Patents for D21H 23 - Processes or apparatus for adding material to the pulp or to the paper (8,452)
07/2002
07/24/2002EP1104495A4 Selective retention of filling components and improved control of sheet properties by enhancing additive pretreatment
07/23/2002US6423183 Paper products and a method for applying a dye to cellulosic fibers
07/23/2002US6423181 Gravure paper and manufacturing process for this paper
07/18/2002WO2001088263A3 Control of paper color
07/18/2002US20020092635 Foam treatment of tissue products
07/18/2002DE10101866A1 The applicator, to coat the surface of a moving paper/cardboard web, applies the coating to the under side while carried around a support by a continuous transfer belt, followed by suction and drying stations
07/17/2002EP1073910A4 Paper stock zeta potential measurement and control
07/17/2002EP0856084B1 Method and apparatus for coating a moving paper or cardboard web
07/16/2002US6419794 Method and apparatus for damping contact oscillations of rotating rolls
07/16/2002US6419789 Method of making a non compacted paper web containing refined long fiber using a charge controlled headbox and a single ply towel made by the process
07/16/2002CA2091908C Holder for the cradle of a coating bar or for a coating blade
07/11/2002US20020088585 Providing a starch component containing a cationized crosslinked starch having specific hot paste viscosity, cooking first portion of the starch for a specific time andtemperature, cooking second portion for different
07/11/2002US20020088565 Providing a pulp slurry, containing at least about 30% by dry pulp weight of a low-grade pulp, adding a preflocculated filler to the slurry, forming a paper web, winding the web on a reel
07/10/2002CN1358210A Polymer pigment applicable in dry form
07/10/2002CN1087373C Method of applying powder coating to length of lignocellulosic material
07/10/2002CN1087370C Paper-making method
07/09/2002US6416624 Spray application of an additive composition to sheet materials
07/09/2002CA2219779C Hydrostatic shear inducing short dwell coater
07/03/2002EP1219344A2 Method and apparatus for feeding a chemical into a liquid flow
07/03/2002EP1218174A1 Continuous solid state web coating process and webs produced thereby
07/03/2002EP1073792B1 Slatted collimator
07/03/2002EP0706592B1 Process and device for producing paper webs coated on both sides
07/03/2002CN1357070A Soft tissue product exhibiting improved lint resistance and process for making
07/02/2002US6413591 Method of coating cellulosic and lignocellulosic webs
07/02/2002US6413368 Foam forming method and apparatus
07/02/2002US6413314 Doctor rod for a coating device
06/2002
06/27/2002WO2002050374A1 Process for coating a substrate
06/26/2002EP1049832B1 Cationic starch/cationic galactomannan gum blends as strength and drainage aids
06/25/2002US6410100 Fanshape spraying liquid or paste onto one or both sides from a plurality of spaced single application nozzles; paper; cardboard
06/25/2002US6409836 Apparatus for direct or indirect application of a liquid or pasty coating medium onto a traveling material web, notably of paper or cardboard
06/20/2002US20020074100 Method of making a non compacted paper web containing refined long fiber using a charge controlled headbox and a single ply towel made by the process
06/19/2002EP1214471A1 Enameled, optically brightened printing paper and method for the production thereof
06/19/2002EP1214470A1 Surface finishing of paper or board, and agent for this purpose
06/18/2002US6406752 Discharging apertures; removal impurities
06/18/2002US6406594 Method for manufacturing paper products comprising polymerized mineral networks
06/18/2002US6406593 Using cellulose to make paper with shear, flocculation and drainage on screen, drying
06/18/2002US6406592 Mixture of various pulps; multilayer; bonding strength
06/13/2002WO2002046526A1 Doctor or coater blade and method in connection with its manufacturing
06/13/2002WO2002046525A1 A method for manufacturing paper with a constant filler content
06/13/2002WO2002045869A1 Method and use of a method for the dry application of barrier and adhesive materiels on webs
06/13/2002US20020069984 Apparatus for controlling mist and dust in the manufacture and finishing of paper and board
06/13/2002DE10061710A1 Verfahren und Vorrichtung zum Aufbringen mindestens zweier unterschiedlicher fließfähiger Medien auf Oberflächen Method and apparatus for applying at least two different flowable media on surfaces
06/12/2002EP0889994B1 Absorbent material and production thereof
06/12/2002CN1353785A Processing and apparatus for applying chemical papermaking additives to web substrate
06/11/2002US6403190 Composite paper substrates having layers of polyethylene or polypropylene blends, extrusion coatings containing fillers; lamination; tapes; sheets
06/11/2002US6401390 Multilayer biodegradable mulch and methods for preparing and using the same
06/11/2002CA2179059C Continuous adjustable backing bar for profiling coater blade
06/06/2002WO2002044471A1 Method for coating paper
06/06/2002US20020066544 Aqueous slurry of fibers and foamed liquid carrier; addition of the pulp as low consistency slurry results in excess foamed liquid recovered from the forming wires; making tissue papers
06/06/2002US20020066540 Manufacture of paper and paperboard
06/06/2002DE10059281A1 Tragbalken Stringers
06/06/2002DE10057731A1 Assembly discharges liquid coating to fast moving web paper descending over a roller at a defined angle
06/05/2002EP1211352A1 Apparatus for preservation of paper
06/05/2002EP1211053A2 Supporting beam
06/05/2002EP1210481A1 Method and device for single- or double-sided application
06/05/2002EP0820546B1 Method in film transfer coating and equipment intended for carrying out the method
06/04/2002US6399160 Method and apparatus for film coating a moving paper or board web supported by a belt to form a coating application zone with adjustable length
06/04/2002US6398912 Additive for paper making
05/2002
05/30/2002WO2002042555A1 Method and device for controlling the moisture or coating quantity profile in a paper web
05/30/2002US20020062938 Process for the production of paper
05/29/2002EP1084030A4 Water dispersible/redispersible hydrophobic polyester resins and their application in coatings
05/29/2002EP0889998B1 Temporary wet strength paper
05/28/2002US6395338 Process and device for coating a support using a crosslinkable silicone composition
05/28/2002US6395134 Manufacture of paper and paperboard
05/23/2002WO2002040773A1 Method and apparatus for treating pulp with filler
05/23/2002WO2001088265A3 Papermaking pulp and flocculant comprising acidic aqueous alumina sol
05/23/2002US20020060010 Web is formed in a wet end of a paper or cardboard machine, and a liquid or pasty application medium is applied on the material web at least on one side by an application device in the wet end.
05/23/2002US20020060009 Method and apparatus to produce paper webs coated on both sides
05/23/2002DE10057733A1 Web curtain coating jet applicator has a valve in the jet chamber, as a spring leaf, which divides it into an ante-chamber and a main chamber to give a low coating medium volume for a coherent coating curtain
05/22/2002CN1350608A Method and apparatus for handling a paper or board web
05/21/2002US6391156 Manufacture of paper and paperboard
05/16/2002WO2002038865A2 Foam treatment of tissue products
05/16/2002WO2002038864A2 Flame-retarded paper products and method and apparatus for making them
05/16/2002WO2002038858A2 A method and a paper machine line for the manufacture of coated fine paper
05/16/2002WO2002002870A3 Process for preparing a paper web
05/16/2002US20020056531 Method for the carrying out of a flotation, bleach and/or dispersion process serving for the manufacture of fiber or paper
05/15/2002EP1204796A1 Method for the manufacture of a finished product from a lignocellulosic material
05/15/2002CN1084817C Process for thermal mechanical surface treatment of material webs, using adhesive agents
05/14/2002US6387452 Method and device for coating substrate to provide it with antiadhesive properties, using a cross-linkable silicon composition
05/10/2002WO2002012620A8 Method for manufacturing a coated fibre web, improved paper or board machine and coated paper or board
05/10/2002WO2001094697A3 Biodegradable coated substrates
05/08/2002CN1348522A Paper coating composition with improved optical brighteners carriers
05/08/2002CN1084416C Special paper board for coiled incense and producing process thereof
05/07/2002US6383337 Method and device for applying a medium on a running web of material
05/07/2002US6383296 Chambered doctor blade with automatic cleanup and ink replacement
05/02/2002EP1200508A1 Polymer pigment applicable in dry form
05/01/2002CN2488950Y Dyeing paper device by spraying coloring matter in type of environmental protection
04/2002
04/30/2002US6379501 Cellulose slurry with aluminum compound and metal silicate complex
04/30/2002US6379500 Silica-based sols
04/30/2002US6379462 Metering system for an apparatus for coating webs of material such as paper, paperboard or cardboard webs
04/30/2002US6379446 Methods for dispersing fibers within aqueous compositions
04/25/2002WO2002033171A1 Manufacture of paper and paperboard
04/24/2002EP1198643A1 Application device
04/24/2002EP0749508B1 Improved paper making process
04/24/2002CN1346417A 施胶组合物 Sizing composition
04/24/2002CN1083509C Production of filled paper
04/23/2002US6375799 Process and apparatus for producing a fibrous material web
04/23/2002US6374769 Fluid material application system employing tube-in-hose heat exchanger
04/23/2002CA2192179C Lotioned tissue paper
04/18/2002WO2002031262A1 Coating method and coating apparatus
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