...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 |
| 8093343 | Nitric oxide-releasing diazeniumdiolated compounds The invention described herein provides for novel nitric oxide-releasing polymers that comprise at least two adjacent units derived from acrylonitrile monomer units and containing at least one carbon-bound diazeniumdiolate. The diazeniumdiolated acrylonitrile-derive... | 01/10/2012 |
| 7968664 | Nitric oxide-releasing diazeniumdiolated acrylonitrile-based polymers, and compositions, medical devices, and uses thereof The invention described herein provides for novel nitric oxide-releasing polymers that comprise at least two adjacent units derived from acrylonitrile monomer units and containing at least one carbon-bound diazeniumdiolate. The diazeniumdiolated acrylonitrile-derive... | 06/28/2011 |
| 7396884 | Hydrogenated nitrile butadiene rubber The present invention relates to a composition containing a hydrogenated nitrile-butadiene rubber (HNBR), a peroxide crosslinking system and a resorcinol-formaldehyde resin, to a process for the preparation of the composition, to the use of the composition as an adh... | 07/08/2008 |
| 7381781 | Process for the preparation of low molecular weight hydrogenated nitrile rubber The present invention relates to a process for the production of hydrogenated nitrile rubber polymers having lower molecular weights and narrower molecular weight distributions than those known in the art in the absence of a co-(olefin). ... | 06/03/2008 |
| 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 |
| 7338997 | Polymer for carbon fiber precursor There is provided a carbon fiber precursor polymer which is composed of a polymer comprising 50 wt % or greater of an acrylonitrile component, wherein the isotactic triad proportion of the acrylonitrile structural chain composed of the acrylonitrile component is 35 ... | 03/04/2008 |
| 7262244 | Polymer composites comprising low molecular weight nitrile rubber The present invention relates to polymer composites comprising at least one, optionally hydrogenated, nitrile rubber polymer having a Mooney viscosity (ML 1+4 @ 100° C.) below 30 at least one filler and optionally at least one cross-linking agent, a process for pre... | 08/28/2007 |
| 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 |
| 7247694 | PMI syrup phases and their use for stabilizing insoluble additives By using a high molecular weight syrup phase comprising PMMA or PMMI, it is possible to distribute fillers in the polymerization batch so that the distribution of the fillers remains homogeneous during the polymerization. A homogeneous foam results. ... | 07/24/2007 |
| 7235601 | Hydrogenated nitrile rubber compositions with improved processability The present invention relates to polymer composites containing at least one, optionally hydrogenated, nitrile rubber polymer having a Mooney viscosity (ML 1+4 @ 100° C.) in the range of from 50–30 at least one filler and optionally at least one cross-linking agen... | 06/26/2007 |
| 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 |
| 7220811 | Acrylic composition and a curable coating composition including the same An acrylic composition includes the reaction product of an acrylic polymer and carbon dioxide. The acrylic polymer includes the reaction product of a functionalized monomer, a first compound reactive with the functionalized monomer to form a functionalized intermedi... | 05/22/2007 |
| 7214451 | Rewriteable optical recording material having good solubility Polymeric material suitable for the preparation of optical recording media for volume data storage is disclosed. The molecular structure of the material contains a main chain derived from any of poly(meth)acrylate, poly(meth)acrylamide, polysiloxane, polyurea, polyu... | 05/08/2007 |
| 7144966 | Acrylic composition for use in coating applications and a method of forming the same An acrylic composition is formed by reacting a functionalized, chain-stopping monomer, a first compound, and a highly-branched, polyfunctional core molecule. The first compound includes vinyl functionality and at least one other functionality that is different from ... | 12/05/2006 |
| 7144963 | Catalytic polymerization process This invention relates to a process for controlling the architecture of copolymers of at least two unsaturated monomers, made by free-radical polymerization in the presence of a cobalt-containing chain transfer agent, including the control of molecular weight, degre... | 12/05/2006 |
| 7119158 | Cyclopentadienyl-containing low-valent early transition metal olefin polymerization catalysts A catalyst system useful to polymerize and co-polymerize polar and non-polar olefin monomers is formed by in situ reduction with a reducing agent of a catalyst precursor comprising {Cp*MRR′n}+{A}− wherein Cp* ... | 10/10/2006 |
| 7071270 | Method for obtaining polybutadiene-based aqueous dispersions The invention relates to a method for preparing butadiene-based aqueous dispersions in the presence of at least one azocarboxylic acid ester. ... | 07/04/2006 |
| 7060788 | Process for stripping monomers and other volatile constituents from polymer melts A process for stripping volatile constituents from polymer melts is disclosed. The process entails introducing the polymer melt into a horizontally oriented cylindrical device that contains a plurality of perforated disks rotating about a common horizontally oriente... | 06/13/2006 |
| 6943258 | Polymer compounds containing oxetane and cinnamyl functionality These compounds contain an oxetane functionality and a cinnamyl functionality. The oxetane functionality is homopolymerizable in reactions that can undergo cationic or anionic ring opening, and the cinnamyl functionality is polymerizable with compounds such as elect... | 09/13/2005 |
| 6936670 | Multifunctional alkoxyamines based on polyalkylpiperidines, polyalkylpiperazinones and polyalkylmorpholinones and their use as polymerization regulators/initiators The instant invention relates to multifunctional alkoxyamines based on polyalkylpiperidines, polyalkylpiperazinones and polyalkylmorpholinones and their use as polymerization regulatros/initiators. Further subjects of the invention are a polymerizable composition co... | 08/30/2005 |
| 6921746 | Multifunctional polymers, method for the production and use thereof Multifunctional polymers containing polymerized units of (a) α-Acyloxyacrylonitrile, α-haloacrylic acid, α-acyloxyacrylic ester and/or α-hydroxyacrylic acid, (b) monoethylenically unsaturated carboxylic acids, (c) vinyl est... | 07/26/2005 |
| 6914110 | Process for producing polymer having crosslinkable silyl group and curable composition A process for producing a crosslinkable silyl group-containing polymer which is excellent in oil resistance, heat resistance, weatherability, low staining properties, and compression set characteristics, includes the steps of radically polymerizing a vinyl monomer i... | 07/05/2005 |
| 6887962 | Processes based on atom (or group) transfer radical polymerization and novel (co)polymers having useful structures and properties Improved processes for atom (or group) transfer radical polymerization (ATRP) and novel polymers have been developed and are described. In certain embodiments, novel copolymers comprising a least one polymeric branch or polymeric block with a predominantly alternati... | 05/03/2005 |
| 6860971 | Process for recovery of olefinically unsaturated nitriles A process is described for the recovery of acrylonitrile from an ammoxidation reactor effluent stream containing acrylonitrile, water, and organic impurities. The process includes the steps of (a) quenching an ammoxidation reactor effluent stream that includes acryl... | 03/01/2005 |
| 6861486 | Catalyst for bulk polymerization A catalyst for bulk polymerization comprising an organometallic compound represented by specified formula and a thiol is provided. The specified organometallic compound is a metallocene compound such as titanocene or zirconocene. The use of this bulk polymerization ... | 03/01/2005 |
| 6841623 | Low molecular weight nitrile rubber The present invention relates to nitrile rubber polymers having lower molecular weights and narrower molecular weight distributions than those known in the art. The present invention also relates to a process for the manufacture of said nitrile rubber and the use of... | 01/11/2005 |
| 6822061 | Well cement additives, compositions and methods Improved well cement additives, compositions and methods of using the compositions are provided. The well cement additives are basically comprised of a first monomer selected from the group of 2-acrylamido-2-methylpropane sulfonic acid, 2-allyloxy-2-hydroxy-1-propan... | 11/23/2004 |
| 6777510 | Internal Lewis acid single site catalyst family for polymerization of polar monomers Rational combinatorial computational methods use accurate quantum mechanical and molecular modeling techniques to identify optimum polymerization catalysts for polar olefins. Using mechanistic information to model the polymerization reaction, the methods systematica... | 08/17/2004 |
| 6750293 | High-strength rubber formulations, and shear ply made from the same Disclosed are a precursor composition, a rubber component and a shear ply prepared from the precursor composition, and methods for making and using the same. The precursor composition includes a first hydrogenated nitrile conjugated-diene copolymer modified by a met... | 06/15/2004 |
| 6740723 | Branched polyolefin synthesis This invention relates to a process for the synthesis of addition polymers containing branches upon branches and having a polymerizable olefin end group by a convenient one-pot polymerization of selected vinyl monomers with chain polymerization initiators and a meth... | 05/25/2004 |
| 6713034 | Porous carbon electrode material, method for manufacturing the same, and carbon fiber paper The present invention provides carbon fiber paper consisting of an organic high-molecular compound as a binder and carbon fibers, characterized in that the carbon fibers contain thin fibers with an average diameter smaller than 5 μm and an average fiber length of 3... | 03/30/2004 |
| 6673879 | Use of diamines and alkanolamines to inhibit unsaturated monomer polymerization It has been discovered that the polymerization of unsaturated compounds, such as butadiene, may be inhibited by the addition of a diene and/or alkanolamine inhibitor. The inhibitor is believed to catalytically destroy peroxides present, such as hydrogen p... | 01/06/2004 |
| 6673881 | Process for the preparation of low molecular weight hydrogenated nitrile rubber A hydrogenated nitrile rubber having lower molecular weights and narrower molecular weight distributions than those known in the art can be prepared by the olefin metathesis of nitrile butadiene rubber, followed by hydrogenation of the resulting metathesi... | 01/06/2004 |
| 6667374 | Polymer flocculants with improved dewatering characteristics A high molecular weight water soluble acrylamide based polymer having improved flocculating and dewatering properties is provided. The polymer is prepared by a process in which a small quantity of a chain branching agent is added to the polymerization rea... | 12/23/2003 |
| 6660447 | Polymers, resist compositions and patterning process A polymer having fluorinated vinyl phenol units copolymerized with acrylonitrile units has high transmittance to VUV radiation. A resist composition using the polymer as a base resin has high sensitivity and resolution to high-energy radiation and good pl... | 12/09/2003 |
| 6649711 | Process for preparing vinylic polymers with catalyst system containing metal complex and Lewis acid A polymerisation process for the preparation of vinylic polymers from the corresponding vinylic monomers which process comprises the step of reacting a vinylic monomer in the presence of a catalyst system comprising a) a metal complex of general formula (... | 11/18/2003 |
| 6642337 | Stabilized cyanoacrylate adhesives The problem addressed by the invention was to find an anionic polymerization inhibitor for cyanoacrylate adhesives containing one or more cyanoacrylates, stabilizers against anionic and radical polymerization and auxiliaries typically used in such adhesiv... | 11/04/2003 |
| 6635727 | Ethylene copolymer rubber, process for producing the same, and use The ethylenic copolymer rubber according to the present invention is a novel and useful ethylenic copolymer rubber which can be cross-linked at a high velocity and is superior in scorching stability, in workability and in moldability, of which cross-linke... | 10/21/2003 |
| 6632895 | Functionalized alkoxyamine initiators The invention relates to a new process for the preparation of functionalized alkoxyamine initiators, new alkoxyamine initiators based on (meth)acrylate which are prepared by this process, and their use for the preparation of polymers.... | 10/14/2003 |
| 6624270 | Copolymers derived from vinyl dicyanoimidazoles and other monomers A copolymer comprising imidazole ring units having nitrogen at the 1 and 3 positions of the ring; a carbon at each of the 2, 4 and 5 positions of the ring; and radical substituents G1 and G2 carried at the 4 and 5 positions together with a non-imidazole m... | 09/23/2003 |