| 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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| 03/22/1994 | US5296002 Rhombohedral calcium carbonate and accelerated heat-aging process for the production thereof |
| 03/22/1994 | US5295999 Monoazo thiazole pyrimidine dyes |
| 03/17/1994 | WO1994005857A1 Process for applying chemical papermaking additives from a thin film to tissue paper |
| 03/17/1994 | WO1994005856A1 Tissue paper treated with nonionic softeners that are biodegradable |
| 03/17/1994 | WO1994005855A1 Mixtures of paper sizing agents |
| 03/17/1994 | WO1994005596A1 Silica sols, a process for the preparation of silica sols and use of the sols |
| 03/17/1994 | WO1994005595A1 Aqueous suspensions of colloidal particles, preparation and use of the suspensions |
| 03/17/1994 | CA2142605A1 Tissue paper treated with nonionic softeners that are biodegradable |
| 03/16/1994 | EP0586755A1 A process for controlling the deposition of pitch in paper making |
| 03/16/1994 | EP0506808B1 Dispersion and/or grinding agent for aqueous mineral suspensions with a zeta potential close to zero, aqueous suspensions containing same, and applications |
| 03/15/1994 | US5294299 Anionic flocculating active pigment and cationic polymer carbohydrate; high strength |
| 03/15/1994 | CA2105922A1 Process for enhancing the whiteness, brightness and chromaticity of paper making fibres |
| 03/15/1994 | CA2105921A1 Process for enhancing the whiteness, brightness and chromaticity of fillers and pigments |
| 03/15/1994 | CA1327679C Reduced density material containing a plant filler for use in the pulp and paper industry |
| 03/10/1994 | DE4328975A1 Paper prodn. additive for improving beating, filler retention, etc. - consists of a cationic polymer contg. cyclic amidine unit(s) and opt. amido, nitrile and amino unit(s) derived from (meth)acrylic monomer(s) |
| 03/09/1994 | EP0586346A1 Method for the preparation of distyrylbiphenyl compounds |
| 03/09/1994 | EP0585812A2 Surface active compounds based on alkoxylated fatty amines |
| 03/09/1994 | CN2158414Y Multi-component paper towel |
| 03/08/1994 | US5292764 Azole derivatives for protecting industrial materials from bacteria |
| 03/08/1994 | US5292581 Hydroentangled nonwoven web |
| 03/08/1994 | US5292404 Process for trash removal or pitch-like resin control in the paper manufacture |
| 03/08/1994 | US5292403 Detackifying composition of anionic polymer and cationic surfactant |
| 03/08/1994 | US5292365 Calcium carbonate |
| 03/08/1994 | US5292363 Amphoteric softener, cationic softener, acid, surfactant and carbamide; enhances brightness, opacity, sizing |
| 03/08/1994 | CA1327567C Trisazo dyes and process for dyeing paper |
| 03/04/1994 | CA2105371A1 Process for preparing distyrylbiphenyl compounds |
| 03/03/1994 | WO1994004753A1 Impregnating agent for producing papers with high resistance to the penetration of grease, oil and aqueous media |
| 03/03/1994 | WO1994004751A1 Absorbent nonwoven fabric and its production |
| 03/03/1994 | WO1994002549A1 LOWERING THE pH OF TEXTILE PROCESSING SOLUTION WITH AN ACID/BASE SALT AS A pH ADJUSTING AGENT |
| 03/03/1994 | DE4229142A1 Papierleimungsmittelmischungen Paper size |
| 03/03/1994 | CA2141594A1 Absorbent nonwoven fabric and its production |
| 03/02/1994 | EP0584513A1 Pitch control treatment |
| 03/02/1994 | EP0584218A1 Production of paper and paper products |
| 03/02/1994 | CN1083145A Medicinal wet paper handkerchief and manufacture technique |
| 03/01/1994 | US5290068 Document security method and system |
| 02/25/1994 | CA2098328A1 Methods for inhibiting barium sulfate deposition in papermaking systems |
| 02/24/1994 | DE4227184A1 Imprägniermittel zur Herstellung von Papieren mit hohem Durchdringungswiderstand gegen Fette, Öle und wässrige Medien Impregnating agent for producing paper with high penetration resistance to fats, oils and aqueous media |
| 02/23/1994 | EP0583319A1 Lipase-catalyzed ester hydrolysis. |
| 02/22/1994 | US5288294 Process for dyeing paper with disazo dyes |
| 02/22/1994 | CA1327106C Pitch control |
| 02/16/1994 | EP0582667A1 Fluoroacrylate monomers and polymers, processes for preparing the same and their use. |
| 02/15/1994 | US5286347 Melamine formaldehyde polymer for pitch control method |
| 02/10/1994 | DE4226110A1 Chlorine free multifunctional resins for paper finishing |
| 02/09/1994 | EP0582166A1 Multifuctional resins without chlorine for paper finishing |
| 02/09/1994 | EP0582123A1 Pre-moistened flushable towelette impregnated with polyvinyl alcohol containing binders |
| 02/09/1994 | EP0581819A1 Dyeing of cellulose. |
| 02/08/1994 | US5284166 Method of producing brown cigarette wrapper paper |
| 02/08/1994 | CA2101879A1 Chlorine-free multifunctional resins for paper finishing |
| 02/03/1994 | WO1994002681A1 Production of paper |
| 02/03/1994 | WO1994002258A1 Process for manufacturing paper webs containing cf or cb layers for pressure sensitive recording paper |
| 02/03/1994 | DE4224718A1 Paper web coating back application - uses gap between two rollers to apply layer to one side of glue impregnated paper web |
| 02/02/1994 | EP0581414A1 Anti-counterfeit latent image formation object for bills, credit cards, etc. and method for making the same |
| 02/02/1994 | EP0580775A1 Method for sizing paper. |
| 02/01/1994 | US5283129 Light weight paper stock |
| 02/01/1994 | US5283002 Antifoam/defoamer composition and method of use thereof in aqueous systems |
| 02/01/1994 | US5282932 Process for pH and fire control in pulp balers |
| 01/26/1994 | EP0580529A1 Process for making paper or cardboard having improved retention |
| 01/26/1994 | EP0580405A1 Use of a composition for sizing paper and cardboard |
| 01/26/1994 | EP0580363A1 Security paper |
| 01/26/1994 | EP0579708A1 Lipase-catalyzed ester hydrolysis |
| 01/26/1994 | EP0454809B1 Treated duster |
| 01/26/1994 | CN2154004Y Toilet paper for treating piles |
| 01/25/1994 | US5281307 Crosslinked vinyl alcohol/vinylamine copolymers for dry end paper addition |
| 01/25/1994 | CA2100914A1 Security paper |
| 01/25/1994 | CA2100814A1 Pre-moistened flushable towelette impregnated with polyvinyl alcohol binders |
| 01/20/1994 | WO1994001621A1 Process for positioning rigid segments into a continuous paper web |
| 01/20/1994 | WO1994001620A1 Method for reducing fibre interaction in a tissue, and uses thereof, in particular for manufacturing multilayer tissues |
| 01/20/1994 | WO1994001619A1 Aqueous compositions for sizing of paper |
| 01/20/1994 | WO1994001541A1 C. antarctica lipase and lipase variants |
| 01/20/1994 | DE4223604A1 Increasing wet strength of mouldings based on cellulose@ paper etc. - by impregnation with a soln. of oil-in-water emulsion contg. water-insol. (co)polymers, prepolymers, oligomers or monomers |
| 01/19/1994 | EP0579447A1 Permanent paper |
| 01/18/1994 | US5279767 Chemical softening composition useful in fibrous cellulosic materials |
| 01/18/1994 | CA1326317C Method of controlling microbiological deposits on paper making equipment and paper obtained thereby |
| 01/18/1994 | CA1326133C Pressure-sensitive copying paper |
| 01/16/1994 | CA2100374A1 Pitch control treatment |
| 01/12/1994 | EP0577590A1 Aluminium-salt impregnated fibres, a method for their manufacture, fluff consisting of such fibres, and the use of the fibres as absorption material. |
| 01/12/1994 | EP0446205B1 Paper making process |
| 01/12/1994 | CN1080680A Air-phase stain-resistant paper and producing method |
| 01/12/1994 | CN1080679A Moisture-proof paper board producing method |
| 01/11/1994 | US5277764 Process for the production of cellulose fibre containing products in sheet or web form |
| 01/11/1994 | US5277763 Comprising short length dry weight fibers |
| 01/05/1994 | EP0380471B1 Nonwoven fabric-like product using a bacterial cellulose binder and method for its preparation |
| 01/05/1994 | CN1080345A Paper for treatment of anal fistula |
| 01/04/1994 | US5275870 Watermarked plastic support |
| 01/04/1994 | US5275698 Adding dissolved cellulose polymer as binder resin |
| 12/29/1993 | EP0576327A2 Preserved polysiloxane emulsions for treating tissues |
| 12/29/1993 | CN1080009A Natural medicine-containing toilet paper |
| 12/28/1993 | US5274055 Mixture of ionic polymer bead and a high-molecular-weight ionic polymer or ionic polysaccharide |
| 12/27/1993 | CA2082200A1 Preserved polysiloxane emulsions for treating tissues |
| 12/23/1993 | WO1993025754A1 Improvements in paper making |
| 12/23/1993 | WO1993025077A1 Antimicrobial dry paper product |
| 12/23/1993 | CA2115560A1 Improvements in paper making |
| 12/22/1993 | CN1079790A Dampproof agent for paper products |
| 12/21/1993 | CA1325315C Sizing composition, a method for the preparation thereof and a method of use |
| 12/16/1993 | DE4218837A1 Prepn. of N,N'-bis-acyl-alkylene di:amine cpds. with uniform carbon chain - using tri:glyceride from new oil plant crop and alkylene di:amine using acid catalyst |
| 12/15/1993 | EP0574335A1 Process for making paper or paperboard having an increased retention |
| 12/15/1993 | EP0573793A1 Aqueous dispersions of water-soluble polymers |
| 12/15/1993 | EP0394319B1 Control of biological characteristics of material |
| 12/14/1993 | US5269818 Rhombohedral calcium carbonate and accelerated heat-aging process for the production thereof |
| 12/09/1993 | WO1993024619A1 Lipases from hyphozyma |