D21H - Pulp compositions; Preparation thereof not covered by subclasses ,; Impregnating or coating of paper; Treatment of finished paper not covered by class or subclass; Paper not otherwise provided for

More topics under "D21H - Pulp compositions; Preparation thereof not covered by subclasses ,; Impregnating or coating of paper; Treatment of finished paper not covered by class or subclass; Paper not otherwise provided for" (93,685)
D21H 11 - Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only (5,468)
D21H 13 - Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material (4,906)
D21H 15 - Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution (1,361)
D21H 17 - Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution (19,322)
D21H 19 - Coated paper; Coating material (15,333)
D21H 21 - Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper impregnating or coating material, characterised by its function, form or properties (20,755)
D21H 23 - Processes or apparatus for adding material to the pulp or to the paper (8,452)
D21H 25 - After-treatment of paper not provided for in groups (4,291)
D21H 27 - Special paper not otherwise provided for, e.g. made by multi-step processes (13,797)

Patents for D21H - Pulp compositions; Preparation thereof not covered by subclasses ,; Impregnating or coating of paper; Treatment of finished paper not covered by class or subclass; Paper not otherwise provided for (487)
12/2007
12/18/2007	CA2206899C Procedure for the manufacture of paper
12/13/2007	US20070284070 Paper Manufacturing Process
12/12/2007	CN101087694A Printing paper and a method for the production thereof
12/05/2007	CN101084345A Method and apparatus for treating a fibre web
11/2007
11/28/2007	EP1858958A1 New composite materials, method for their preparation and use in paper and board manufacturing
11/28/2007	CN101080279A Method for removing an edge bank formed at the edge of a coated web in curtain coating effected as a dry edge coating process
11/21/2007	EP1855891A1 Printing paper and a method for the production thereof
11/07/2007	EP1851381A1 A curtain coating method and a device for applying the same
11/06/2007	US7291244 Pulp flaker
11/01/2007	US20070251888 Method and Apparatus for Feeding Chemical Into a Liquid Flow
10/2007
10/25/2007	US20070246179 Composites of Starch Containing Silicon, Method for the Production Thereof, and Use for Making Paper and Board
10/03/2007	EP1838456A1 Method for removing an edge bank formed at the edge of a coated web in curtain coating effected as a dry edge coating process
09/2007
09/19/2007	CN101040087A Method of making surface-sized paper/board
09/05/2007	EP1828477A1 Beam construction and method for manufacturing the same
09/05/2007	EP1828475A1 Method and apparatus for treating a fibre web
08/2007
08/23/2007	WO2007003697A8 Method for coating cellulose particles, coated cellulose particles, and use thereof in paper and board production
08/22/2007	EP1819769A1 Starch acetate composites, method for the production thereof, and use in paper and board production
08/22/2007	CN101023216A Method and apparatus for separating impurities from machine circulation of coating station
08/15/2007	EP1817461A1 Method of making surface-sized paper/board
08/08/2007	EP1816364A1 Coupling apparatus
08/01/2007	CN101010460A Beam construction and method for manufacturing the same
07/2007
07/11/2007	EP1805362A1 Method and apparatus for separating impurities from machine circulation of coating station
07/11/2007	CN1325280C Methods of manufacturing substrates and the produce from the method
07/05/2007	US20070151679 Method of producing fibre products
06/2007
06/28/2007	US20070143932 Process for producing a fibre compositions
06/27/2007	CN1989297A Composites of starch containing silicon, method for the production thereof, and use for making paper and board
06/20/2007	CN1982737A Coupling apparatus
06/14/2007	WO2007065974A1 Doctor blade for the roll of a paper or board machine and method for manufacturing the doctor blade
06/14/2007	US20070131370 Use of betuline as a filler in paper and board
06/14/2007	US20070131362 Process for producing a fibrous product
06/14/2007	US20070131166 Coupling apparatus
06/14/2007	CA2632686A1 Doctor blade for the roll of a paper or board machine and method for manufacturing the doctor blade
06/13/2007	EP1794364A1 Coated fibrous web and process for the production thereof
06/06/2007	EP1792012A2 Method and apparatus for feeding chemicals into a process liquid flow
06/06/2007	EP1792011A1 Gypsum board coating, gypsum board and cardboard-coated gypsum board production method
05/2007
05/30/2007	EP1789201A1 Method and apparatus for feeding chemical into a liquid flow
05/10/2007	DE112005001559T5 Verfahren und Vorrichtung zum Streichen eines Substrates und Drucksache Method and apparatus for coating a substrate and printed matter
04/2007
04/11/2007	CN1946901A Protecting device for spraying equipment and method of protecting it and its surroundings
04/05/2007	WO2007036606A1 Blade, structural components op a blade, and method for manufacturing a blade and the structural components of a blade
04/05/2007	CA2623949A1 Method for manufacturing a blade and a blade
04/04/2007	EP1769121A1 Curtain coater unit and curtain coating method
04/04/2007	CN1942630A Paper manufacturing process
03/2007
03/27/2007	US7195695 Treating cellulosic fibers with a caustic solution under non-mercerizing conditions, forming said caustic treated cellulosic fibers into a sheet; applying a polymeric carboxylic acid cross-linking agent, curing
03/14/2007	EP1761597A1 Composites of starch containing silicon, method for the production thereof, and use for making paper and board
03/13/2007	US7189776 Comprising anionic organic polymeric particles and colloidal anionic silica-based particles; papermaking
03/08/2007	US20070054068 Component for use in paper manufacture, its preparation and use
02/2007
02/22/2007	WO2007020332A1 Method and arrangement for improving the usability of a slide-fed curtain coater and reducing the loss of coating material
02/22/2007	WO2006134213A3 Method and arrangement for manufacturing paper
02/22/2007	WO2006128963A3 Method and arrangement for exhausting gas from a coating material
02/20/2007	US7179393 Methods of manufacturing substrates
02/14/2007	CN1913853A Apparatus and method for manufacturing an absorbent core
01/2007
01/24/2007	EP1135555B1 Paper making method using a novel retention system comprising a precipitated silica and a cationic polymer
01/24/2007	CN1901986A Fiber-fiber composites
01/18/2007	DE112005000532T5 Verfahren und Vorrichtung zum Aufbringen eines Beschichtungs- und/oder Verarbeitungsmittels auf eine Faserbahn Method and apparatus for applying a coating and / or processing agent to a fibrous web
01/11/2007	WO2007003697A1 Method for coating cellulose particles, coated cellulose particles, and use thereof in paper and board production
01/11/2007	DE112005000426T5 Verfahren zum Streichen einer Papier-/Kartonbahn mit einer Vorhangstreicheinrichtung Method for coating a paper / board web with a curtain coater
01/11/2007	CA2611780A1 Method for coating cellulose particles, coated cellulose particles, and use thereof in paper and board production
01/03/2007	EP1738024A1 Protecting device for spraying equipment and method of protecting it and its surroundings
12/2006
12/28/2006	WO2006136651A1 Method of producing a fibrous web
12/28/2006	CA2611272A1 Method of producing a fibrous web comprising a filler
12/27/2006	EP1735497A1 Paper manufacturing process
12/27/2006	CN1886556A Cross-linked cellulose fibers and method of making same
12/21/2006	WO2006134213A2 Method and arrangement for manufacturing paper
12/21/2006	WO2006134209A1 Method and apparatus for making a wear-resistant coating on a blade for the treatment of a paper web, and blade for the treatment of a paper web
12/21/2006	WO2006134207A1 Method and apparatus for making a wear-resistant coating on a coating blade or equivalent
12/07/2006	WO2006128963A2 Method and arrangement for exhausting gas from a coating material
12/06/2006	EP1601726A4 Coating compositions comprising alkyl ketene dimers and alkyl succinic anhydrides for use in paper making
11/2006
11/15/2006	CN1863847A Pigment and filler and a method of manufacturing it
11/08/2006	CN1860160A Porous filler or coating pigment of paper and cardboard and a method of manufacturing it
11/02/2006	US20060243200 Paper/board web coating apparatus
10/2006
10/25/2006	EP1713975A1 Procedure and apparatus in dry forming of fibre layer
10/19/2006	WO2006108922A1 Device and method for handling a blade, particularly a doctor or coating blade removed from service
10/19/2006	US20060231226 Coated base paper and a method for manufacturing coated base paper
10/18/2006	EP1711148A1 Apparatus and method for manufacturing an absorbent core
10/04/2006	EP1467873B1 METHOD OF MANUFACTURING SUBSTRATES,substrates obtainable thereby and security documents
09/2006
09/27/2006	EP1704281A1 Process for producing a fibrous product
09/21/2006	WO2006097571A1 New composite materials, method for their preparation and use in paper and board manufacturing
09/21/2006	CA2599423A1 New composite materials, method for their preparation and use in paper and board manufacturing
09/20/2006	EP1702107A2 Method of producing fibre products
09/20/2006	EP1701986A1 Process for producing a fibre composition
09/19/2006	CA2354647C Paper making method using a novel retention system comprising a precipitated silica and a cationic polymer
08/2006
08/31/2006	WO2006090008A1 A curtain coating method and a device for applying the same
08/16/2006	EP1689510A2 Fiber-fiber composites
08/09/2006	EP1688539A1 Coating composition
08/02/2006	CN1813106A Coated base paper and a method for manufacturing coated base paper
07/2006
07/27/2006	WO2006077277A1 Method for removing an edge bank formed at the edge of a coated web in curtain coating effected as a dry edge coating process
07/06/2006	US20060144546 Arrangement in an oscillator
06/2006
06/29/2006	WO2006067273A1 Printing paper and a method for the production thereof
06/29/2006	US20060142465 papermaking; adding to the fiber suspension a cationic polymer and an aqueous formulation comprising anionic organic polymeric particles (are obtainable by polymerizing ethylenically unsaturated monomers with branching agent and crosslinkers) and colloidal anionic silica-based particles
06/22/2006	DE112004001664T5 Papier-/Kartonbahnstreichvorrichtung Paper / board web coater
06/21/2006	CN1791721A A component for use in paper manufacture, its preparation and use
06/15/2006	WO2006061460A1 Starch acetate composites, method for the production thereof, and use in paper and board production
06/14/2006	EP1668182A2 Cross-linked cellulose fibers and method of making same
06/14/2006	DE112004001436T5 Verfahren und Vorrichtung zum Ablagern von Kalziumkarbonat in einem Fasermaterial Method and apparatus for depositing of calcium carbonate in a fiber material
06/08/2006	WO2006058963A1 Method of making surface-sized paper/board
06/08/2006	WO2006058961A1 Method and apparatus for treating a fibre web
06/08/2006	CA2584662A1 Method of making surface-sized paper/board
05/2006
05/04/2006	WO2006003242A3 Method and apparatus for coating a substrate and printed matter
05/03/2006	EP1651815A2 Improved creping aid composition and methods for producing paper products using that system
04/2006
04/26/2006	CN1764755A Coating compositions comprising alkyl ketene dimers and alkyl succinic anhydrides for use in paper making

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