| Patents for D21H 23 - Processes or apparatus for adding material to the pulp or to the paper (8,452) |
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| 03/25/2004 | US20040055721 Lotioned and embossed tissue paper |
| 03/25/2004 | DE10242012A1 Process to coat a paper or carton web with a paste or fluid has a first non-contact application station followed by a scraper-blade application station |
| 03/25/2004 | DE10242010A1 Paper industry coating station operates within a temperature-controlled gas atmosphere with dissolved and vaporized fluid near gas saturation point |
| 03/25/2004 | CA2497134A1 Improved method for using water insoluble chemical additives with pulp and products made by said method |
| 03/24/2004 | EP1399623A1 Wet-strength finishing agents for paper |
| 03/24/2004 | EP1294984B1 Formation of oriented multilayer polymeric films |
| 03/24/2004 | EP1064427B1 Method and apparatus for feeding a chemical into a liquid flow |
| 03/23/2004 | US6709516 Apparatus for preventing the direction of a harmful jet from a spraying nozzle on a web |
| 03/18/2004 | WO2004022851A1 Method for the production of cardboard made of cellulose fibres for packaging liquids |
| 03/18/2004 | WO2004022847A1 Use of polymers containing vinylamine units as promoters for alkyldiketene glueing |
| 03/18/2004 | WO2004022240A2 A coater with an adjustable filter and method |
| 03/18/2004 | US20040050512 Flame-retarded paper products and method and apparatus for making them |
| 03/18/2004 | US20040050511 Cellulose suspensions containing peroxyacetic acid or peracetic acid and hydrogen peroxide in sufficient concentration to reduce the necessary amount of fluorescent whitener or optical brightener to achieve brightness (white) |
| 03/18/2004 | US20040050508 Pulp, sodium hydroxide and carbon dioxide gas fed into a rotating drum so that the gas flows countercurrently in relation to the pulp suspension to precipitate/crystallize sodium carbonate on the fibers; quality; retention |
| 03/18/2004 | CA2495372A1 Use of polymers containing vinylamine units as promoters for alkyldiketene glueing |
| 03/17/2004 | EP1073910B1 Paper stock zeta potential measurement and control |
| 03/16/2004 | US6706145 Aqueous adhesive dispersions and the use thereof in the production of multi-layered paper |
| 03/16/2004 | CA2113740C Production of filled paper |
| 03/11/2004 | WO2002094452A3 Application device |
| 03/11/2004 | WO2002066740A8 Lotioned and embossed tissuepaper |
| 03/11/2004 | US20040048768 Forming a solution from a liquid and an antimicrobial agent; combining a cellulosic fibrous material with solution to form a liquid suspension forming a web from liquid suspension |
| 03/11/2004 | US20040048061 For use in labels |
| 03/11/2004 | US20040045688 Method for increasing filler retention of cellulosic fiber sheets |
| 03/11/2004 | US20040045687 Pulp fibers can be treated with water insoluble chemical additives resulting in a minimal amount of unretained water insoluble chemical additives present after exposing the treated pulp fibers to process water, liquids, or solutions |
| 03/11/2004 | US20040045500 Coater with an adjustable filter and method |
| 03/11/2004 | DE10241903A1 Paper web has first coating of color generator and a colour acceptor under second coat of ultra-violet cross-linked printing ink hardened by exposure to ultra violet light |
| 03/10/2004 | EP1395705A2 Process for making multilayer coated paper or paperboard |
| 03/10/2004 | EP1395703A1 Aqueous composition |
| 03/10/2004 | CN1481465A Process for coating substrate |
| 03/09/2004 | US6703071 Absorbent articles |
| 03/09/2004 | US6702922 Papers for use in decorative laminates and methods of making the same |
| 03/04/2004 | WO2004018110A1 Liquid spray unit, method for spraying liquid using it, and chemical |
| 03/04/2004 | US20040040683 Paper and paperboard production process and corresponding novel retention and drainage aids, and papers and paperboards thus obtained |
| 03/04/2004 | DE19945580B4 Gestrichenes, optisch aufgehelltes Druckpapier und Verfahren zu dessen Herstellung Coated, optically brightened printing paper and process for its preparation |
| 03/04/2004 | DE10238899A1 Applicator mechanism is for direct application of liquid or paste coating on running paper or board web and minimizes impact of air boundary layer through profiled counter surface |
| 03/04/2004 | DE10238898A1 Applicator mechanism is for direct application of liquid or paste-like coating medium on paper or board web and minimizes adverse impact of air boundary layer in high-speed paper machines |
| 03/04/2004 | DE10238764A1 Applicator mechanism is for applying liquid or paste medium on one side or both sides of running paper or board and cools ambient air on applicator surface using heat pipe principle |
| 03/04/2004 | DE10238728A1 Auftragswerk Commissioned by |
| 03/04/2004 | CA2494272A1 Liquid spray unit, method of spraying liquid using it, and chemical |
| 03/03/2004 | EP1392927A2 Uncreped tissue paper having a high wet:dry tensile strength ratio |
| 03/03/2004 | EP1392926A2 Applicator |
| 03/03/2004 | EP1392924A1 Method and system in control of coating colour recipe |
| 03/03/2004 | EP1392918A2 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 |
| 03/03/2004 | EP1287204B1 Method for treating the surface of a substrate and a device for carrying out said method |
| 03/03/2004 | EP1268176B1 Paperboard tray having crack-resistant barrier coating |
| 03/03/2004 | EP1092062B1 Film press |
| 03/03/2004 | EP0744108B1 Signalling method and structure suitable for out-of-band information transfer in communication network |
| 03/03/2004 | CN1140357C Method and device for applying dispersions on strip of material |
| 03/02/2004 | US6699365 Comprises atomized air flow, for use on paper webs or other hygroscopic materials |
| 03/02/2004 | US6698877 Offset printing apparatus for applying a substance |
| 02/26/2004 | DE19903559B4 Verfahren und Apparatur zur Vorhangbeschichtung Method and apparatus for curtain coating |
| 02/26/2004 | DE19527902B4 Auftragsystem für eine Vorrichtung zum Beschichten einer Papier- oder Kartonbahn Application system for an apparatus for coating a paper or board web |
| 02/26/2004 | DE10237913A1 Production of cardboard for packaging liquids by treating pulp with a sizing agent and a retention aid comprises adding a cationic polymer to the pulp |
| 02/26/2004 | DE10237911A1 Use of polymers comprising vinylamine units as promoters for bulk sizing of paper with alkyl diketenes |
| 02/26/2004 | DE10236908A1 Vorrichtung zum Auftragen eines Auftragsmediums auf einen sich bewegenden Untergrund Device for applying a coating medium to a moving substrate |
| 02/25/2004 | EP1391554A2 Coating apparatus |
| 02/25/2004 | EP1095186B1 Surface modified fillers for sizing paper |
| 02/25/2004 | CN1477263A Disinfection, sterilization and infection-resisting paper and its production method |
| 02/25/2004 | CN1139691C Process for producing paper |
| 02/19/2004 | WO2004015200A1 Method for the production of paper, paperboard, and cardboard |
| 02/19/2004 | WO2003039763B1 Method for applying an application medium to continuous web of material |
| 02/18/2004 | EP1389647A1 Apparatus for applying a coating medium on a moving substrate |
| 02/18/2004 | EP1389646A1 Process for making paper |
| 02/18/2004 | EP1282741B1 Method of adsorption of cationic and anionic polymers on the surface of particles and paper or nonwoven product containing such particles |
| 02/18/2004 | EP1242685B1 Manufacture of paper and paperboard |
| 02/18/2004 | EP0703858B1 Three dimensional macroscopic assemblages of randomly oriented carbon fibrils and composites containing same |
| 02/18/2004 | CN1476505A Mfg. of paper and paperboard |
| 02/17/2004 | CA2119807C Method and apparatus for limiting the coating width and/or preventing damage to roll ends while coating or surface-sizing paper |
| 02/12/2004 | US20040028859 Electrically conductive and electromagnetic radiation absorptive coating compositions and the like |
| 02/12/2004 | US20040026054 Guiding web from wire section to pressing section; dehydration; spreading starch layer overcoating surfaces; sizing |
| 02/11/2004 | EP1272709B1 Application device |
| 02/11/2004 | CN2603109Y Sofety line fix-side adding device |
| 02/11/2004 | CN1473991A Process for producing black core card paper |
| 02/05/2004 | WO2003085199A3 White pitch deposit treatment |
| 02/05/2004 | US20040020618 Precalendering method, fininshing method and apparatus for implementing the methods |
| 02/04/2004 | EP1385635A1 Device for suctioning an air boundary layer from a running web of material |
| 02/03/2004 | CA2311037C Formation of oriented multilayer polymeric films |
| 02/03/2004 | CA2260726C A drying section apparatus |
| 01/29/2004 | US20040016828 Spraying nozzle for rewet showers |
| 01/29/2004 | DE10232550A1 Vorrichtung und Verfahren zum Imprägnieren einer Papier- oder Kartonbahn Apparatus and method for impregnating a paper or board web |
| 01/28/2004 | EP1383961A1 Assembly for treating a web of paper or paperboard |
| 01/28/2004 | EP1383960A1 Method for coating a web of paper or paperboard and a coated paper grade |
| 01/28/2004 | EP1383614A2 Variable electrostatic spray coating apparatus and method |
| 01/28/2004 | CN1136360C Process for making paper |
| 01/27/2004 | CA2227501C Rod holder with separate positionable contact elements for rod metering |
| 01/27/2004 | CA2215551C Method for controlling the permeability of a paper |
| 01/22/2004 | WO2004007840A1 Method in paper making process or other corresponding process and its use |
| 01/22/2004 | WO2004007215A1 Papers for use in decorative laminates and methods of making the same |
| 01/22/2004 | US20040013806 Pre-doctoring a web of paper or paperboard, applying a cooling fluid to the meeting point of the surface to be doctored, to cool and lubricate the doctor blade, smoothing roll of the coater |
| 01/22/2004 | US20040011486 Mixing cellulosic, fibrous feedstock and water to form a slurry; depositing slurry onto a wire of a papermaking machine to form a base paper web; mixing decorative inclusions for with abrasive grit particles and water; depositing, drying |
| 01/22/2004 | US20040011451 System and method for two sided sheet treating |
| 01/22/2004 | DE19545408C5 Verfahren zur Oberflächenveredelung einer Kartonbahn A method for surface processing of a board web |
| 01/22/2004 | DE10228134A1 Maschine zur Herstellung und Behandlung einer Materialbahn mit einer wenigstens ein Kontaktlos-Auftragswerk aufweisenden Auftragseinrichtung Machine for producing and treating a material web with at least one contactless applicator having applicator |
| 01/22/2004 | DE10228117A1 Maschine zur Behandlung einer Materialbahn vorzugsweise aus Papier und Karton sowie ggf. zur der Behandlung vorausgehenden Herstellung der Materialbahn, mit einer Kontaktlos-Auftragseinrichtung und einer Materialbahnglättungseinrichtung Machine for treating a material web, preferably made of paper and cardboard and possibly for the treatment preceding the preparation of the material web, with a contactless application device and a web smoothing device |
| 01/21/2004 | EP1382743A2 Apparatus for applying a liquid or pasty coating material onto a moving web, especially paper or board |
| 01/21/2004 | EP1382742A2 Apparatus and process for impregnating a web of paper or board |
| 01/20/2004 | US6680086 Method for making paper, assembly for implementing the method and paper product produced by the method |
| 01/20/2004 | US6680084 Formation of oriented multilayer polymeric films |
| 01/20/2004 | US6679972 Easier removal of lignin from fibers |
| 01/15/2004 | WO2004005617A1 Triazinylaminostilbene disulphonic acid mixtures |