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...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 |
| 8163828 | Additive for polymers and process for preparation thereof The invention concerns a process for preparing an additive for polymers, the additive itself and the use of the additive for improving the surface properties of polymers. ... | 04/24/2012 |
| 8114513 | UV-curable undercoat A UV-curable undercoat that contains barium sulfate, production thereof, methods of coating substrates with the undercoat and the coated substrates. ... | 02/14/2012 |
| 8062988 | Process for the production of a catalyst preparation and use of the catalyst preparation A process is described for the production of a catalyst preparation, in which the catalyst containing at least one inorganic compound which is solid under standard conditions is comminuted by means of a dispersion unit into particles having a maximum average particl... | 11/22/2011 |
| 7820129 | Method for improving the durability of carbon or graphite electrodes by using Tio2—containing products The invention relates to a method for producing carbon or HV graphite electrodes, in which a carbon carrier is mixed with a hydrocarbon-containing binder, and the mixture is subjected to a coking process and/or graphitization process, and one or more synthetic titan... | 10/26/2010 |
| 7807605 | Process for the preparation of a TiO-containing catalyst or catalyst support which is stable to high temperatures A process for the preparation of a TiO2-containing catalyst or catalyst support which is stable to high temperatures is described. In this process an aqueous Ti-containing solution having a concentration of dissolved Ti ... | 10/05/2010 |
| 7776149 | Barium sulfate, process for its preparation, and its use Barium sulfate particles having an average particle diameter d50 of from 0.1 to 10 μm which are produced by precipitation can be dispersed better if they are covered with at least one organic additive. ... | 08/17/2010 |
| 7749320 | Method for producing inorganic solid substances in the form of fine coated particles and the use thereof A process for the production of finely particulate, inorganic solids by precipitation of the finely particulate inorganic solids from solution is described, in which the surface of the inorganic solids particles is covered (coated) with at least one additive, in whi... | 07/06/2010 |
| 7645334 | Barium sulfate The invention relates to a method for producing barium sulphate having an organically modified surface, barium sulphate produced according to said method and to the use thereof. ... | 01/12/2010 |
| 7501110 | Process for producing barium sulfate, barium sulfate and use thereof This patent describes the use of barium sulfate as filler for thermosetting and thermoplastic plastics, elastomers, sealants, adhesives, fillers, varnishes, paints, paper, glass and as substrate for colored pigment formulations as well as for single-layer or multila... | 03/10/2009 |
| 7341625 | Method for the production of coated, fine-particle, inorganic solids and use thereof Disclosed is a method for producing coated, fine-particle, inorganic solids, the surface of which is coated with fine inorganic solid particles containing at least two different organic additives. At least one of said additives contains a wetting agent, dispersing a... | 03/11/2008 |
| 7144561 | Method for the preparation of iron hydroxide, iron oxide hydrate or iron oxide from filter salts of dilute acid recovery Described is a method for the manufacture of iron hydroxide, iron oxide hydrate or iron oxide from filter salts from thin acid recovery, in which the filter salts are dissolved in water, the solution is adjusted to a pH of | 12/05/2006 |
| 7008978 | Method for adding inorganic additives to finished polymer melts A process is described for the modification of polymer melts by means of finely divided inorganic solid particles (melt modification process), in which a powdery additive which contains the inorganic solid particles with a maximum particle size of 1 μm embedded in ... | 03/07/2006 |
| 6660673 | Use of particulate materials containing TiO2 in refractory products In order to reduce wear on refractory linings due to corrosion and the infiltration of slags and molten metals, particulate materials containing TiO2 are added to the refractory products consisting of a mixture of aggregates and binding agents.... | 12/09/2003 |
| 6660243 | Titanium dioxide methods of production The bodies are prepared either by pelleting of a pasty mixture of titanium dioxide powder and titanium dioxide sol and/or 1-20% nitric acid, followed by dehydration and calcination at a temperature of between 400 and 1000° C. for between 0.5 and 3.5 hour... | 12/09/2003 |
| 6635694 | Preparation agents A processing aid for further processing in synthetic polymers comprising finely divided, inorganic pigments and/or fillers. Such processing aids can homogeneously be dispersed with little effort when the same are embedded in an organic substance.... | 10/21/2003 |
| 6605147 | Use of surface-coated rutile modification TiO2 pigments as an anticorrosive white pigment The use of surface-coated rutile modification TiO2 pigments having a primary particle grain size d50 of 0.1 to 1.0 μm as an anticorrosive white pigment, with firstly magnesium phosphate and secondly aluminum oxides and/or aluminum h... | 08/12/2003 |
| 5656716 | Titanium-containing catalyst and process for the production of polyester The present invention comprises a new catalyst for the production of polyesters consisting essentially of a finely dispersed, large surface area titanium compound selected from hydrated TiO2 obtained by hydrolysis and having the composition yTi... | 08/12/1997 |
