| 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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| 12/15/1987 | US4713285 High temperature filter material |
| 12/15/1987 | US4713276 Paper-like product, method and apparatus for production thereof and prepreg formed of said paper-like product |
| 12/09/1987 | EP0248671A2 Novel amino resins useful in sizing paper and their use |
| 12/09/1987 | EP0248360A2 Poster paper |
| 12/08/1987 | US4711727 Compositions comprising mineral particles in suspension and method of treating aqueous systems therewith |
| 12/08/1987 | US4711671 With substituted cyclic dicarboxylic acid anhydride |
| 12/08/1987 | US4711669 Method of manufacturing a bonded particulate article by reacting a hydrolyzed amylaceous product and a heterocyclic compound |
| 12/02/1987 | EP0247774A2 Cationic monomer delayed addition process |
| 12/01/1987 | US4710520 Mica-polymer micro-bits composition and process |
| 12/01/1987 | US4710422 Impregnation with mixture of wetting agent and binder |
| 12/01/1987 | US4710400 Forming a thin film polypyrrole by coating a monomer on one side of substrate and having an oxidizing agent penetrate from the reverse |
| 12/01/1987 | US4710270 Paper making process utilizing fillers with hardened envelopes of cationic starch |
| 12/01/1987 | US4710267 Process for reducing discoloration and/or tackiness in processing waste paper fibers |
| 11/25/1987 | EP0246406A2 Carbonate-containing mineral fillers, pigments and similar materials |
| 11/24/1987 | US4708772 Paper products containing wet strength resins |
| 11/19/1987 | EP0245702A2 Polymers, paper of high wet-strength and processes of making same |
| 11/19/1987 | EP0245674A1 Paper-sizing agents, their preparation and their use |
| 11/19/1987 | EP0245260A1 Method at manufacture of carbon-coated fibre material |
| 11/17/1987 | US4707221 Sheets having improved stiffness from fiber, latex and coalescing agent |
| 11/17/1987 | US4707209 Method of making high density moisture resistant mica sheet |
| 11/10/1987 | US4705570 Method of manufacturing a bonded particulate article by reacting a polyol and a meterocyclic compound |
| 11/03/1987 | US4704190 Pulp slurry drainage improver |
| 10/28/1987 | EP0243166A2 Silica platelets |
| 10/27/1987 | US4703116 Wet strength, dry strength |
| 10/14/1987 | EP0241408A2 Mica product |
| 10/14/1987 | EP0240586A1 Post-cross-linked polymeric gels |
| 10/13/1987 | US4699663 Papermaking |
| 10/13/1987 | CA1227974A1 Inorganic fillers modified with vinyl alcohol polymer and cationic melamine-formaldehyde resin |
| 10/07/1987 | EP0151646B1 Sizing agent composition and method of using the same |
| 10/06/1987 | US4698259 Treatment with lewis acid to form cationic surfactant |
| 09/30/1987 | EP0238968A1 Surface-sizing agent for paper |
| 09/30/1987 | EP0238948A2 Basic polycondensate |
| 09/30/1987 | CN86101888A Process for treating wet paper with foam |
| 09/29/1987 | US4696962 Hydrophilic cationic copolymers of acrylamide or methacrylamide |
| 09/23/1987 | EP0237827A2 Flat, cross-linked cristalline xenolit fibres and process for their preparation |
| 09/22/1987 | US4695405 Process for quenching fluorescence, and new cationic or amphoteric aromatic nitro compounds |
| 09/22/1987 | US4695401 Nonionic emulsifier and substituted succinic anhydride compositions therewith |
| 09/15/1987 | US4693928 Porous, fibrous structures with thermoplastic fluorocarbon coating and method of making |
| 09/10/1987 | DE3706435A1 Process for sizing paper with nonionic, hydrophobic sizes and, if appropriate, cationic retention agents |
| 09/09/1987 | EP0235893A1 Production of paper and paperboard |
| 09/09/1987 | EP0235564A1 Water-resistant photographic paper support |
| 09/09/1987 | EP0235334A1 Sizing agent suitable for use in paper making |
| 09/02/1987 | EP0234601A2 Fluorochemical copolymers and textilefibers treated therewith |
| 09/02/1987 | EP0234513A1 Binder for use in a paper-making process |
| 08/26/1987 | EP0233336A2 Process for etherification of starch |
| 08/25/1987 | US4689374 Water soluble polyamidoaminepolyamine having weight average molecular weight of at least 5×105 |
| 08/25/1987 | CA1226091A1 Wet strength resins |
| 08/19/1987 | EP0232851A2 Polysaccaride derivatives containing aldehyde groups, corresponding acetals and use as paper additives |
| 08/19/1987 | EP0232299A1 Fixation of polymers retaining liquids in a porous structure. |
| 08/18/1987 | US4687519 Paper size compositions |
| 08/18/1987 | CA1225779A1 Sheet-like packing material |
| 08/12/1987 | EP0232196A1 Diurethane latex as a sizing agent in the paper industry, and its process of production |
| 08/12/1987 | EP0232015A1 Pitch control aid |
| 08/12/1987 | EP0231505A1 Antimicrobial agent |
| 08/12/1987 | CN86107618A Method of manufacturing a bonded particulate article by reacting a hydrolyzed amylaceous product and a heterocyclic compound |
| 08/04/1987 | US4684708 Dry strength additive in papermaking |
| 08/04/1987 | US4684440 Method for manufacturing paper products |
| 08/04/1987 | US4684439 Creping adhesives containing polyvinyl alcohol and thermoplastic polyamide resins derived from poly(oxyethylene) diamine |
| 07/30/1987 | WO1987004476A1 Wet-laid, non-woven, fiber-reinforced composites containing stabilizing pulp |
| 07/28/1987 | US4683339 2,2-bis-(2-perfluoroalkylethylthio)-acetaldehydes and process for production thereof |
| 07/28/1987 | US4683162 Mica product |
| 07/21/1987 | US4681909 Rosin emulsion sizing agent |
| 07/21/1987 | CA1224598A1 Paper sizing agent |
| 07/21/1987 | CA1224466A1 Cyclic urea/glyoxal/polyol condensates and their use in treating textile fabrics and paper |
| 07/15/1987 | EP0228801A1 Aqueous dispersed solution of substituted succinic anhydride |
| 07/15/1987 | EP0228576A1 Paper size compositions |
| 07/15/1987 | CN86107616A Method of manufacturing bonded particulate article by reacting polyol and heterocyclic compound |
| 07/14/1987 | USRE32459 Viscosity modifiers for acrylamide polymers |
| 07/08/1987 | EP0227853A1 Non-woven composite material and process of preparing |
| 07/07/1987 | US4678700 Fibrous composite materials |
| 07/07/1987 | CA1224000A1 Paper sizing agent |
| 07/01/1987 | EP0227600A1 Process for sizing paper with anionic hydrophobic sizing agents and polymerized monoallylic amines as retention agents |
| 07/01/1987 | EP0227465A1 Loaded paper |
| 06/30/1987 | CA1223495A1 Reduced ignition proclivity smoking article wrapper and smoking article |
| 06/24/1987 | EP0226408A2 Methods for manufacture of paper products |
| 06/23/1987 | US4675394 Polysaccharide derivatives containing aldehyde groups, their preparation from the corresponding acetals and use as paper additives |
| 06/23/1987 | US4675245 Photographic paper support |
| 06/23/1987 | CA1223107A1 Use of copolymers of 2-acrylamido-2-methylpropane sulfonic acid for improving retention and dewatering in the manufacture of paper |
| 06/16/1987 | US4673729 Paper auxiliary from condensation product of aliphatic polyol-ether-amine and compound polyfunctional toward amino groups |
| 06/16/1987 | US4673704 Equilibratine agents |
| 06/16/1987 | US4673439 Sizing agent for paper making |
| 06/10/1987 | EP0224976A1 Method of sizing paper |
| 06/09/1987 | US4671855 Paper sizing and composition and method |
| 06/09/1987 | CA1222675A1 Wrapper constructions for self-extinguishing smoking articles |
| 06/09/1987 | CA1222606A1 Method of forming beater-saturated sheet using carbonate ion |
| 06/03/1987 | EP0223922A1 Process for producing paper webs impregnated with synthetic resins in a soluble or dispersed form |
| 06/02/1987 | US4670311 Impregnated fibrous laminates |
| 06/02/1987 | US4670288 Ascorbic, citric acid, alum |
| 06/02/1987 | US4670100 Aqueous solutions or dispersions of polyisocyanate addition products, a process for their preparation, and their use as coating compounds or as sizing agents for paper |
| 05/27/1987 | EP0223223A1 Process for the production of paper and cardboard |
| 05/27/1987 | EP0223222A2 Water soluble thermosetting resin, process for its production, paper sizing composition and paper sizing process |
| 05/27/1987 | EP0223113A2 Method of manufacturing a bonded particulate article by reacting a polyol and a heterocyclic compound |
| 05/26/1987 | US4668726 Cationic and non-ionic fluorochemicals and fibrous substrates treated therewith |
| 05/26/1987 | US4668536 Method and apparatus for coating corrugated board |
| 05/26/1987 | US4668273 Polyamines |
| 05/21/1987 | WO1987003023A1 Method of processing waste paper |
| 05/19/1987 | US4666746 Method for the impregnation of water-repellent paper |
| 05/19/1987 | US4666523 Sizing agent suitable for use in paper making |
| 05/13/1987 | EP0221537A2 Method of manufacturing a bonded particulate article by reacting a hydrolyzed amylaceous product and a heterocyclic compound |
| 05/13/1987 | EP0221400A1 Cationic paper-sizing agents |