| Patents for D21H 17 - Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution (19,322) |
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| 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 | EP0550490A4 Cellulosic pulp bonded by polyhydroxy acid resins. |
| 03/16/1994 | EP0548086A4 Method and dispersants for production of high solids aqueous calcium carbonate suspensions. |
| 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 | US5294692 Associative monomers and polymers |
| 03/15/1994 | US5294301 Wood pulp with graft copolymer of starch and polyUmetheacrylic acid |
| 03/15/1994 | US5294300 Production method of expanded graphite sheet and expanded graphite sheet obtained thereby |
| 03/15/1994 | US5294254 Aqueous fine dispersion of an organophilic sheet silicate |
| 03/15/1994 | CA1327679C Reduced density material containing a plant filler for use in the pulp and paper industry |
| 03/10/1994 | DE4330109A1 Urea-formaldehyde condensates prodn. - by condensn. of urea and formaldehyde in presence of citrate salt, gelation with sulphaminic acid and neutralisation with dil. alkali |
| 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) |
| 03/10/1994 | DE4230209A1 Asbestos-free felt for prodn. of high temp.-resistant gaskets etc. - contains mineral fibres, fillers and conventional binders, but no fibrillated (pulp) fibres |
| 03/09/1994 | EP0585849A2 Photographic paper |
| 03/09/1994 | EP0585812A2 Surface active compounds based on alkoxylated fatty amines |
| 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 | US5292365 Calcium carbonate |
| 03/08/1994 | US5292363 Amphoteric softener, cationic softener, acid, surfactant and carbamide; enhances brightness, opacity, sizing |
| 03/03/1994 | WO1994004753A1 Impregnating agent for producing papers with high resistance to the penetration of grease, oil and aqueous media |
| 03/03/1994 | WO1994004752A1 Acid-to-alkaline papermaking process |
| 03/03/1994 | WO1994004462A1 Polymeric aluminium silicate-sulphate and process and apparatus for producing same |
| 03/03/1994 | DE4229142A1 Papierleimungsmittelmischungen Paper size |
| 03/03/1994 | CA2142367A1 Acid-to-alkaline papermaking process |
| 03/02/1994 | EP0584513A1 Pitch control treatment |
| 03/02/1994 | EP0584218A1 Production of paper and paper products |
| 03/01/1994 | US5290849 Polymer solution for sizing paper |
| 03/01/1994 | US5290353 Vaterite and production method |
| 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 | EP0583363A1 Wet strength resin composition |
| 02/23/1994 | EP0583256A1 Cellulose-based package material having an increased adsorption capacity and process for the manufacture thereof. |
| 02/22/1994 | US5288787 Emulsion poly of unsaturated monomers in presence of anionically-modified polyurethanes, possible grafting; for sizing paper |
| 02/22/1994 | US5288782 Copolymer of vinyl ester, unsaturated carboxylic acid and unsaturated cationic monomer as dispersant for rosins in water |
| 02/22/1994 | US5288317 Dissolving method |
| 02/22/1994 | CA1327106C Pitch control |
| 02/16/1994 | EP0582928A2 Surface active compounds based on modified castor oil fatty substances |
| 02/16/1994 | CN1082132A Acid-to-alkaline papermaking process |
| 02/16/1994 | CN1082006A Polymeric aluminum silicate-sulphate and process for producing same |
| 02/15/1994 | US5286347 Melamine formaldehyde polymer for pitch control method |
| 02/10/1994 | DE4226110A1 Chlorine free multifunctional resins for paper finishing |
| 02/10/1994 | DE4221381C1 Pfropf-Copolymerisate von ungesättigten Monomeren und Zuckern, Verfahren zu ihrer Herstellung und ihre Verwendung Graft copolymers of unsaturated monomers and sugars, to processes for their preparation and their use |
| 02/09/1994 | EP0582265A1 Process for restoring damaged papier |
| 02/09/1994 | EP0582166A1 Multifuctional resins without chlorine for paper finishing |
| 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 | DE4224719A1 Rapid CF paper prodn. for pressure-sensitive carbon@ paper - using 2 roll appts. (e.g. speed sizer) to give simultaneous front and back coating with uniform thin CF layer contg. colour acceptor |
| 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 |
| 02/03/1994 | DE4224716A1 Coated front paper prodn. for pressure-sensitive recording paper - by simultaneous application of front coat and back size coat with aq soln pref starch soln using rollers fed by grooved dosing doctors. |
| 02/02/1994 | EP0580775A1 Method for sizing paper. |
| 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 |
| 01/27/1994 | DE4321167A1 Conc. titanium di:oxide suspension prodn. for use in paper mfr. - by dechlorinating slurry from chloride process without increasing polyvalent anion content and filtering without adding dispersant |
| 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 | EP0579879A1 Production method of expanded graphite sheet and expanded graphite sheet obtained thereby |
| 01/26/1994 | EP0579664A1 A method of oxidising carbohydrates |
| 01/26/1994 | EP0454809B1 Treated duster |
| 01/25/1994 | US5281307 Crosslinked vinyl alcohol/vinylamine copolymers for dry end paper addition |
| 01/25/1994 | US5281306 Water-disintegrable cleaning sheet |
| 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 | WO1994001499A1 Cationic pigments |
| 01/20/1994 | WO1994001476A1 Graft copolymers of unsaturated monomers and sugars, process for producing the same and their use |
| 01/20/1994 | CA2139775A1 Cationic pigments |
| 01/19/1994 | EP0579447A1 Permanent paper |
| 01/18/1994 | US5280097 Cellulose material impregnated with a polyisocyanate resin |
| 01/18/1994 | US5280078 Hydrophilic surface, water insoluble |
| 01/18/1994 | US5279885 Ink-jet recording sheet |
| 01/18/1994 | US5279807 Method for preparing low-concentration polysilicate microgels |
| 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 |
| 01/11/1994 | US5278255 Unsaturated polyaminopolymer, derivatives thereof and processes for making |
| 01/11/1994 | US5277978 Stabilizing with a polyester or polyamide containg a sulfate or sulfonate group |
| 01/11/1994 | US5277764 Process for the production of cellulose fibre containing products in sheet or web form |
| 01/11/1994 | US5277762 Slurrying mineral wool, perlite, cellulose, clay, and latex in water; holding, shaping, heating, solidification acoustic tiles |
| 01/06/1994 | WO1994000523A1 Aqueous impregnating composition |
| 01/06/1994 | WO1993021331A3 Polysaccharide binding fusion proteins and conjugates |
| 01/05/1994 | EP0380471B1 Nonwoven fabric-like product using a bacterial cellulose binder and method for its preparation |
| 01/04/1994 | US5275870 Watermarked plastic support |
| 01/04/1994 | US5275699 Forming a calcium carbonate precipitate with cellulose |
| 01/04/1994 | US5275698 Adding dissolved cellulose polymer as binder resin |
| 12/29/1993 | EP0576327A2 Preserved polysiloxane emulsions for treating tissues |
| 12/29/1993 | EP0575516A1 Binder coated discontinuous fibers with adhered particulate materials |
| 12/29/1993 | EP0309475B1 Process for the preparation of a phenol-based resin for the production of laminates |
| 12/28/1993 | CA1325500C Paper sizing methods and compositions |
| 12/27/1993 | CA2082200A1 Preserved polysiloxane emulsions for treating tissues |
| 12/23/1993 | WO1993025754A1 Improvements in paper making |
| 12/23/1993 | WO1993025384A1 Laminated composites of polyurea-cellulose and methods for their manufacture |
| 12/23/1993 | CA2115560A1 Improvements in paper making |
| 12/21/1993 | US5271806 Method for sizing paper |
| 12/21/1993 | CA1325315C Sizing composition, a method for the preparation thereof and a method of use |
| 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 | EP0521896B1 Photographic reflection print material with improved keeping properties |