Patents
Sitemap › D21 - Paper-making; Production of cellulose › 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 › D21H 23 - Processes or apparatus for adding material to the pulp or to the paper
Patents for D21H 23 - Processes or apparatus for adding material to the pulp or to the paper (8,452)
12/1999
12/16/1999WO1999055962A3 A process for the production of paper
12/15/1999EP0963488A1 Paper coating apparatus and method for coating paper
12/15/1999EP0963487A1 Wet end starch application
12/15/1999EP0963486A1 Composition containing humidity regulators, for tissue products
12/15/1999EP0656969B1 Crosslinked cellulose products and method for their preparation
12/15/1999CN1238819A Production of paper and paper board
12/14/1999US6001490 Base paper coated with a pigment on a single side and impregnated with a resin on the opposite side, containing an aqueous mixture of melamine resin, phenolic resin, urea resin, and glyoxal resin; good surface properties
12/14/1999US6001179 Coating medium applicator with guide surface
12/09/1999WO1999063159A1 Method for making paper and cardboard and retention and dewatering agents
12/09/1999WO1999063158A1 Soft tissue having temporary wet strength
12/09/1999DE19824804A1 Coating system for one or both sides of a moving paper web
12/08/1999EP0485498B2 Treatment of fibrous materials
12/08/1999CN1238019A Manufacture of paper
12/07/1999US5997692 Added to paper fibers to improve strength.
12/07/1999US5997646 Apparatus for direct or indirect application of a liquid or pasty coating medium onto a traveling material web, notably of paper or cardboard
12/02/1999WO1999061703A1 Use of colloidal precipitated calcium carbonate as a filler in the preparation of paper
12/01/1999EP0960980A1 Method and arrangement for feeding a web treating agent to a paper or board web processing apparatus
12/01/1999EP0960236A1 Lumen loading of mineral filler into cellulose fibers for papermaking
12/01/1999EP0738345B1 A process for making a paper based product containing a binder
12/01/1999EP0703834B1 Coating device
11/1999
11/30/1999US5993604 Internally sized articles and method for making same
11/30/1999US5993548 Fiber web processing machine having a spreading device with a support beam
11/30/1999US5992040 Drying section apparatus
11/25/1999WO1999060210A1 Applicator apparatus and method for film-transfer coating
11/25/1999WO1999060209A1 Polymer composition for improved retention, drainage and formation in papermaking
11/25/1999WO1999059808A1 Method for producing paper-based composites and wet-adhesive materials
11/25/1999DE19822505A1 System to apply a liquid or paste coating to the surface of a moving web
11/25/1999CA2332249A1 Applicator apparatus and method for film-transfer coating
11/25/1999CA2272524A1 Method and arrangement for feeding a web treating agent to a paper or board web processing apparatus
11/23/1999US5989714 Synthetic mineral microparticles
11/18/1999WO1999049905A3 Improved process to make a wet-laid absorbent structure
11/18/1999DE19921331A1 Preparation of paper composite using hot-melt adhesive
11/18/1999DE19821820A1 Wet stack calender for processing cardboard web
11/18/1999DE19821771A1 Applicator to coat surface of moving web with liquid or paste coating
11/18/1999DE19821446A1 Assembly to apply a liquid or paste coating to the surfaces of a moving paper or cardboard web
11/17/1999EP0956950A1 Method and device for active suppression of contact vibrations in roll arrangements
11/17/1999EP0956385A1 Process for bonding fibrous web
11/16/1999US5985439 Transfer belt for applying adhesive and a process for manufacturing the same
11/16/1999US5985030 Wet end starch application
11/11/1999DE19823740A1 Coating wet web of paper or cardboard
11/11/1999DE19823739A1 Paper or card coating unit which applies fluid or viscous liquid to wet web
11/11/1999DE19823738A1 Dampfapplikator Dampfapplikator
11/11/1999DE19823723A1 Process to apply a liquid or paste coating to the surface of a wet paper or cardboard web
11/11/1999DE19820585A1 Auftragsverfahren und -vorrichtung Application method and apparatus
11/11/1999DE19820432A1 Verfahren und Vorrichtung zum Aufbringen eines Auftragsmediums auf einen laufenden Untergrund Method and apparatus for applying a coating medium to a moving substrate
11/10/1999EP0955408A2 Process and apparatus for applying a coating onto a moving basis
11/10/1999EP0955407A1 Method of and device for application
11/09/1999US5980919 Emollient compositions and methods of application to a substrate by electrostatic spraying
11/09/1999US5980634 Coating applicator with blade shaping
11/08/1999CA2271186A1 Device and process for application of a medium onto a material web
11/04/1999WO1999055966A1 Method and arrangement for coating a moving web
11/04/1999WO1999055965A1 A process for the production of paper
11/04/1999WO1999055964A1 A process for the production of paper
11/04/1999WO1999055962A2 A process for the production of paper
11/04/1999WO1999055961A1 Slatted collimator
11/03/1999EP0953680A1 A process for the production of paper
11/03/1999EP0953679A1 Paper strengthening agent and paper strengthening method
11/02/1999US5976635 Supplying stream of coating mix; vibration; atomizing
11/02/1999US5976322 Increasing retention of natural starch by dissolving in to starch water a basic aluminum polychloride which may contain sulfate ions.
10/1999
10/28/1999WO1999054741A1 Paper stock zeta potential measurement and control
10/28/1999WO1999054548A1 Paper size dispersions
10/28/1999DE19817805A1 Hardening bonding layer production process for bonding layer with pull-off surface layer
10/28/1999CA2328872A1 Paper size dispersions
10/27/1999CN1233304A Compositions for coating sheet materials
10/26/1999US5972167 High gloss, smoothness, printability
10/26/1999CA2159593C Process of making paper
10/21/1999DE19903559A1 Extremely high-speed falling liquid film paper coating machine
10/20/1999EP0950138A1 Processes of making paper and materials for use in this
10/20/1999EP0950137A1 Controlled coverage additive application to paper tissue
10/19/1999US5968538 Substrates with coatings using polyvinylpyrrolidone-iodine complex
10/19/1999US5968316 Alkaline finish paper with zeolite type a and water dispersion
10/19/1999US5968270 Apparatus for decreasing skip coating on a paper web
10/19/1999US5968269 Coater with multi-part and multi-use profile bar assembly
10/14/1999WO1999051817A1 Use of fluorescence in pulp or papermaking process control
10/14/1999WO1999051811A2 Water weight sensor array imbedded in a sheetmaking machine roll
10/14/1999WO1999051431A1 Water dispersible/redispersible hydrophobic polyester resins and their application in coatings
10/14/1999WO1999051430A1 Water dispersible/redispersible hydrophobic polyester resins and their application in coatings
10/14/1999DE19816337A1 Vorrichtung zum direkten oder indirekten, ein- oder beidseitigen Auftragen eines flüssigen oder pastösen Mediums auf eine laufende Oberfläche Apparatus for directly or indirectly, one or two-sided application of a liquid or pasty medium to a moving surface
10/14/1999CA2327294A1 Water dispersible/redispersible hydrophobic polyester resins and their application in coatings
10/13/1999EP0949380A2 Apparatus for applying directly or indirectly a fluid or pasty medium onto one or both sides of a moving surface
10/13/1999EP0948678A1 Method and device for applying a medium on a running web of material
10/13/1999EP0948677A1 Method for producing paper
10/07/1999WO1999050501A1 Device for applying a coating substance to a continuous paper web
10/07/1999WO1999050500A1 Improving retention and drainage in alkaline fine paper
10/07/1999WO1999049905A2 Improved process to make a wet-laid absorbent structure
10/07/1999DE19825156C1 Vorrichtung zum Auftragen einer Beschichtungsmasse auf eine durchlaufende Papierbahn Apparatus for applying a coating material on a continuous paper web
10/07/1999DE19814689A1 Paper-coating machine having micro-roughened transfer roller, avoiding perfect smoothness advocated in prior art
10/07/1999DE19814491A1 Blockage prevention method for dosing gap of spray nozzle appliance
10/07/1999DE19814490A1 Stoppage avoiding method for nozzle, especially for paper web or cardboard in applying glue, pigments or coatings with color stripes, through fountain applicator
10/06/1999EP0946820A1 Method and device for conducting a process in the production of paper
10/06/1999EP0946815A1 Means and device for conducting a process in the production of fibrous material from wood
10/06/1999EP0946665A1 Paper compound material with repulp-resistant adhesive coating
10/06/1999CN1231010A Method of enhancing strength of paper products and resulting products
09/1999
09/29/1999EP0944827A1 Electromagnetic field perturbation sensor and methods for measuring water content in sheetmaking systems
09/29/1999EP0944439A1 Coating blade
09/29/1999EP0944438A1 Coating blade
09/28/1999US5958513 Apparatus designed so that changing the coating angle or blade angle and pressure of the finish-dosing apparatus is easily accomplished by adjusting the length of one or both support bars and the at least one prop bar
09/28/1999US5958188 Processes of making paper
09/28/1999US5958187 Biodegradable tissue paper
09/27/1999CA2264348A1 Improved process to make a wet-laid absorbent structure
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