Class 162/181.9 - Free metal or free carbon containing

Subclass of Class 162 - Paper making and fiber liberation
Definition: Subject matter comprising a metal or carbon in elemental
No. of patents: 30
Last issue date: 12/05/2006

Number	Title	Issue Date
7144476	Carbon fiber electrode substrate for electrochemical cells This invention relates to electrode substrates for electrochemical cells, particularly low-temperature fuel cells, and processes for their production. Low-cost carbon fiber paper structures are used as precursor for preparation of an all-carbon product that has a hi...	12/05/2006
7005035	Packaging device and method for absorbing moisture A packaging device and method for absorbing and reducing moisture as well as a manufacturing process for such device. The packaging device is a container made from paperboard such as containerboards or linerboards with a corrugated medium. The paperboard is insulate...	02/28/2006
6740151	Reaction of carbon black with diazonium salts, resultant carbon black products and their uses Processes for preparing a carbon black product having an organic group attached to the carbon black. In one process at least one diazonium salt reacts with a carbon black in the absence of an externally applied electric current sufficient to reduce the diazonium sal...	05/25/2004
6485608	Manufacture of plain bearings The bearing comprises a metal backing, a sintered layer on said metal backing, and a lining layer infiltrated into pores of the sintered layer and standing proud thereof to provide a bearing surface. The lining layer comprises polytetrafluoroethylene incl...	11/26/2002
6475340	Solid phase extraction membrane A wet-laid, porous solid phase extraction sheet material that contains both active particles and binder and that possesses excellent wet strength is described. The binder is present in a relatively small amount while the particles are present in a relativ...	11/05/2002
6425977	Manufacture of plain bearings A method of manufacturing a bearing material, a bearing material and a bearing having the bearing material on a strong backing are described. The method includes the steps of forming a water-based slurry having a solids content comprising 30 to 80% by vol...	07/30/2002
6355141	Process for the production of paper A process for the production of paper in which cellulosic fibers are treated with microparticles comprising shell-formed carbon allotrope particles, paper obtainable from this process, and a drainage and/or retention agent comprising at least partially hy...	03/12/2002
6083347	Absorbent material and production thereof The present method generally relates to a method for production of absorbent material having improved sorptive capacity, which material comprises cellulosic fibres, wherein said method comprises treating said fibres, in the presence of water, with a hydro...	07/04/2000
6042643	Reaction of carbon black with diazonium salts, resultant carbon black products and their uses Processes for preparing a carbon black product having an organic group attached to the carbon black. In one process at least one diazonium salt reacts with a carbon black in the absence of an externally applied electric current sufficient to reduce the di...	03/28/2000
5997785	Method for the manufacturing of a moulded body A molded body is produced on the basis of a raw material, the main content of which is material which is left after remolding pulp from paper and extraction of fibers from the pulp mass for remanufacturing of paper. This raw material which mainly consists...	12/07/1999
5676909	Archival preservation coatings and adhesives Discussed is a method of preventing the physical degradation of an archival article due to exposure to environmental impurities by applying to a substrate a coating composition containing (i) an alkaline buffer capable of neutralizing acidic components fr...	10/14/1997
5407535	Manufacture of lottery tickets The invention relates to a new lottery ticket paper for the manufacture of different kinds of lottery tickets, especially of the "instant lottery ticket" type, and a method of manufacturing said tickets. The lottery ticket paper is characterized in that i...	04/18/1995
5389202	Process for making a high pulp content nonwoven composite fabric A high pulp content nonwoven composite fabric is disclosed. The composite fabric contains more than about 70 percent, by weight, pulp fibers which are hydraulically entangled into a continuous filament substrate. This high pulp content composite nonwoven ...	02/14/1995
5294300	Production method of expanded graphite sheet and expanded graphite sheet obtained thereby An expanded graphite sheet of very large mechanical strength can be produced by compressing a graphite expanded to not less than 50 times as large as normal state in average to be 0.02 to 0.3 g/cm3 in bulk density, grounding the compressed grap...	03/15/1994
5240561	Acid-to-alkaline papermaking process A fundamentally new papermaking process for the manufacture of paper, board and other wet-laid products on a paper machine under conditions ranging from acidic to alkaline from aqueous furnishes treated with in-situ-synthesized complex functional microgel...	08/31/1993
5215627	Method of making a water laid fibrous web containing one or more fine powders A method of making a fibrous web containing at least two particulate materials and which includes mixing the dry particulate materials together in a substantially dry condition, using the dry mix to form at least part of an aqueous dispersion of fibres, a...	06/01/1993
5213664	Lottery tickets and paper The invention relates to a new lottery ticket paper for the manufacture of different kinds of lottery tickets, especially of the "instant lottery ticket" type, and a method of manufacturing said tickets. The lottery ticket paper is characterized in that i...	05/25/1993
5173362	Composite substrate for bipolar electrodes Substrates for electrode systems, particularly those to be used for bipolar electrodes in zinc-bromine batteries, are disclosed. The substrates preferably include carbon-black as a conductive filler in a polymeric matrix, with reinforcing materials such a...	12/22/1992
5110413	Intumescent sheet material Intumescent sheet material having a matrix whose predominant ingredient is an unfired kaolinitic clay comprising ball clay reinforced by inorganic vitreous fibre (for example, mineral wool) contains heat-expandable graphite as intumescent agent and up to ...	05/05/1992
4904343	Non-woven activated carbon fabric An air and water vapor permeable, toxic vapor absorptive non-woven fabric material comprising a web-laid sheet containing fibrillated acrylic fiber, and an activated carbon constituent selected from the group consisting of activated carbon fiber, activate...	02/27/1990
4895620	Electrically conductive carbon-coated fibers A composition is described which is prepared so that it has a low electrical resistivity so that it can be used in electrostatic discharge operations. The composition includes carbon-coated fibers. The fiber is characterized in that it is a Lewis base whi...	01/23/1990
4799996	Metallizable substrate composites and printed circuits produced therefrom Substrate composites, well adopted for the production of metallized printed circuits and facilely prepared by, e.g., papermaking procedures, include a central core layer comprising fibrous cellulosic material or flaked mica within a matrix of a thermosett...	01/24/1989
4726882	Product and method of continuously manufacturing thin porous conductive strips by paper-making techniques as electrodes for fuel cells A method of continuously manufacturing thin porous conductive strips, the strips including at least one layer based on a substance which contains carbon and a binder, the method comprising the successive steps of: preparing a very dilute aqueous dispersion of ...	02/23/1988
4606790	Conductive paper and method A multi-ply, fibrous material-based, conductive structure, and a method of making such a structure, which comprises as an integral structural member thereof at least one ply having an integral, continuous, uninterrupted, electroconductive barrier capable ...	08/19/1986
4548678	Flexible sheet material and articles made therefrom Flexible sheet material suitable for use in the manufacture of wear-resistant laminated articles such as bearings and rotor blades comprises particles of graphite and heat-resistant web-forming fibres, preferably of poly (aromatic amide), bound together w...	10/22/1985
4529662	Asbestos-free sheet material for spiral-wound gaskets Non-asbestos flexible sheet material suitable for use in the manufacture of spiral wound gaskets is made by dewatering on a water-permeable conveyor a layer of aqueous slurry and compressing and drying the dewatered layer, the aqueous slurry employed bein...	07/16/1985
4495030	Filter paper A high efficiency, toxic vapor absorptive non-woven filter material comprising a wet-laid sheet containing fibrillated binder fiber, active carbon and submicron size glass fiber....	01/22/1985
4454190	Expandable ceramic fiber felt with graphite flakes An expandable ceramic fiber felt to be used as a insulating material comprising ceramic refractory fibrous material, about 2 to 20 weight percent of expandable graphite flakes, and an organic binder. The graphite flakes expand upon heating thereby causing...	06/12/1984
4443517	Gasketing material A material suitable for use in gaskets is disclosed. The material can comprise: (a) a mass of intermeshed fibers bonded to one-another at points of contact by an elastomeric binder; and (b) graphite distributed throughout the intermeshed fibers in an amou...	04/17/1984
4416728	Self-extinguishing paper materials Self-extinguishing paper materials essentially consisting of paper pulps obtained from virgin chemical or reclaimed cellulose fibers and from red phosphorus powder encapsulated by a modified melaminic resin. These materials find practical industrial appli...	11/22/1983

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Class 162/181.9 - Free metal or free carbon containing