| Patents for D21H 23 - Processes or apparatus for adding material to the pulp or to the paper (8,452) |
|---|
| 05/26/1998 | US5756156 Method for producing surface-treated paper and dry end of a paper machine |
| 05/26/1998 | US5755930 Production of filled paper and compositions for use in this |
| 05/22/1998 | WO1998021408A1 Dual feed flow system apparatus for a paper web coater |
| 05/20/1998 | EP0842615A1 Method for controlling the permeability of a paper |
| 05/19/1998 | US5753078 Method of making surface coated or impregnated paper or paperboard |
| 05/14/1998 | WO1998020202A1 Method and arrangement for coating a moving paperboard web |
| 05/13/1998 | EP0840825A1 Rod holder with separate positionable contact elements for rod metering |
| 05/12/1998 | US5749972 Apparatus for the application of at least one liquid medium onto a moving material web |
| 05/07/1998 | WO1998019010A1 Tissue paper containing cationic amidoamine compounds |
| 05/07/1998 | CA2267151A1 Tissue paper containing cationic amidoamine compounds |
| 05/05/1998 | US5747107 Polymer coatings on substrates, rolling cylinders, die extrusions and cylinders then rolling |
| 04/30/1998 | WO1998017863A1 Method and device for coating a paper web |
| 04/30/1998 | DE19643742A1 Verfahren und Vorrichtung zum Beschichten einer Papierbahn Method and apparatus for coating a paper web |
| 04/29/1998 | EP0838551A1 Method and assembly for coating a moving web of paper or paperboard |
| 04/29/1998 | EP0838550A2 Method of retention aid addition for improved paper board production |
| 04/29/1998 | EP0703858A4 Three dimensional macroscopic assemblages of randomly oriented carbon fibrils and composites containing same |
| 04/25/1998 | CA2219332A1 Method of retention aid program addition for improved paper board production |
| 04/23/1998 | WO1998016570A1 Paper making method employing bag with hot melt sealed closure |
| 04/22/1998 | EP0707673B1 Production of paper |
| 04/21/1998 | US5741550 Coating a surface with a mixture from a slot-orifice applicator |
| 04/15/1998 | EP0835957A2 A method of forming a paper web |
| 04/15/1998 | EP0617748B1 Lining material, method for coating a material for producing a lining |
| 04/15/1998 | CN1179193A Method for enhancing bulk softeness of tissue paper and product therefrom |
| 04/09/1998 | WO1998014326A1 Polymer composition |
| 04/08/1998 | EP0834618A2 Coated cardboard |
| 04/08/1998 | EP0833872A1 Swollen starches as papermaking additives |
| 04/07/1998 | US5736204 Compostable packaging for containment of liquids |
| 04/07/1998 | US5735957 Dual chamber film applicator with in-pond overflow |
| 04/07/1998 | US5735956 Applicator for coating a traveling fiber web |
| 04/01/1998 | EP0832324A1 Method for making heat-stable paper |
| 03/31/1998 | US5733608 Method and apparatus for applying thin fluid coating stripes |
| 03/26/1998 | WO1998012384A1 Method of enhancing strength of paper products and the resulting products |
| 03/26/1998 | WO1998011999A1 Procedure and apparatus for transferring of addition to the surface of a movable material web |
| 03/26/1998 | DE19735149A1 Application of coating to surface |
| 03/26/1998 | CA2266348A1 Procedure and apparatus for transferring of addition to the surface of a movable material web |
| 03/25/1998 | EP0831177A2 Hydrophilic dispersion polymers for paper applications |
| 03/25/1998 | EP0830123A1 Apparatus and method of making a paper applicator containing a water-insoluble coating and the applicator itself |
| 03/24/1998 | US5731080 Highly loaded fiber-based composite material |
| 03/18/1998 | EP0829575A1 Process and device for direct or indirect application of liquid or pasty media on a running material web |
| 03/18/1998 | EP0828890A1 Paper finishing process using polyisocyanates with anionic groups |
| 03/18/1998 | CN1176326A Method and apparatus for controllig spetral reflectance of material |
| 03/11/1998 | EP0740686A4 Papermaking compositions, process using same, and paper produced therefrom |
| 03/05/1998 | DE19634448A1 Fluid or paste application method |
| 03/04/1998 | EP0826825A2 Coating device for applying directly or indirectly a fluid or pasty coating colour onto a moving web, especially of paper or board |
| 03/04/1998 | EP0826824A2 Coating device for applying directly or indirectly a fluid or pasty coating colour onto a moving web, especially of paper or board |
| 03/04/1998 | EP0826088A1 Hydrostatic shear inducing short dwell coater |
| 02/28/1998 | CA2214225A1 Improved paper for corrugating medium |
| 02/26/1998 | DE19735980A1 Paper coating process using lacquer curtain |
| 02/25/1998 | EP0825298A2 Method of simultaneously coating the upper and lower sides of a paper substrate |
| 02/25/1998 | EP0590007B1 Applying a fluoropolymer film to a body |
| 02/25/1998 | CN1174612A Method and apparatus for applying thin fluid coating stripes |
| 02/25/1998 | CN1174583A Soft and creped tissue paper |
| 02/25/1998 | CN1174524A Method and apparatus for coating substrates using air knife |
| 02/24/1998 | US5720816 Reverse feed film applicator |
| 02/24/1998 | US5720812 Coating apparatus and method to directly or indirectly apply a liquid or pasty medium onto a moving layer of material |
| 02/20/1998 | CA2212141A1 Metering coatings |
| 02/19/1998 | WO1998006899A1 Compositions for coating sheet materials |
| 02/19/1998 | WO1998006504A1 Vortex-free coating device for traveling webs |
| 02/19/1998 | CA2263752A1 Compositions for coating sheet materials |
| 02/19/1998 | CA2262485A1 Vortex-free coating device for traveling webs |
| 02/11/1998 | EP0823509A2 Device for paper coating |
| 02/11/1998 | EP0823006A1 Metering rod coaters |
| 02/10/1998 | US5716692 Lotioned tissue paper |
| 02/04/1998 | EP0822291A2 Distribution apparatus with a ditributing pipe for a coating device |
| 02/04/1998 | CN1172516A Soft tissue paper containing an oil and polyhydroxy compound |
| 02/03/1998 | US5715158 Method and apparatus for controlling an extended process |
| 01/29/1998 | WO1998003731A1 Internally sized cellulosic products and method for making same |
| 01/29/1998 | CA2260884A1 Internally sized cellulosic products and method for making same |
| 01/28/1998 | EP0821102A2 Apparatus for applying directly a fluid or pasty material onto a moving web, especially of paper or paperboard |
| 01/28/1998 | EP0820546A1 Method in film transfer coating and equipment intended for carrying out the method |
| 01/27/1998 | US5712489 Web flutter detection |
| 01/21/1998 | EP0665916B1 Modification of porous materials |
| 01/21/1998 | EP0613510B1 Process for making a structure having controlled water resistance |
| 01/20/1998 | US5709776 Electrostatic spraying with isocyanate and alcohol |
| 01/15/1998 | WO1998001623A1 Process for producing paper and cardboard |
| 01/15/1998 | WO1998001622A1 Process for improving printing paper |
| 01/15/1998 | DE19627669A1 Verfahren zur Verbesserung von Druckpapieren A method of improving print papers |
| 01/15/1998 | DE19627553A1 Verfahren zur Herstellung von Papier und Karton A process for the production of paper and cardboard |
| 01/15/1998 | DE19627489A1 Web coating applicator |
| 01/15/1998 | DE19627470A1 Web coating applicator for use in coating web of paper or fabric |
| 01/15/1998 | DE19627456A1 Coater for use in web products, especially paper or paper board |
| 01/13/1998 | US5707494 Papermaking |
| 01/08/1998 | DE19626610A1 Single-sided coating of a web product, especially paper or paperboard |
| 01/07/1998 | EP0816562A2 Method and apparatus for impregnating a porous substrate with a solids-bearing saturant |
| 01/07/1998 | EP0814918A2 Methods and apparatus for controlled placement of a polymer composition into a web |
| 12/30/1997 | US5702765 Method of applying a film of coating material to a paper web including successive doctoring steps |
| 12/30/1997 | US5702760 Process for coating running webs |
| 12/26/1997 | CA2208768A1 Method and apparatus for impregnating a porous substrate with a solids-bearing saturant |
| 12/23/1997 | US5700352 Process for including a fine particulate filler into tissue paper using an anionic polyelectrolyte |
| 12/18/1997 | WO1997047810A1 Method of making coated or impregnated paper or paperboard |
| 12/18/1997 | WO1997047809A1 Chemically enhanced multi-density paper structure and method for making same |
| 12/18/1997 | CA2256744A1 Method of making coated or impregnated paper or paperboard |
| 12/17/1997 | EP0812958A1 Device for the application of two layers, in successive order, of liquid or pasty media on one side of a running material web |
| 12/17/1997 | EP0812957A1 Process and device for coating of a running material web |
| 12/11/1997 | WO1997046381A1 Paper coated with polylactide and a method for making it |
| 12/10/1997 | EP0811829A2 Method and apparatus for controlling the spectral reflectance of a material |
| 12/10/1997 | EP0811719A1 Coating composition for paper and paper boards containing starch and smectite clay |
| 12/10/1997 | CN2270072Y Paper dyeing machine |
| 12/09/1997 | US5695871 Reduction of openness of material |
| 12/09/1997 | US5695609 Adding filler to aqueous fiber suspension, adding cationic long-chain polyacrylamide, shearing, adding a (polymeric) aluminum salt to form aluminum hydroxy anionic particles in situ, forming into sheets and dewatering |