Patents for D21H 23 - Processes or apparatus for adding material to the pulp or to the paper (8,452)
09/2004
09/29/2004EP1461499A1 An apparatus and a method for controlling the alkalinity and ph of an industrial process
09/29/2004CN1532335A Additive composition for paper and method for producing paper by said paper additive composition
09/28/2004US6797319 Positioning a foam applicator adjacent to first surface of the paper web, flowing the foam through extrusion slot, contacting with liquid permeable partition, flowing foam through dispensing slot on to first surface of the paper webwebpaper
09/28/2004US6797116 Method of applying a foam composition to a tissue product
09/28/2004CA2215758C Methods and apparatus for controlled placement of a polymer composition into a web
09/28/2004CA2079429C Single or multi-layer recyclable material with barrier properties against humidity and gases, and process for its manufacture
09/23/2004WO2004081285A1 Method for producing coated paper or board
09/23/2004US20040185171 Device, method and arrangement for pressing two axis-parallel rollers approachable to one another in a device for producing and/or treating a web of material
09/23/2004US20040183223 Enables more efficient and economical use of dual or tandem extruder systems; for coating multiple substrate webs on a dual or tandem extruder system having multiple extruder stations
09/22/2004EP1460041A2 An anionic nanocomposite for use as a retention and drainage aid in papermaking
09/22/2004EP1458933A1 Method for producing paper, paperboard and cardboard
09/22/2004EP1458932A1 Toilet tissue and method of production
09/22/2004EP1458931A1 Sizing method for board
09/22/2004EP1458496A1 Method and apparatus for curtain coating
09/22/2004EP1285126B1 Method and device for manufacturing a paper or board web where the finishing device can be bypassed
09/22/2004EP1100751B1 Preparation of anionic nanocomposites and their use as retention and drainage aids in papermaking
09/22/2004EP0932498B1 Paper coated with polylactide and a method for making it
09/22/2004CN1531613A Wet-strength finishing agents for paper
09/22/2004CN1167848C Method of enhancing strength of paper products and resulting products
09/22/2004CN1167847C Sizing composition
09/21/2004CA2257691C Chemically enhanced multi-density paper structure and method for making same
09/16/2004WO2004079093A1 Method for feeding a treating agent to an application apparatus
09/16/2004US20040177939 Method and apparatus for producing sized paper of board
09/15/2004EP1456472A1 A paper product comprising a polyvinylamine polymer
09/15/2004EP1456471A1 Method for the application of a viscous composition to the surface of a paper web and their products
09/15/2004EP1456470A1 High gloss calcium carbonate coating compositions and coated paper and paper board manufactured from same
09/14/2004CA2113134C Method and assembly for preventing air entry between a moving material web and a roll
09/10/2004WO2004076165A1 Method for the manufacture of corrugated board
09/08/2004EP1454017A1 Method for releasing laminated materials
09/08/2004EP1454016A1 Method and apparatus for making a multilayer coating
09/08/2004EP1086276B1 Method for manufacturing paper and cardboard
09/07/2004US6787196 Apparatus for making a web of paper or board containing calcium carbonate
09/02/2004WO2004001132A3 Machine for the treatment of a web of material, comprising a contactless application device and a material-smoothing device
09/02/2004US20040168279 Equipment and method for changing a blade
09/01/2004CN1526043A Process for making multilayer coated paper or paperboard
09/01/2004CN1525004A Processing method for regenerative semi-chemical corrugated paper
09/01/2004CN1164831C Cellulose products comprising silicate and processes for preparing the same
08/2004
08/31/2004US6783804 Overcoating with mixture of pigment and latex; brushing
08/31/2004US6783623 Method of making a dry bonded paperboard structure
08/31/2004US6782637 System for making dried singulated crosslinked cellulose pulp fibers
08/31/2004CA2111852C Applying a fluoropolymer film to a body
08/26/2004WO2004072377A1 Process for manufacturing a cellulosic paper product exhibiting reduced malodor
08/26/2004WO2004072376A1 Anionic functional promoter and charge control agent with improved wet to dry tensile strength ratio
08/26/2004WO2004071871A2 Packaging device and method for absorbing moisture
08/26/2004WO2004071780A2 System for production-line printing on wet web material
08/26/2004US20040163784 Non-impact printing method for applying compositions to webs and products produced therefrom
08/26/2004US20040163182 an amide-substituted quaternary imidazolinium salt; a nonionic surfactant; and a polyhydroxy compound
08/26/2004CA2523772A1 Packaging device and method for absorbing moisture
08/26/2004CA2515365A1 System for production-line printing on wet web material
08/26/2004CA2514742A1 Anionic functional promoter and charge control agent with improved wet to dry tensile strength ratio
08/25/2004EP1448384A1 Method for extrusion coating a lightweight web
08/25/2004EP1084297B1 Use of colloidal precipitated calcium carbonate as a filler in the preparation of paper
08/25/2004CN1524144A Equipment and method for changing a blade
08/24/2004CA2260534C Fountain coating applicator and fountain coating applicator support beam
08/19/2004WO2004070113A1 Applicator apparatus of a film-transfer coater and coating method
08/19/2004WO2004053227A3 Filler-fiber composite
08/19/2004US20040159413 cellulosic fiber web source, spray applicator; powder applicator; atomizer, and a repulper to defibrilize the lubricated web; for applying debonding, binder and lubricant compositions; used to form cellulosic fiber pellets
08/19/2004DE4224717B9 Verfahren zur Herstellung eines druckempfindlichen Aufzeichnungsblattes A process for preparing a pressure-sensitive recording sheet
08/18/2004EP1447475A2 Method and apparatus for coating a web
08/18/2004EP1446707A1 Method and apparatus for controlling the operation of stock preparation of a paper machine
08/18/2004EP1446527A1 Process for sizing paper and sizing composition
08/18/2004EP1121487B1 Method and arrangement for calendering paper and board before and after coating
08/18/2004CN1522329A Method and apparatus for producing sized paper or board
08/18/2004CN1522328A Method for producing sized paper or cardboard
08/12/2004US20040154764 Method for production of coated paper with extreme whiteness
08/12/2004DE19929855B4 Verfahren zur Herstellung einer wässrigen Suspension zur Papierherstellung A process for preparing an aqueous suspension of papermaking
08/11/2004EP1444054A2 Method for applying an application medium to continuous web of material
08/11/2004EP1253999A4 Treatment of natural polymer based materials and the products based thereon
08/10/2004US6773550 Method for coating webs
08/10/2004US6773549 Method for producing an enameled, optically brightened printing paper
08/10/2004CA2225447C Swollen starches as papermaking additives
08/05/2004WO2004001131A3 Machine for producing and treating a sheet of material, comprising an application device that is provided with at least one contactless application unit
08/05/2004US20040149411 Wet-strength finishing agents for paper
08/05/2004US20040149408 Forming graphic quality material; applying aqueous high molecular weight polyethylene glycol solution and smoothing
08/05/2004US20040149403 Economic and efficient refining; reduced energy; papermaking
08/04/2004CN1517492A Colour difference control technology of for producing colour paper
08/03/2004US6772036 Control system using process model
08/03/2004US6770170 Papermaking pulp including retention system
08/03/2004US6769199 Process for producing dried singulated cellulose pulp fibers using a jet drier and injected steam and the product resulting therefrom
07/2004
07/29/2004WO2004048692A3 Process for producing super high bulk, light weight coated papers
07/29/2004WO2004031482A3 Device for the single- or double-sided application of a liquid or pasty coating medium to a moving material web, in particular consisting of paper or cardboard
07/29/2004WO2004030832B1 Improved film coater method and apparatus
07/29/2004US20040144512 Additive composition for paper making
07/29/2004US20040144510 Soft and strong webs from highly refined cellulosic fibres
07/29/2004US20040144164 Method and system in control of coating colour recipe
07/28/2004EP1439915A1 Spraying nozzle for rewet showers
07/28/2004EP1439751A1 Antimicrobially-treated fabrics
07/28/2004EP0918571A4 Vortex-free coating device for traveling webs
07/28/2004CN1516771A 含水组合物 The aqueous composition
07/27/2004CA2325698C A coating apparatus for applying coating material
07/22/2004WO2004061237A1 Tissue products having uniformly deposited hydrophobic additives and controlled wettability
07/22/2004WO2004061236A2 Non-impact printing method for applying compositions to webs and products produced therefrom
07/22/2004WO2004061235A1 Bicomponent strengthening system for paper
07/22/2004WO2004061233A1 Paper wiping products treated with a hydrophobic additive
07/22/2004WO2004061232A1 Process for bonding chemical additives on to substrates containing cellulosic materials and products thereof
07/22/2004WO2004061229A1 Copolymer latex for noncontact coating and composition comprising the same, and coated paper and method for production thereof
07/22/2004WO2004044317A3 Wallpaper and method for production thereof
07/22/2004US20040139566 Method for forming colored cellulosic materials
07/22/2004DE10296949T5 Druckpapier und Verfahren zu seiner Herstellung Print paper and methods for its preparation
07/22/2004CA2509025A1 Paper wiping products treated with a hydrophobic additive
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