| Patents for 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) |
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| 06/03/1999 | CA2310461A1 Inorganic pigments containing pigment preparations |
| 06/02/1999 | EP0919664A1 Very white transparent or translucent paper, and process for making the same |
| 06/02/1999 | EP0919596A1 Disazo dyes |
| 06/02/1999 | EP0919578A1 Polymers suitable for paper making additives and process of manufacturing them |
| 06/02/1999 | DE19753212A1 Verfahren zur Masseleimung von Papier, Pappe und Karton A method for sizing of paper and cardboard |
| 06/02/1999 | CN1218060A Paper strength agents containing acrylamide polymers |
| 06/02/1999 | CN1218059A Paper strength agents containing acrylamide polymers |
| 06/02/1999 | CN1043537C Aqueous suspensions of colloidal particles, preparation and use of the suspensions |
| 06/01/1999 | US5908707 Emulsion is sufficiently brittle that it ruptures when subjected to low shear pressures during use to release the dispersed polar phase. |
| 06/01/1999 | CA2133067C Soft absorbent tissue paper containing a biodegradable quaternized amine-ester softening compound and a temporary wet strength resin |
| 05/27/1999 | WO1999025924A1 Liquid absorbent base web |
| 05/27/1999 | DE19751448A1 Pigment preparation e.g. for paper, plastic or automobile paint |
| 05/26/1999 | EP0918104A1 A papermaking process and a cationic chemical |
| 05/26/1999 | EP0917553A1 Pitch control composition based on blend of derivatized cationic guar and styrene maleic anhydride copolymer |
| 05/26/1999 | EP0819193B1 Paper sizing agent mixtures |
| 05/26/1999 | EP0670931B1 Paper products containing a chemical softening composition |
| 05/26/1999 | CN2320652Y Coated paper for mercuryless and cadmiumless cell |
| 05/26/1999 | CN1217226A Method for limiting air to be catched in paper-making process |
| 05/25/1999 | US5906713 Method of preparing biodegradable, water-resistant, and molded paper board |
| 05/25/1999 | US5906712 Production of fiber reinforced composite |
| 05/20/1999 | WO1999024667A1 Tissue products containing esters of polyoxyethylene alkyl ether carboxylic acids |
| 05/20/1999 | WO1999024661A1 A process for improving the drainage of cellulosic pulps |
| 05/20/1999 | WO1999016973A3 Surface sizing of paper |
| 05/19/1999 | EP0916764A2 A method for restricting air entrapment in a paper making process |
| 05/19/1999 | EP0916622A1 Process for preventing scale formation in a paper-making process |
| 05/19/1999 | EP0915918A1 Resins of amphoteric aldehyde polymers and use of said resins as temporary wet-strength or dry-strength resins for paper |
| 05/19/1999 | CN1217038A Paper products contg. biodegradable vegetable oil based chemical softening composition |
| 05/19/1999 | CN1217037A Paper surface sizing agent, method of use and surface sized paper |
| 05/18/1999 | US5904810 Tissue containing cationic amidoamine compounds |
| 05/14/1999 | WO1999023307A1 Compositions and processes for increasing hot stock sizing effectiveness |
| 05/14/1999 | WO1999023290A1 Cloth-like base sheet and method for making the same |
| 05/14/1999 | WO1999023179A1 Coating compositions and coated paper and paperboards |
| 05/14/1999 | WO1999023171A1 Triphendioxazine colorants |
| 05/14/1999 | WO1999023170A1 Triphendioxazine colorants |
| 05/14/1999 | WO1999023156A1 Modified starch composition for removing particles from aqueous dispersions |
| 05/14/1999 | WO1999023155A1 Modified cationic starch composition for removing particles from aqueous dispersions |
| 05/14/1999 | CA2310572A1 Compositions and processes for increasing hot stock sizing effectiveness |
| 05/12/1999 | EP0914970A2 Security strip with optical and magnetic information |
| 05/12/1999 | EP0914519A1 Internally sized cellulosic products and method for making same |
| 05/12/1999 | EP0914085A2 Concentrated liquid accumulations comprising a microbicidally active ingredient |
| 05/12/1999 | CN1216233A Cigarette paper having flavorant which improves sidestream smoke smell, and cigarette |
| 05/11/1999 | US5902862 Endcapping the reaction product of a dicarboxylic acid and polyamine followed by intralinking; non-thermosetting; papermaking and creping adhesives |
| 05/11/1999 | US5902455 Process for improving retention in a process for the manufacture of paper, board and the like, and retaining agent for the application of this process |
| 05/11/1999 | US5902454 Method of whitening lignin-containing paper pulps |
| 05/11/1999 | US5902453 Text and cover printing paper and process for making the same |
| 05/06/1999 | WO1999022068A1 Production for mottled paper |
| 05/06/1999 | EP0913181A1 Silicone-based antifoam compositions |
| 05/06/1999 | EP0912635A1 Resin composition for making wet and dry strength paper |
| 05/06/1999 | EP0912530A2 USE OF TRIAZINE-BASED UVAs FOR USE AS QUENCHERS IN PAPER-MAKING PROCESSES |
| 05/06/1999 | EP0912350A1 Process for protecting products against forgery by means of machine-readable distinctive safety features |
| 05/06/1999 | EP0912221A1 Use as antifoaming agents of ethylene oxide - propylene oxide addition compounds of glycerol or polyglycerol reacted with alpha-olefin epoxides |
| 05/06/1999 | DE19748357A1 Blaue, AOX-freie Triphendioxazin-Farbstoffe Blue, AOX-free triphendioxazine dyes |
| 05/06/1999 | DE19748356A1 Triphendioxazinfarbstoffe Triphendioxazine |
| 05/06/1999 | CA2304300A1 Production for mottled paper |
| 05/04/1999 | US5900116 Zeolite crystalloid coagulant is added to water containing the solid matter, a source of multivalent cations, and a cationic acrylamide polymer. |
| 05/04/1999 | US5900111 Process for sanitizing post-consumer paper fibers using heat and hydrogen peroxide |
| 05/04/1999 | US5900029 Coloring fiber or textile |
| 04/29/1999 | WO1999020838A1 Tissue paper with enhanced lotion transfer |
| 04/29/1999 | WO1999020837A1 Additives for improving resistance of paper in humid and dry conditions |
| 04/29/1999 | CA2307286A1 Additives for improving resistance of paper in humid and dry conditions |
| 04/28/1999 | EP0911337A1 New triphendioxazine compounds |
| 04/28/1999 | EP0910963A2 Cigarette paper having a flavorant which improves sidestream smoke smell, and a cigarette |
| 04/28/1999 | EP0910700A1 Temporary wet strength resins |
| 04/28/1999 | EP0910699A1 Process for improving printing paper |
| 04/28/1999 | EP0910698A1 Chemically enhanced multi-density paper structure and method for making same |
| 04/28/1999 | EP0910695A1 Methods for inhibiting organic contaminant deposition in pulp and papermaking systems |
| 04/28/1999 | EP0523230B1 Reinforced films made from water soluble polymers |
| 04/28/1999 | CN1215444A Emulsifier system for rosin sizing agents |
| 04/28/1999 | CN1215046A Sulfonated diphenyl vinyl-biphenyl compound |
| 04/27/1999 | US5897746 Method for equipping papers of value with authenticity features |
| 04/22/1999 | WO1999019152A1 Security element and method for producing same |
| 04/22/1999 | WO1999019081A1 Spray application of an additive composition to sheet materials |
| 04/22/1999 | WO1999002693A3 Microbial swollenin protein; dna sequences encoding such swollenins and method of producing such swollenins |
| 04/21/1999 | EP0909810A1 Use of aminonitrile-N-oxides as bleach activators |
| 04/21/1999 | EP0909355A1 Process for surface sizing paper and paper prepared thereby |
| 04/21/1999 | EP0804382B1 Novel temperature-activated polysilicic acids and their use in paper production processes |
| 04/15/1999 | WO1999018289A1 Tissue paper having a substantive anhydrous softening mixture deposited thereon |
| 04/15/1999 | DE19744953A1 Security element with an auxiliary inorganic layer |
| 04/14/1999 | EP0908561A1 Method for coating webs |
| 04/14/1999 | EP0908560A1 Coated roll printing paper suitable for printing with cold-set links |
| 04/14/1999 | EP0907799A1 Asa sizing emulsions containing low and high molecular weight cationic polymers |
| 04/14/1999 | EP0907672A1 Hydrophobically modified resin compositions and uses thereof |
| 04/14/1999 | CN1214093A Sizing of paper |
| 04/08/1999 | WO1999016975A1 Method for surface sizing paper with 2-oxetanone and rosin and paper prepared thereby |
| 04/08/1999 | WO1999016974A1 Soft tissue paper having a softening composition containing an electrolyte deposited thereon |
| 04/08/1999 | WO1999016973A2 Surface sizing of paper |
| 04/08/1999 | WO1999016708A1 Colloidal borosilicates and their use in the production of paper |
| 04/08/1999 | CA2305567A1 Soft tissue paper having a softening composition containing an electrolyte deposited thereon |
| 04/08/1999 | CA2296448A1 Method for surface sizing paper with 2-oxetanone and rosin and paper prepared thereby |
| 04/07/1999 | EP0906473A1 Sizing composition |
| 04/07/1999 | CN1213422A High-density absorbent structure |
| 04/07/1999 | CN1213421A Clay compositions and their used in paper making |
| 04/06/1999 | US5892031 Stilbene compounds and their use |
| 04/01/1999 | WO1999015331A1 Microsphere-containing circuit board paper |
| 03/31/1999 | EP0905318A2 A soft chemi-mechanically embossed absorbent paper product and method of making same |
| 03/31/1999 | EP0905317A1 A method for optically brightening paper |
| 03/31/1999 | EP0905314A2 Use of special preparations as defoamers |
| 03/31/1999 | EP0904951A1 Ink jet recording sheet |
| 03/31/1999 | EP0904455A1 Process for creping tissue paper |
| 03/31/1999 | EP0904451A1 Soft bulky single-ply tissue paper |