| 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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| 07/15/1997 | US5647956 Cellulosic, modified lignin and cationic polymer composition and process for making improved paper or paperboard |
| 07/12/1997 | CA2194851A1 Pitch control composition and process for inhibiting pitch deposition |
| 07/10/1997 | WO1997024489A1 High performance paper and process for producing the same |
| 07/10/1997 | DE19600366A1 Narrowing molecular weight distribution of ethyleneimine polymer] |
| 07/09/1997 | EP0782646A1 Paper products containing a vegetable oil based chemical softening composition |
| 07/09/1997 | EP0782645A1 Paper products containing a biodegradable vegetable oil based chemical softening composition |
| 07/09/1997 | EP0782644A1 Wet-resilient webs |
| 07/09/1997 | CN1153798A 无尘纸 Airlaid |
| 07/08/1997 | US5646257 For dyeing and printing cellulose containing materials |
| 07/08/1997 | US5645731 Aqueous suspensions of poly(ethylene oxide) useful as a flocculent |
| 07/08/1997 | CA2081081C Packaging material, process for producing same and use thereof |
| 07/03/1997 | WO1997023691A1 Papermaking process |
| 07/03/1997 | WO1997023683A1 Use of xyloglucan endotransglycosylase (xet) |
| 07/02/1997 | EP0781562A2 The use of a deodorant based on undecylenic acid or its derivatives for the deodorization of paper, cardboard or non-woven material |
| 07/02/1997 | EP0781304A1 Repulpable wet strength resins for paper and paperboard |
| 07/02/1997 | EP0698140B1 Tissue paper treated with tri-component biodegradable softener composition |
| 07/01/1997 | US5644021 Water, stable, cationic polyaminoamide-epichlorohydrin polymer |
| 07/01/1997 | US5643588 Diaper having a lotioned topsheet |
| 07/01/1997 | US5643430 Electrodialysis treatment |
| 07/01/1997 | US5643415 Precipitated calcium carbonate particles from basic calcium carbonate |
| 07/01/1997 | US5643414 Silica sols in papermaking |
| 06/27/1997 | CA2194007A1 Use of a deodorizer based on undecylenic acid or derivatives thereof for deodorizing papers, paperboard and nonwovens |
| 06/26/1997 | WO1997022754A1 Method for externally sizing fibrous materials |
| 06/26/1997 | WO1997022753A1 Flame inhibitor composition and use thereof |
| 06/26/1997 | DE19548031A1 Modified cellulose material for high wet strength in non-matured state |
| 06/25/1997 | CN1035228C Productive technology for paper shoe-pad |
| 06/24/1997 | US5641855 Water-soluble condensation products of amino-containing compounds and crosslinkers, preparation thereof and use thereof |
| 06/20/1997 | CA2193155A1 Water-soluble high-molecular weight compound containing silicon and production and use thereof |
| 06/17/1997 | US5639812 Dispersed in water using an emulsifier and(or) stabilizer |
| 06/11/1997 | EP0778371A1 Cast-coated paper for ink jet recording |
| 06/11/1997 | EP0778244A1 Methods for inhibiting the production of slime in aqueous systems |
| 06/11/1997 | EP0777692A1 Paper-sizing agents containing aqueous, solvent-free dispersions of cationic polymers and method of preparing sized paper by using these agents |
| 06/11/1997 | EP0577590B1 Aluminium-salt impregnated fibres, a method for their manufacture, fluff consisting of such fibres, and the use of the fibres as absorption material |
| 06/10/1997 | US5637197 Process of coating a substrate with reticulated bacterial cellulose aggregates |
| 06/10/1997 | US5637193 Whitening by applying the mixture within 6 hours |
| 06/07/1997 | CA2187657A1 Methods for inhibiting the production of slime in aqueous systems |
| 06/05/1997 | WO1997019937A2 Process for preparing bis-alkoxy-triazinyl-amino-containing stilbene disulphonic acids or their derivatives |
| 06/05/1997 | DE19544269A1 Verfahren zur Herstellung von bis-alkoxy-aminohaltigen Stilbendisulfonsäuren oder deren Derivaten A process for preparing bis-alkoxy-amino-stilbene disulfonic acids or derivatives thereof |
| 06/04/1997 | EP0777014A2 Pigments for paper coating compositions |
| 06/04/1997 | EP0776923A2 Epihalohydrin-based resins having a reduced halogen content |
| 06/04/1997 | EP0776767A1 Ink-jet recording sheet and a method for its preparation |
| 06/04/1997 | EP0675914B1 Water-soluble condensation products of compounds containing amino groups with cross-linking agents, method of preparing them and their use |
| 06/03/1997 | US5635607 Blue or violet color dye for dyeing paper, textiles |
| 06/03/1997 | US5635291 Ink-jet recording medium |
| 06/03/1997 | US5635028 Process for making soft creped tissue paper and product therefrom |
| 06/02/1997 | CA2191116A1 Ink-jet recording sheet and a method for its preparation |
| 05/29/1997 | WO1997015711A3 Production of soft paper products from high and low coarseness fibers |
| 05/28/1997 | EP0775670A1 Crystalline silicate powder |
| 05/28/1997 | EP0775235A1 Method for making soft tissue using cationic silicones |
| 05/28/1997 | EP0775165A1 Dadmac/vinyl trialkoxysilane copolymers and their use in wastewater treatment |
| 05/28/1997 | EP0775088A1 Synthetic mineral microparticles for retention aid systems |
| 05/27/1997 | US5633309 Creping adhesives containing oxazoline polymers |
| 05/27/1997 | US5633300 Enhancement of paper dry strength by anionic and cationic guar combination |
| 05/27/1997 | US5632860 Method of controlling foam in aqueous systems |
| 05/27/1997 | CA2108028C A process for the manufacture of paper |
| 05/27/1997 | CA2108027C A process for the production of paper |
| 05/27/1997 | CA2089697C Polyaluminumchlorosulfates and preparation and uses thereof |
| 05/27/1997 | CA2028564C Lottery ticket paper, a method of manufacturing lottery ticket paper, and the use of said paper in the manufacture of lottery tickets |
| 05/22/1997 | WO1997018351A1 A process for the production of paper |
| 05/21/1997 | EP0773872A1 A security product, a film and a method of manufacture of a security product |
| 05/21/1997 | EP0693148B1 Method of monitoring the deposition of "stickies" from paper-pulp suspensions |
| 05/20/1997 | US5631078 Films made from paper containing cellulose ester fiber |
| 05/20/1997 | US5631047 Ammonium phosphates, urea, fluorinated acrylic polymer, cocoimidazuline dicarboxylate, organotin |
| 05/20/1997 | US5631039 Security thread, a film and a method of manufacture of a security thread |
| 05/15/1997 | WO1997017493A1 Surface treated security paper and method and device for producing surface treated security paper |
| 05/15/1997 | WO1997017492A1 Process for preparing a lignocellulose-based product, and product obtainable by the process |
| 05/15/1997 | WO1997017491A1 Aqueous alkyldiketene dispersions and their use as size for paper |
| 05/15/1997 | WO1997017289A1 Synthetic mineral microparticles and retention aid and water treatment systems and methods using such particles |
| 05/15/1997 | DE19612483A1 Copolymers with adjustable ionic properties and stable aqueous dispersions |
| 05/15/1997 | CA2236922A1 Synthetic mineral microparticles and retention aid and water treatment systems and methods using such particles |
| 05/15/1997 | CA2231858A1 Process for preparing a lignocellulose-based product, and product obtainable by the process |
| 05/14/1997 | EP0773320A1 Security sheet having a roughly constant thickness |
| 05/14/1997 | EP0773319A1 Method to enhance the performance of polymers and copolymers of acrylamide as flocculants and retention aids |
| 05/14/1997 | EP0772716A1 Soft tissue paper from coarse cellulose fibers |
| 05/13/1997 | US5629368 Water, sodium silicate, acrylic polymer |
| 05/09/1997 | WO1997016599A1 Films made from paper containing cellulose ester fiber |
| 05/09/1997 | WO1997016598A1 Method for enhancing retention in a paper making process, and retention agent therefor |
| 05/09/1997 | CA2189832A1 Method to enhance the performance of polymers and copolymers of acrylamide as flocculants and retention aids |
| 05/07/1997 | EP0771670A1 Mordanting substrates and agents |
| 05/07/1997 | EP0656970B1 Tissue paper treated with nonionic softeners that are biodegradable |
| 05/07/1997 | DE19540998A1 Wäßrige Alkyldiketen-Dispersionen und ihre Verwendung als Leimungsmittel für Papier An aqueous alkyldiketene dispersions and their use as sizing agents for paper |
| 05/06/1997 | US5627249 Acrylamide polymers and use thereof |
| 05/06/1997 | US5627224 Amphoteric polymers with cyclic dicarboxylic acid anhydride and alkyl ketene dimer and polyaluminum compound |
| 05/06/1997 | US5626719 Thermosetting resin, reactive and non-reactive size, waterproof beverage container |
| 05/02/1997 | EP0770647A2 Yellowish red iron oxide pigments of pure colour, process for preparing them and their use |
| 05/02/1997 | EP0770159A1 Use of alkoxylation products of oh group-containing carboxylic acid derivatives and/or carboxylic acids for the suppression of deposits during the fabrication of paper |
| 05/01/1997 | WO1997015711A2 Production of soft paper products from high and low coarseness fibers |
| 05/01/1997 | CA2232364A1 Production of soft paper products from high and low coarseness fibers |
| 05/01/1997 | CA2189179A1 Pigments for paper coating compositions |
| 04/30/1997 | CN1148877A Dual surface treated filler material, method for its preparation and use in papermaking |
| 04/29/1997 | US5624676 Lotioned tissue paper containing an emollient and a polyol polyester immobilizing agent |
| 04/29/1997 | US5624575 Method for preventing microbial deposits in the papermaking process with ethylene oxide/propylene oxide copolymers |
| 04/29/1997 | US5624569 Recycled paper, using silicon-containing polyelectrolyte polymer coagulant |
| 04/29/1997 | US5624532 Method for enhancing the bulk softness of tissue paper and product therefrom |
| 04/27/1997 | CA2188644A1 Clean color shade, yellow-tinged red iron oxide pigments, and a process for their manufacture, and their use |
| 04/24/1997 | WO1997014490A1 Defoamer/antifoam composition |
| 04/24/1997 | DE19539282A1 Stock inlet for security paper production |
| 04/22/1997 | US5622749 Contacting the paper surface with a coating solution containing hydrates of 4,4'-bis/2-sulfostyryl/biphenyl or its salt, a white pigment, a binders, contacting paper to size press with a solution containing an auxillary |
| 04/17/1997 | WO1997013862A1 Fungal cellulases |
| 04/16/1997 | EP0768425A2 Prewettable high softness paper product having temporary wet strength |