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 |
| 7090869 | Method for producing preparation containing bioactive substance A method for producing a preparation containing a bioactive substance, characterized in that it comprises forming a solid material containing the bioactive substance and a polymer, and contacting the solid material with a high pressure gas. The method allows the pro... | 08/15/2006 |
| 7052553 | Wet cleaning of electrostatic chucks A non-destructive and simple method for cleaning a new or used electrostatic chuck comprises a wet cleaning process, which removes contaminants deposited on a surface of the electrostatic chuck. ... | 05/30/2006 |
| 6962007 | Method and device for drying substrate A device for drying substrates which stores a plurality of substrate (1) and which comprises a processing container (3) to which cleaning fluid (2) after cleaning the substrates (1) is drained and an injection nozzle (5) for inject... | 11/08/2005 |
| 6928746 | Drying resist with a solvent bath and supercritical CO2 A method for drying an object, having a polymeric film, wherein the object is submerged in a rinse liquid. The object is removed from the rinse liquid and the object is placed in a solvent bath before a sufficient amount of the rinse liquid can evaporate from the ob... | 08/16/2005 |
| 6408536 | Process for drying protein crystals The present invention relates to a process for drying protein crystals starting from an aqueous protein crystal suspension, which comprises drying the protein crystal suspension in a centrifugal dryer, where the protein crystals, after they have been filt... | 06/25/2002 |
| 6294194 | Method for extraction and reaction using supercritical fluids Methods for removing soluble material from confined spaces within substrates such as containers, capsules and porous powders comprising extraction with supercritical fluids, the pressure of which is preferably modulated between an upper level and a lower ... | 09/25/2001 |
| 6228394 | Supercritical fluid extraction of mould lubricant from hard shell capsules Hard shelled capsules and dry, powdered pharmaceutical formulations are treated with supercritical fluids to remove impurities such as mold lubricants and moisture.... | 05/08/2001 |
| 6114475 | Reactor drying by addition of compound that lowers boiling point of water There is provided a process for drying a fluidized reactor system comprising introducing a boiling point depressing agent into said system optionally while heating said system.... | 09/05/2000 |
| 5653045 | Method and apparatus for drying parts and microelectronic components using sonic created mist An apparatus and method for drying single or multiple parts or objects wherein the apparatus uses a drying chamber for containing said object or objects, said drying chamber having a closeable entryway for providing access to said drying chamber, the use ... | 08/05/1997 |
| 5287632 | Supercritical fluid and near critical gas extraction of organic solvents from formed articles Disclosed is a method of removing residual organic solvents from formed compressed articles such as tablets comprised of subjecting the organic solvent laden compressed article to a supercritical fluid or near critical gas whereby residual solvent is tran... | 02/22/1994 |
| 4843733 | Process for drying water-wet polycarbonate membranes The invention is a process for drying water-wet polycarbonate membranes by contacting the membrane with a pretreatment fluid containing at least one C1-4 alcohol to remove residual solvent and non-solvent and/or tighten the membrane discriminat... | 07/04/1989 |
| 4819342 | Water absorption controlled dehydrating device A water absorption controlled dehydrating device which comprises covering a high osmotic pressure substance and a water soluble thickening agent with a supporting material provided at least partly with a water-permeable semipermeable membrane.... | 04/11/1989 |
| 4793072 | Dehydration method and dehydration system A material to be dehydrated wrapped in a semipermeable sheet is dipped in a dehydrating solution to cause part of water contained in the material to be absorbed into the dehydrating solution to dehydrate the material, and the water-absorbed dehydrating so... | 12/27/1988 |
| 4741837 | Process for drying brown coal of high water content For the purpose of increasing the efficiency during drying of brown coals having a high water content and for the purpose of facilitating the purification of process waste water resulting in a drying process according to Fleissner it is proposed to spray ... | 05/03/1988 |
| 4686775 | Absorbent drying method by contacting with a hydrocarbon A method for drying a catalytic absorbent involves the contacting of a drying fluid with the wet absorbent until the absorbent is reduced to a desired level of water content. Prior to startup of a process employing a catalytic absorbent to remove impuriti... | 08/18/1987 |
| 4645698 | Dehydrating and water-retaining sheet A dehydrating and water-retaining sheet comprising a water-absorbing agent, a wetting agent having a water-absorbing property, and a water-permeable membrane, in which the water-absorbing agent and the wetting agent are at least partially wrapped together... | 02/24/1987 |
| 4562165 | Regenerating sorbents Sorbents used for drying organic liquid process streams can be regenerated by passing an organic liquid carrier solvent such as n-octanol therethrough at a temperature sufficient to dissolve water trapped in the sorbent, thus regenerating it, and subseque... | 12/31/1985 |
| 4535065 | Method for regeneration of moist powder adsorption agents In a method for regeneration of moist powder adsorption agent, the moist-charged adsorption agent is first fed into the lower area of a fluidized bed which is provided with an aeration and heat-carrying material; the agent then is fed upwardly through the... | 08/13/1985 |
| 4464844 | Method for dewatering aggregate solid substrates by miscible liquid displacement A method for dewatering an aggregate solid substrate is disclosed which comprises placing the substrate between two moving permeable belts, compressing the substrate between the belts, contacting the substrate with a displacement fluid while it is still c... | 08/14/1984 |
| 4237620 | Contactor An assembly for removing contaminants from gas, comprising a cylinder having therein a spiral path-forming member, a layer of absorbent fluid, and substantially filled with mass transfer media.... | 12/09/1980 |
| 4201695 | Arrangement for regenerating particulate adsorbents A reaction vessel for regenerating particulate adsorbents has a bottom outlet and top inlets for admission of the adsorbent to be regenerated by being heated to a regeneration temperature, and for a particulate regenerating material at a temperature above... | 05/06/1980 |
| 4193205 | Columnar contaminant remover A device for removing contaminants from gas or other fluids. Such device includes, in a column, a tortuous pathforming member, such member including a plurality of path dispersal elements, all for assuring intimate contact between such gas or other fluids... | 03/18/1980 |
| 4169807 | Novel solvent drying agent Mixtures of 1-propanol, water and certain perfluoro compounds form excellent drying agents for silicon based devices. The mixtures have good wetting properties and form azeotropic mixtures in the vapor phase.... | 10/02/1979 |
| 4105747 | Method for dehydrating metal chlorides A hydrated metal salt is dehydrated to its anhydrous form by dissolving the metal salt hydrate in an organic solvent; and contacting the solvent solution of metal salt hydrate with a molecular sieve of a pore size sufficient to permit the absorption of wa... | 08/08/1978 |
| 4060912 | Absorber-contactor A device and system for removing contaminants, such as vapors or condensibles, from gas. Such device particularly includes a tortious or spiral path-forming member, wherein such contaminated gas is caused to repeatedly pass through a layer of absorbent fl... | 12/06/1977 |
