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)
05/2014
05/06/2014	CA2611272C Method of producing a fibrous web comprising a filler
12/2013
12/31/2013	CA2623949C Method for manufacturing a blade and a blade
11/2013
11/12/2013	CA2632686C Doctor blade for the roll of a paper or board machine and method for manufacturing the doctor blade
08/2013
08/13/2013	CA2575408C Beam construction and method for manufacturing the same
07/2013
07/02/2013	US8475629 Coating compositions comprising alkyl ketene dimers and alkyl succinic anhydrides for use in paper making
04/2013
04/04/2013	DE112004001664B4 Papier- / Kartonbahnstreichvorrichtung Paper / board web coater
02/2013
02/07/2013	DE112005000426B4 Verfahren zum Streichen einer Papier-/Kartonbahn mit einer Vorhangstreicheinrichtung Method for coating a paper / board web with a curtain coater
02/06/2013	CN101864690B Coating compositions comprising alkyl ketene dimers and alkyl succinic anhydrides for use in paper making
02/06/2013	CN101087694B Printing paper and a method for the production thereof
12/2012
12/18/2012	US8333872 Coating compositions comprising alkyl ketene dimer and alkyl succinic anhydrides for use in paper making
11/2012
11/22/2012	US20120291972 Coating compositions comprising alkyl ketene dimers and alkyl succinic anhydides for use in paper making
11/13/2012	US8308908 Blade, structural components of a blade, and method for manufacturing a blade and the structural components of a blade
10/2012
10/11/2012	US20120255620 Method and apparatus for feeding chemical into a liquid flow
08/2012
08/07/2012	US8236136 Coating compositions comprising alkyl ketene dimers and alkyl succinic anhydrides for use in paper making
07/2012
07/18/2012	EP1817461B1 Method of making surface-sized paper/board
07/11/2012	CN101331013B Blade, structural components op a blade, and method for manufacturing a blade and the structural components of a blade
06/2012
06/27/2012	EP1928644B1 Blade and method for manufacturing a blade
05/2012
05/29/2012	CA2502102C Coating compositions comprising alkyl ketene dimers and alkyl succinic anhydrides for use in paper making
05/16/2012	EP1851381B1 A curtain coating method and a device for applying the same
03/2012
03/28/2012	CN101321914B Rod cradle, insert to be used in a rod cradle, and method for inserting a rod in a rod cradle
03/07/2012	EP1805362B1 Method and apparatus for separating impurities from machine circulation of coating station
02/2012
02/08/2012	EP1711148B1 Apparatus and method for manufacturing an absorbent core
02/01/2012	EP1828475B1 Method and apparatus for processing a fibre web
01/2012
01/19/2012	US20120012268 Blade, structural components of a blade, and method for manufacturing a blade and the structural components of a blade
11/2011
11/15/2011	CA2555879C Procedure and apparatus in dry forming of fibre layer
11/08/2011	US8052844 Blade, structural components of a blade, and method for manufacturing a blade and the structural components of a blade
10/2011
10/12/2011	EP1738024B1 Protecting device for spraying equipment and method of protecting it and its surroundings
09/2011
09/22/2011	US20110226432 Method and apparatus for feeding chemicals into a process liquid flow
09/20/2011	CA2540618C Cross-linked cellulose fibers and method of making same
09/15/2011	US20110220306 Coating compositions comprising alkyl ketene dimer and alkyl succinic anhydrides for use in paper making
09/07/2011	EP2363297A2 Security element for documents, bank notes, security paper and the like
06/2011
06/08/2011	CN1886556B Cross-linked cellulose fibers and method of making same
05/2011
05/25/2011	CN1860160B Porous filler or coating pigment of paper and cardboard and a method of manufacturing it
05/24/2011	US7947203 Procedure and apparatus in dry forming of fibre layer
05/18/2011	CN101010460B Beam construction and method for manufacturing the same
05/17/2011	US7943012 Protecting device for spraying equipment and method of protecting it and its surroundings
05/17/2011	US7943010 Method of making surface-sized paper/board
05/03/2011	US7935179 Method and arrangement for exhausting gas from a coating material
03/2011
03/15/2011	CA2474332C Improvements in methods of manufacturing substrates
02/2011
02/15/2011	US7887872 Method and apparatus for separating impurities from machine circulation of coating station
12/2010
12/08/2010	CN101040087B Method of making surface-sized paper/board
12/07/2010	US7846553 Gypsum board coating, gypsum board and cardboard-coated gypsum board production method
10/2010
10/26/2010	CA2554928C Protecting device for spraying equipment and method of protecting it and its surroundings
10/26/2010	CA2534348C Improved creping aid composition and methods for producing paper products using that system
10/20/2010	CN101864690A Coating compositions comprising alkyl ketene dimers and alkyl succinic anhydrides for use in paper making
10/06/2010	CN1764755B Coating compositions comprising alkyl ketene dimers and alkyl succinic anhydrides for use in paper making
08/2010
08/11/2010	CN101171065B Method and arrangement for exhausting gas from a coating material
07/2010
07/07/2010	CN101023216B Method and apparatus for separating impurities from machine circulation of coating station
06/2010
06/17/2010	US20100147478 Coating compositions comprising alkyl ketene dimers and alkyl succinic anhydrides for use in paper making
05/2010
05/04/2010	US7707800 Beam construction and method for manufacturing the same
04/2010
04/20/2010	US7700027 Creping aid composition and methods for producing paper products using that system
04/13/2010	US7694646 Paper/board web coating apparatus
04/06/2010	US7691234 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
03/2010
03/23/2010	US7683126 Creping aid composition and methods for producing paper products using that system
12/2009
12/09/2009	EP1789201B1 Method and apparatus for feeding chemical into a liquid flow
09/2009
09/03/2009	US20090221205 Doctor Blade for the Roll of a Paper or Board Machine and Method for Manufacturing the Doctor Blade
08/2009
08/27/2009	US20090211720 Composite Materials, Method for Their Preparation, and Use in Paper and Board Manufacturing
07/2009
07/16/2009	US20090181176 Method and Apparatus for Separating Impurities from Machine Circulation of Coating Station
07/15/2009	EP1689510B1 Fiber-fiber composites
07/01/2009	EP2075373A1 Arrangement and method for processing a fibre web
06/2009
06/24/2009	CN100503696C Pigment and filler and a method of manufacturing it
05/2009
05/21/2009	US20090126891 Method for Coating Cellulose Particles, Coated Cellulose Particles, and Use Thereof In Paper and Board production
05/07/2009	US20090114356 Method of Producing a Fibrous Web
04/2009
04/14/2009	US7517407 Cooling system and method for a paper coating device in a papermaking apparatus
03/2009
03/26/2009	US20090078385 Procedure and apparatus in dry forming of fibre layer
03/05/2009	US20090056893 Creping aid composition and methods for producing paper products using that system
02/2009
02/11/2009	CN101365842A Doctor blade for the roll of a paper or board machine and method for manufacturing the doctor blade
01/2009
01/22/2009	US20090020249 Coating compositions comprising alkyl ketene dimers and alkyl succinic anhydrides for use in paper making
12/2008
12/24/2008	CN101331013A Blade, structural components op a blade, and method for manufacturing a blade and the structural components of a blade
12/16/2008	CA2520226C High ph treatment of pulp in a bleach sequence to produce pulp having low d.p. and low copper number for use in lyocell manufacture
12/10/2008	CN101321914A Rod cradle, insert to be used in a rod cradle, and method for inserting a rod in a rod cradle
12/04/2008	US20080295987 Method of Making Surface-Sized Paper/Board
12/03/2008	CN100438843C Apparatus and method for manufacturing an absorbent core
11/2008
11/18/2008	CA2520236C Low ph treatment of pulp in a bleach sequence to produce pulp having low d.p. and low copper number for use in lyocell manufacture
10/2008
10/28/2008	CA2480891C Pulp flaker
10/02/2008	US20080235960 Blade, Structural Components of a Blade, and Method For Manufacturing a Blade and the Structural Components of a Blade
09/2008
09/30/2008	US7429309 Wax-free furnish deposited on wire and dewatered; may contain acrylic acid
09/25/2008	US20080230194 Supplying mixture of retention chemical and adjuvants; concurrent spraying feeding filler and paper pulp
08/2008
08/27/2008	EP1960597A1 Doctor blade for the roll of a paper or board machine and method for manufacturing the doctor blade
07/2008
07/10/2008	US20080166488 Method and Arrangement for Exhausting Gas from a Coating Material
07/09/2008	CN101218395A Method for coating cellulose particles, coated cellulose particles, and use thereof in paper and board production
07/03/2008	DE112006002157T5 Verfahren und Anordnung zur Verbesserung der Verwendbarkeit einer gleitbeschickten Vorhangstreicheinrichtung und zur Verringerung des Verlustes von Streichwerkstoffen Method and apparatus for improving the usability of a gleitbeschickten curtain coater and reduce the loss of coating materials
06/2008
06/18/2008	CN101203644A Method of producing a fibrous web
06/12/2008	US20080135196 Protecting Device For Spraying Equipment and Method of Protecting it and Its Surroundings
06/11/2008	EP1928644A1 Blade, structural components op a blade, and method for manufacturing a blade and the structural components of a blade
06/05/2008	US20080128103 Paper, board, fiber web; mixture is spread from spray nozzles onto both sides of the web before it enters the press nip; sizing, pigmentation, coating; processing of a web by calendering
05/2008
05/29/2008	US20080124499 Printing Paper and a Method for the Production Thereof
05/08/2008	DE112006001518T5 Verfahren und Anordnung zur Herstellung von Papier Method and arrangement for manufacturing paper
04/2008
04/30/2008	CN101171065A Method and arrangement for exhausting gas from a coating material
03/2008
03/19/2008	EP1899533A1 Method for coating cellulose particles, coated cellulose particles, and use thereof in paper and board production
03/06/2008	US20080057346 Gypsum Board Coating, Gypsum Board and Cardboard-Coated Gypsum Board Production Method
03/05/2008	EP1893807A1 Method of producing a fibrous web
02/2008
02/28/2008	DE112006000898T5 Vorrichtung und Verfahren zum Handhaben einer Klinge, insbesondere einer ausgemusterten Abstreif- oder Streichklinge Apparatus and method for handling a blade, especially a retired stripping or coating blade
02/21/2008	US20080044618 Method and Apparatus for Coating a Substrate and Printed Matter
02/21/2008	US20080041011 Beam Construction And Method For Manufacturing The Same
02/20/2008	EP1701986B1 Process for producing a fibre composition
02/14/2008	DE102005032988B4 Kühlsystem und -verfahren für eine Papierbeschichtungsvorrichtung einer Papierbeschichtungsapparatur Cooling system and method for a paper coating apparatus of a paper coating apparatus
02/13/2008	EP1885467A2 Method and arrangement for exhausting gas from a coating material
01/2008
01/09/2008	EP1689510A4 Fiber-fiber composites
01/03/2008	US20080001011 Pulp flaker

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