...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 |
| 7999050 | Process for production of polymer dispersions containing an acetoacetate moiety A method of making a composition comprising reacting, in a reactor, a non-halogenated acetoacetate group containing monomer, at least one additional monomer, and a base, wherein at least a portion of the base is fed to the reactor during reaction. Also, a compositio... | 08/16/2011 |
| 7312268 | Water-absorbent carboxyl-containing polymers with low monomer content A water absorbent polymer with reduced residual monomer content is prepared using silver ions and/or colloidal silver. ... | 12/25/2007 |
| 7291565 | Method and system for treating a substrate with a high pressure fluid using fluorosilicic acid A method and system is described for treating a substrate with a high pressure fluid, such as carbon dioxide in a supercritical state. A process chemistry is introduced to the high pressure fluid for treating the substrate surface. The process chemistry comprises fl... | 11/06/2007 |
| 7283304 | Antiglare film The antiglare film proposed by the present invention has a light-diffusing layer in which fine resin particles are dispersed in a clear resin phase, wherein the fine resin particles comprise at least spherical fine resin particles and bowl-shaped fine resin particle... | 10/16/2007 |
| 7282545 | Method for producing aqueous styrene-butadiene polymer dispersions III A process for preparing an aqueous styrene-butadiene polymer dispersion by free-radical aqueous emulsion polymerization of a monomer mixture M containing from 40 to 80% by weight of styrene as monomer M1, from 20 to 60% by weight of butadiene as monomer M2, and from... | 10/16/2007 |
| 7282547 | Method for producing aqueous styrene-butadiene polymer dispersions A process for preparing an aqueous styrene-butadiene polymer dispersion by free-radical aqueous emulsion polymerization of a monomer mixture M containing from 40 to 80% by weight of styrene as monomer M1, from 20 to 60% by weight of butadiene as monomer M2, and from... | 10/16/2007 |
| 7270184 | Method of well treatment The invention provides a method of well treatment comprising introducing into the matrix surrounding a hydrocarbon well bore hole an emulsion the discontinuous phase of which comprises a non-polymerizable, water or oil miscible liquid carrier, a polymerizable monome... | 09/18/2007 |
| 7196146 | Method for producing aqueous styrene-butadiene polymer dispersions II A process for preparing an aqueous styrene-butadiene polymer dispersion by free-radical aqueous emulsion polymerization of a monomer mixture M containing from 40 to 80% by weight of styrene as monomer M1, from 20 to 60% by weight of butadiene as monomer M2, and from... | 03/27/2007 |
| 7183345 | Superabsorbent carboxyl-containing polymers with odor control properties and method for preparation This invention relates to a water-absorbent, water insoluble polymer comprising silver complex ions. ... | 02/27/2007 |
| 7157598 | Method for producing an aqueous alkali acrylate solution A process prepares an aqueous alkali metal acrylate solution by distillatively removing acrylic acid from a mixture as vapors and taking up the vapors immediately from the gas phase into an aqueous alkali solution. ... | 01/02/2007 |
| 7101942 | Dental materials based on metal oxide clusters Dental material containing a cluster according to the general formula [(M1)a(M2)bOc(OH)d(OR)e(L-Sp-Z)f] (I) in which M1, M2, independently of each other, st... | 09/05/2006 |
| 7070696 | Process for flocculating suspensions A process of flocculating and dewatering an aqueous suspension of suspended solids comprising, introducing into the suspension, (a) substantially linear polymer, (b) structured polymer, characterised in that the polymers are introduced into the substrate sequentiall... | 07/04/2006 |
| 7067451 | Soluble magnesium complexes useful for the production of polyolefin catalysts and catalysts prepared therewith A method of forming a polyolefin catalyst component includes halogenating metal complexes. The metal complexes result from reacting a metal alkoxide with an alcohol-ether. A particular non-limiting example is a magnesium complex formed by reacting magnesium alkoxide... | 06/27/2006 |
| 7060422 | Method of supercritical processing of a workpiece An apparatus for supercritical processing and non-supercritical processing of a workpiece comprises a transfer module, a supercritical processing module, a non-supercritical processing module, and a robot. The transfer module includes an entrance. The supercritical ... | 06/13/2006 |
| 7044662 | Developing photoresist with supercritical fluid and developer An apparatus for developing a polymeric film without the need for a water rinse step is disclosed. An object having a surface supporting a polymeric film is placed onto a support region within a pressure chamber of the apparatus. A fluid and developer is introduced ... | 05/16/2006 |
| 7034085 | Method for polymerizing ethylenically unsaturated monomers by degenerative iodine transfer The invention pertains to a method for making a block or gradient final (co)polymer comprising a step of radically polymerizing a mixture of ethylenically unsaturated monomers in the presence of a) a radical precursor and b) an iodine atom-containing intermediate po... | 04/25/2006 |
| 7030199 | Method for producing water-soluble or water-swellable polymerizates with a very low residual monomer content, products produced according to this method and the use thereof The invention relates to a process for producing water-soluble or water-swellable polymer products from acrylic acid and/or acrylic acid derivatives partially or completely neutralized with nitrogen compounds and with exceedingly low levels of residual monomers, whi... | 04/18/2006 |
| 7005490 | Method for making methacrylate unit-containing low-polydispersity polymers The invention pertains to a method for making a methacrylate unit-containing polymer with polydispersity | 02/28/2006 |
| 7002044 | Catalysis by water-soluble organometallic complexes in water-in-densified fluid microemulsions A microemulsion containing water, a densified fluid, a surfactant, and an organometallic catalyst is used to catalyze chemical reactions. The organometallic catalyst preferably has substantial solubility in the water phase of the microemulsion. Separation of reactio... | 02/21/2006 |
| 6926012 | Method for supercritical processing of multiple workpieces An apparatus for supercritical processing of multiple workpieces comprises a transfer module, first and second supercritical processing modules, and a robot. The transfer module includes an entrance. The first and second supercritical processing modules are coupled ... | 08/09/2005 |
| 6914099 | Water absorbent resin particles of crosslinked carboxyl-containing polymers with low monomer content Superabsorbent polymers having reduced levels of residual monomer are produced using a peroxodisulfate salt. ... | 07/05/2005 |
| 6908609 | In vivo use of water absorbent polymers The subject invention is a method and material for removing fluid from the intestinal tract of a host and may be useful in treating animals or human patients suffering from fluid overload states. In one embodiment, the subject method involves ingesting an entericall... | 06/21/2005 |
| 6762248 | Suspension polymerizing epoxy group-containing acrylic resin An epoxy group-containing acrylic resin for a powder coating is prepared by suspension polymerization at a temperature of at least 80° C. and a pressure of at least 2 kg/cm2 with a vinyl monomer mixture comprising from 10-60% by weight of epoxy group-con... | 07/13/2004 |
| 6673861 | INVERSE LATICES SELF-INVERTIBLE WITH RESPECT TO WHITE MINERAL OILS, SQUALANE, HYDROGENATED POLYISOBUTENE, ISOHEXADECANE OR ISODODECANE AND COSMETIC, DEMOCOSMETIC, DERMOPHARMACEUTICAL OR PHARMACEUTICAL COMPOSITIONS COMPRISING THEM Composition comprising an oil phase, an aqueous phase, at least one emulsifying agent of water-in-oil (W/O) type and at least one emulsifying agent of oil-in-water (O/W) type in the form of a self-invertible inverse latex comprising from 20% to 70% by wei... | 01/06/2004 |
| 6667365 | Method for manufacturing polymer nano particle The present invention relates to a method of manufacturing polymer nano particle having two-photon absorption compound at its central portion. The method of manufacturing polymer nano particle comprises the steps of dispersing a monomer for forming polyme... | 12/23/2003 |
| 6646078 | Method of producing paraffin wax for aqueous dispersion polymerization of tetrafluoroethylene and method of producing a polytetrafluoroethylene using the same A method of producing a paraffin wax for aqueous dispersion polymerization of TFE which allows high speed aqueous dispersion polymerization of TFE with excellent polymerization behavior such as excellent dispersion stability and consistent production of P... | 11/11/2003 |
| 6605680 | Low color, aromatic modified C5 hydrocarbon resins Low color, aromatic modified C5 hydrocarbon resins are disclosed. The resins are predominantly an aromatic modified piperylene resin. The resins are useful as tackifiers in hot melt adhesives and hot melt pressure sensitive adhesives.... | 08/12/2003 |
| 6586546 | Process for manufacture of a copolymer of tetrafluoroethylene and perfluoro (alkyl vinyl ether) Aqueous copolymerization of TFE and PAVE in the presence of a small amount of terpene enables the manufacture of a more uniform melt-fabricable copolymer with a narrower molecular weight distribution. The copolymer exhibits improved flex life.... | 07/01/2003 |
| 6566549 | Continuous polymerization process and products therefrom A continuous process for oligomers which do not contain, as polymerized units, carboxylic acid-containing monomers and their salts, including the steps of: (1) forming a reaction mixture, substantially free of carboxylic acid-containing monomers and their... | 05/20/2003 |
| 6555640 | Process for producing metal-containing resin and composition thereof Process that is capable of synthesizing a metal-containing resin having a good antifouling property in a short period of time without having such problems associated with the synthesis as gelation. The process for producing a metal-containing resin by con... | 04/29/2003 |
| 6531557 | Modified polytetrafluoroethylene fine powder and method for the production of the same A modified polytetrafluoroethylene fine powder containing agglomerates of colloidal particles with an average particle size of from 0.05 to 0.5 μm which comprise a copolymer of tetrafluoroethylene and an olefin-monomer represented by X(CF2) | 03/11/2003 |
| 6509420 | Powder coating composition comprising epoxy group-containing acrylic resin An epoxy group-containing acrylic resin for a powder coating composition is a copolymer, having a weight-average molecular weight of 3000 to 20000, of a vinyl monomer mixture comprising 10 to 60% by weight of alkyl ester(s) of (meth)acrylic acid, 10 to 60... | 01/21/2003 |
| 6407186 | Method for producing low-molecular, highly reactive polyisobutylene A process for preparing low molecular weight, highly reactive polyisobutylene having an average molecular weight Mn of from 500 to 5000 Dalton and a terminal double bond content of more than 80 mol % by polymerization in the liquid phase of iso... | 06/18/2002 |
| 6340733 | Functionalized polymer, a method for producing same and curable compositions containing same The present invention describes a process for the making of a copolymer of the general formula (I) ##STR1## wherein A is a residue of at least one (meth)acrylate monomeric species, B is a residue of at least one monomeric species copolymerizable with A, R... | 01/22/2002 |
| 6238486 | Detectable cationic flocculant and method of using same in industrial food processes The invention provides novel cationic flocculant dispersion polymers that can be utilized in the methods disclosed herein. This invention also provides methods for detecting cationic flocculants wherein said flocculants may be made via a dispersion proces... | 05/29/2001 |
| 6191242 | Process for making high performance anionic polymeric flocculating agents Unsheared, water-soluble, branched, high molecular weight, anionic, polymeric flocculants are produced by polymerizing ethylenically unsaturated anionic, and optionally non-ionic, monomers and a branching agent in the presence of a chain-transfer agent. T... | 02/20/2001 |
| 6160061 | Process for preparing an aqueous emulsion with narrow droplet size distribution, the use of such an emulsion for preparing a polymer dispersion, and the recovery of polymer particles from such a dispersion A process for preparing an aqueous emulsion with a narrow droplet size distribution of an oily material comprising one or more highly water insoluble substances, wherein the oily material is homogenized in a hydrophilic phase in which the oily material is... | 12/12/2000 |
| 6075090 | Method of preparing a non-aqueous composite wax particle dispersion The present invention is a method of making a stable colloidal non-aqueous wax particle dispersion. The method includes the steps of forming a mixture of a first vinyl monomer of a polymerizable mono-alpha, beta-ethylenically unsaturated compound free of ... | 06/13/2000 |
| 5994419 | Preparation of rapidly dissolving/absorbing powders of hydrophilic/super absorbent (CO)polymers Rapidly dissolving/absorbing free-flowing powders of hydrophilic/superabsorbent (co)polymers, having irregular nonspherical morphology and a particle size distribution ranging from 100 μm to 800 μm, are prepared by (a) phase inversion (co)polymerizing s... | 11/30/1999 |
| 5925714 | Surfactant for self-inverting polyacrylmides Improved water soluble vinyl addition polymers for use as thickening and flocculating agents in water purification treatment, paper manufacture and waste water treatment are prepared using alkoxylated castor oil as an activation release agent. The release... | 07/20/1999 |