Class 34/409 - Including addition of treating agent

Subclass of Class 34 - Drying and gas or vapor contact with solids
Definition: Process wherein a modifying agent is added to the treating
No. of patents: 21
Last issue date: 12/11/2007

Number	Title	Issue Date
7306680	Method of cleaning by removing particles from surfaces, a cleaning apparatus and a lithographic projection apparatus A lithographic mask is placed in a chamber which is then sealed. The gas pressure in the chamber is reduced to dislodge contaminant particles on the mask surface. ...	12/11/2007
7178263	Method of manufacturing incombustible wood Provided is a method of manufacturing incombustible wood that enables maximization of the amount of an incombustion agent used to be impregnated into wood. Further provided is a method of manufacturing incombustible wood that completely satisfies incombustible-wood ...	02/20/2007
7096600	Forced gas flow canister dehydration The present invention provides a method and system for ensuring that cavities used to store radioactive elements are adequately dried without intrusive measuring. In one aspect the invention is a method of drying a cavity loaded with radioactive elements, the loaded...	08/29/2006
7002698	Semiconductor processing apparatus having lift and tilt mechanism A lift/tilt assembly for use in a semiconductor wafer processing device is set forth. The lift/tilt assembly includes a linear way comprising a fixed frame and a moveable frame. A nest for accepting a plurality of semiconductor wafers is rotatably connected to the m...	02/21/2006
6996919	Process for obtaining dry extracts under mild conditions The invention concerns a method for obtaining dry plant extracts under mild conditions, in which a liquid plant extract is introduced into a vacuum drying equipment having a multi-shaft stirrer extending through a cylindrical mixing and drying chamber and with its o...	02/14/2006
6918192	Substrate drying system A substrate drying system for drying substrates after the substrates are washed typically using deionized water, is disclosed. The substrate drying system comprises a substrate cleaning tank in which the substrates are washed. A dry pump is provided in fluid communi...	07/19/2005
6684526	Process for removing trace solvent from a material An improved process for removing trace solvent from a material comprises rewetting the product with water during the drying process. Finished products such as suramin are produced efficiently to a high quality on a factory scale....	02/03/2004
6643950	System and method for measuring freeze dried cake resistance A cake resistance measuring system and method are used to measure the cake resistance of a freeze dried sample during or after processing, with the results of the measurement being used to improve that processing and/or subsequent freeze drying processes ...	11/11/2003
6630031	Surface purification apparatus and surface purification method By a simple apparatus construction and process, it is made possible to "clean precisely" a surface at the molecular/atomic level, and the purification degree of the surface processed minutely is made into 1012 molecules/cm2 or less. ...	10/07/2003
6550158	Substrate handling chamber An apparatus and method for reducing particles in reactors. The apparatus includes an enclosure with a wafer handling chamber connected by an isolation gate valve to a processing chamber. Pipes deliver purge gas into the wafer handling chamber to eliminat...	04/22/2003
6508014	Method of drying substrates A method of removing water from the surface of a silicon wafer or other substrate subjected to wet processing which includes a step of water rinsing. In this method a silicon wafer whose surface includes liquid water is disposed in an atmosphere saturated...	01/21/2003
6430840	Method of and apparatus for drying a wafer using isopropyl alcohol A method of and an apparatus for drying a wafer using the Marangoni effect quickly forms an isopropyl alcohol layer on a cleaning liquid in which the wafer is submerged. The isopropyl alcohol is first heated and then supplied in a fluid state onto the cle...	08/13/2002
6128830	Apparatus and method for drying solid articles Disclosed herein is an apparatus and method for drying solid articles such as semiconductor wafers. In one embodiment, the dryer comprises a process tank and a drying fluid supply system. The process tank includes a plurality spray nozzles to spray a non-...	10/10/2000
5857269	Process for manufacturing fatty alcohol sulfate products A process for manufacturing improved granulated fatty alcohol sulfates. The process includes slowly drying and mechanically mixing the fatty alcohol sulfate....	01/12/1999
5855077	Apparatus for drying semiconductor wafers using isopropyl alcohol An apparatus for drying semiconductor wafers using IPA (Isopropyl Alcohol) vapor includes a first chamber for producing the IPA vapor, and a second chamber connected to the first chamber through an IPA supply line, for receiving the IPA vapor and drying s...	01/05/1999
5797195	Nitrogen trifluoride thermal cleaning apparatus and process The present invention is a method and apparatus for the dynamic cleaning of semiconductor fabrication equipment and particularly quartzware with thermally activated nitrogen trifluoride wherein the cleaning effluent is safely removed and cleaning by-produ...	08/25/1998
5347725	Method and apparatus for vacuum drying colloidal substances A colloidal substance is injected into a vacuum chamber to be dehydrated therein. The dehydrated substance is extracted from the vacuum chamber by a screw extruder disposed at a bottom of the vacuum chamber. A gas resulting from the dehydration is drawn f...	09/20/1994
5315766	Vapor device and method for drying articles such as semiconductor wafers with substances such as isopropyl alcohol A device for drying articles such as semiconductor wafers comprising a vacuum process chamber for holding articles to be dried; a vapor generator substantially isolated from the process chamber for supplying a substance such as isopropyl alcohol in vapor ...	05/31/1994
5210957	System, apparatus and methods for the conservation of fibrous material A system, apparatus and methods are described for the treatment of fibrous materials and, in particular, works of art on paper, with aqueous treating fluids introduced to a treatment chamber by means of an ultrasonic humidifier creating contact between th...	05/18/1993
4377040	Process for the modification of wood A process is described for the modification of wood and wood products by heat treatment in a closed, heatable vessel, wherein the water content of the starting material is controlled to be no higher than 10% by weight....	03/22/1983
4198763	Drying method and apparatus The invention provides a chamber, or tank, sealable by closing its cover and in which green lumber, agricultural products and/or earthenware to be dried can be artificially dried to the desired degree, or in which they can be provided with insect-proofing...	04/22/1980

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Class 34/409 - Including addition of treating agent