting A fugitive pattern for making a shell mold for investment casting a metal or alloy comprises a substantially random interpolymer and a low molecular weight polymer in proportions to provide a fugitive pattern having a combination of properties suitable for use in ma... | 12/04/2007 |
| 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 |
| 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 |
| 7288612 | Initiator composition and method for anionic polymerisation The invention relates to an initiator composition for anionic polymerization, comprising at least one alkali metal hydride selected from LiH, NaH, and KH, and at least one organylaluminum compound, and to a process for the anionic polymerization of styrene monomers ... | 10/30/2007 |
| 7285613 | Free-radical curable polyesters and methods for use thereof The invention is based on the discovery that certain polyester compounds bearing free-radical curable moieties are useful as b-stageable adhesives for the microelectonic packaging industry. ... | 10/23/2007 |
| 7264036 | Fugitive pattern for casting A fugitive pattern for making a shell mold for investment casting a metal or alloy comprises a substantially random interpolymer and a low molecular weight polymer in proportions to provide a fugitive pattern having a combination of properties suitable for use in ma... | 09/04/2007 |
| 7259219 | Low molecular weight copolymer of ethylene and vinyl aromatic monomer and uses thereof An article of manufacture comprises a copolymer of ethylene and vinyl aromatic monomer having a molecular weight of less than 15,000. Preferably, the copolymer is characterized by a backbone having a first and second terminal end group, the first terminal end group ... | 08/21/2007 |
| 7250480 | Acrylic composition and a curable coating composition including the same An acrylic composition includes the reaction product of an acrylic polymer, a carbamate having anhydride-reactive functionality and carbamate functionality, and a carboxylic acid anhydride that is reactive with the carbamate to form a carboxylic acid carbamate. The ... | 07/31/2007 |
| 7247366 | Masking material The object of the present invention is to provide a masking member which has good heat resistance and can be used repeatedly. To attain this object, the present invention provide a masking member made of a polymer alloy including one or more kinds of engineer... | 07/24/2007 |
| 7247688 | Method for synthesis of block polymers by controlled free radical polymerization The invention concerns a method for preparing a first generation polymer comprising a step which consists in free radical polymerization of a composition comprising: at least an ethylenically unsaturated monomer, a source of free radicals, at least a dithiophosphoro... | 07/24/2007 |
| 7244774 | Aqueous dispersion for inkjet recording An aqueous dispersion for inkjet recording containing colorant-containing water-insoluble vinyl polymer particles dispersed in water, wherein the water-insoluble vinyl polymer contains a constitutive unit derived from a styrenic macromer (a) which has a polymerizabl... | 07/17/2007 |
| 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 |
