| Patents for D21H 23 - Processes or apparatus for adding material to the pulp or to the paper (8,452) |
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| 01/14/1997 | CA2081082C Sized paper, process for producing same and use thereof |
| 01/14/1997 | CA2014089C Apparatus and method for making pressboard from poly-coated paper using relative movement of facing webs |
| 01/09/1997 | WO1997000921A1 Swollen starches as papermaking additives |
| 01/08/1997 | EP0752497A2 Apparatus for applying a fluid material onto a web |
| 01/08/1997 | EP0752496A2 A process for the production of paper |
| 01/03/1997 | WO1997000356A1 Method for making heat-stable paper |
| 01/03/1997 | WO1996030432A3 Methods and apparatus for controlled placement of a polymer composition into a web |
| 12/31/1996 | US5589659 Control over excess coating composition in coating device for traveling paper web |
| 12/31/1996 | US5588998 Jet coating apparatus |
| 12/27/1996 | EP0749509A1 Process for applying a thin film containing low levels of a functional-polysiloxane and a nonfunctional-polysiloxane to tissue paper |
| 12/27/1996 | EP0749508A1 Improved paper making process |
| 12/19/1996 | WO1996040032A1 Apparatus and method of making a paper applicator containing a water-insoluble coating and the applicator itself |
| 12/19/1996 | DE19532388C1 Appts for coating moving paper or cardboard web |
| 12/19/1996 | CA2221042A1 Apparatus and method of making a paper applicator containing a water-insoluble coating and the applicator itself |
| 12/18/1996 | EP0748897A2 A process for the production of paper |
| 12/18/1996 | CN1138357A Continuous adjustable backing bar for profiling coater blade |
| 12/05/1996 | WO1996038629A1 Paper finishing process using polyisocyanates with anionic groups |
| 12/05/1996 | DE19622080A1 Coating device for photographic emulsions, magnetic substances etc. on paper contg. ink or pigment |
| 12/05/1996 | DE19520092A1 Verfahren zur Papierveredlung unter Verwendung von Polyisocyanaten mit anionischen Gruppen Method for finishing paper using polyisocyanates having anionic groups |
| 12/05/1996 | CA2222731A1 Paper finishing process using polyisocyanates with anionic groups |
| 11/27/1996 | EP0744108A1 Signalling method and structure suitable for out-of-band information transfer in communication network |
| 11/27/1996 | EP0743996A1 Paper coating device |
| 11/26/1996 | US5578168 Aqueous suspensions of poly(ethylene oxide) useful as retention aids in paper manufacture |
| 11/26/1996 | US5578125 Coating system for running webs of paper or cardboard |
| 11/21/1996 | WO1996036767A1 Hydrostatic shear inducing short dwell coater |
| 11/20/1996 | EP0743394A2 Method of paper sizing using modified cationic starch |
| 11/19/1996 | US5577069 Signalling method and structure suitable for out-of-band information transfer in communication network |
| 11/19/1996 | US5575893 Felt conditioner for deinked recycled newsprint papermaking system |
| 11/19/1996 | US5575891 Soft tissue paper containing an oil and a polyhydroxy compound |
| 11/18/1996 | CA2176875A1 Method of paper sizing using modified cationic starch |
| 11/12/1996 | US5573593 Coating apparatus for selectively coating either or both sides of a traveling paper web |
| 11/06/1996 | EP0740686A1 Papermaking compositions, process using same, and paper produced therefrom |
| 11/06/1996 | CN1135001A Process of manufacture for coloured fibre material, containing ceratain proportion of cellulose fibres |
| 11/06/1996 | CN1134997A Method for producing surface-treated paper and dry end of paper machine |
| 11/05/1996 | US5571379 Colloidal composition and its use in the production of paper and paperboard |
| 10/31/1996 | WO1996034148A1 Metering rod coaters |
| 10/31/1996 | CA2217246A1 Metering rod coaters |
| 10/30/1996 | EP0739708A2 Method and apparatus for making an embossed web |
| 10/29/1996 | US5569326 Device for applying and dosing liquid or pasty materials |
| 10/24/1996 | DE19524702C1 Coating device for applying liq or paste-form media to paper or board |
| 10/23/1996 | EP0738345A1 A process for making a paper based product containing a binder |
| 10/23/1996 | EP0656971B1 Process for applying chemical papermaking additives from a thin film to tissue paper |
| 10/22/1996 | US5567479 Doctor treatment, uniformity, smoothness |
| 10/22/1996 | CA2075893C Coating head for applying a coating suspension layer on a paper sheet |
| 10/22/1996 | CA2067506C Silica sols, a process for the production of the silica sols and use of the sols |
| 10/16/1996 | EP0663972B1 Process for making board |
| 10/09/1996 | EP0736121A1 Continuous adjustable backing bar for profiling coater blade |
| 10/09/1996 | EP0735925A1 Blade coating machine |
| 10/03/1996 | WO1996030591A1 Method for making paper |
| 10/03/1996 | WO1996030432A2 Methods and apparatus for controlled placement of a polymer composition into a web |
| 10/03/1996 | CA2190499A1 Method for making paper |
| 10/02/1996 | EP0735188A1 Process and apparatus for making a paper sheet having a CF-coat applied thereon |
| 10/02/1996 | EP0734473A1 Tissue paper treated with polyhydroxy fatty acid amide softener systems that are biodegradable |
| 10/02/1996 | EP0648289B1 Paper colouring apparatus |
| 10/02/1996 | DE19545182A1 Coated paper for printing made by steaming and calendering initially coated paper |
| 10/02/1996 | CN1132534A Method for reducing thermal and light-induced brightness reversion in lign in-containing pulps |
| 10/01/1996 | US5560962 Electrostatically applying dry particles of water-resistant biodegradable microbiologically produced polylactone to exterior surface of core having limited wet strength |
| 09/26/1996 | WO1996024719A3 Soft tissue paper containing an oil and a polyhydroxy compound |
| 09/26/1996 | DE19511049A1 Coating process for mfr. of CB-coated papers |
| 09/18/1996 | EP0731860A1 Assembly for a paper web coating line |
| 09/18/1996 | EP0485498B1 Treatment of fibrous materials |
| 09/17/1996 | US5556976 Forming wet and dry resilient cellulose fibers with high absorbency, bulk and wet and dry resiliency for paper towels, diapers and sanitary products |
| 09/17/1996 | CA2043989C Apparatus and a process for preventing stalagmite formation in the paper coating operation |
| 09/11/1996 | EP0731213A2 Process and plant for the treatment of coating colour during the application to a paper web |
| 09/10/1996 | CA2170929A1 Method and installation for treating paint when applied to a paper web |
| 08/28/1996 | EP0728241A1 Mechanism for directly or indirectly applying a liquid or pasty medium onto a moving strip of material |
| 08/28/1996 | EP0728240A1 Method of manufacturing a recyclable paper product |
| 08/28/1996 | EP0642613B1 Device for coating a web of paper or cardboard |
| 08/22/1996 | WO1996025557A1 Method for enhancing the bulk softness of tissue paper and product therefrom |
| 08/22/1996 | WO1996025219A1 Filter material for preparing a beverage |
| 08/22/1996 | CA2211734A1 Method for enhancing the bulk softness of tissue paper and product therefrom |
| 08/20/1996 | US5547701 Method of forming a paper applicator containing a water insoluble coating |
| 08/20/1996 | US5547509 Method and apparatus for continuous support of a paper web through a coating installation |
| 08/15/1996 | WO1996024719A2 Soft tissue paper containing an oil and a polyhydroxy compound |
| 08/14/1996 | EP0726357A1 Inhibiting anaerobic production of volatile fatty acids and hydrogen by bacteria |
| 08/14/1996 | EP0726353A2 Method for producing surface-treated paper and dry end of a paper machine |
| 08/08/1996 | WO1996024088A1 Method and apparatus for applying thin fluid coating stripes |
| 08/08/1996 | WO1996023599A1 Method and apparatus for coating substrates using an air knife |
| 08/08/1996 | CA2209945A1 Method and apparatus for coating substrates using an air knife |
| 08/08/1996 | CA2209919A1 Method and apparatus for applying thin fluid coating stripes |
| 08/08/1996 | CA2168593A1 Inhibiting anaerobic production of volatile fatty acids and hydrogen by bacteria |
| 08/07/1996 | EP0724666A1 Device for impregnating webs made of porous material |
| 07/25/1996 | WO1996022422A1 A coating apparatus |
| 07/24/1996 | EP0723047A2 Improving the strength of paper made from pulp containing surface active carboxyl compounds |
| 07/23/1996 | US5538596 Process of making paper |
| 07/23/1996 | US5538557 Short dwell coater apparatus |
| 07/23/1996 | US5538555 Indirect coating device with applicator for providing a uniform coating on an applicator roll |
| 07/17/1996 | EP0722011A1 Paper furnish composition and process for making tissue, newsprint, paper or paperboard |
| 07/17/1996 | EP0721531A1 Improvement in security features for paper |
| 07/16/1996 | US5536535 Process for producing a coated paper |
| 07/16/1996 | US5536314 Inking roller assembly for web printing |
| 07/14/1996 | CA2167024A1 Strength of paper made from pulp containing surface active, carboxyl compounds |
| 07/11/1996 | WO1996021061A1 Improved paper making process |
| 07/11/1996 | CA2166838A1 Cellulosic, modified lignin and anionic polymer composition and process for making improved tissue, newsprint, paper or paperboard |
| 07/09/1996 | US5534301 Method for producing cellulose insulation materials using liquid fire retardant compositions |
| 07/09/1996 | US5534114 Method and apparatus for applying a material to a web |
| 07/04/1996 | WO1996020310A1 Process of manufacture for a coloured fibre material, containing a certain proportion of cellulose fibres, such as paper and nonwoven, and a coloured fibre material manufactured according to the process |
| 07/04/1996 | CA2207998A1 Process of manufacture for a coloured fibre material, containing a certain proportion of cellulose fibres, such as paper and nonwoven, and a coloured fibre material manufactured according to the process |
| 07/03/1996 | EP0719893A2 Method for sizing paper with a rosin/hydrocarbon resin size |
| 07/03/1996 | EP0719892A2 Method for sizing paper |