Patents for D21H 17 - Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution (19,322)
10/1985
10/16/1985EP0158247A1 Paper-making auxiliary agent
10/16/1985EP0157949A2 Improvements in paper and board manufacture
10/15/1985US4547265 Method for sizing paper using hydrolyzed homopolymers or copolymers of meta- or para- isopropenyl-α,α-dimethylbenzylisocyanate
10/15/1985CA1195053A1 Products for coatings, insulation and packings, comprising industrial wastes and more particularly paper-making sludges and a process for obtaining same
10/09/1985EP0156924A1 Chemically active composition containing ferrous ion
10/08/1985US4545856 Paper sizing
10/08/1985US4545855 Substituted succinic anhydride/emulsifier composition
10/08/1985US4545854 Method for preparing a fibrous product containing cellulosic fibers and useful in particular, in the field of coverings in lieu of asbestos
10/08/1985CA1195049A1 Wet strength resins
10/02/1985EP0156646A1 High charge density, cationic methacrylamide based monomers and their polymers
10/02/1985EP0156576A1 Methods of producing paper containing pigments
10/02/1985EP0156268A2 Process for producing polyaminopolyamides containing halohydrin functionality
10/01/1985US4544608 Paper sizing agents
10/01/1985US4544604 Heat-sensitive recording paper and filler therefor
10/01/1985US4544414 Substituted succinic anhydride and modified polyoxyethylene glycol
09/1985
09/26/1985WO1985004200A1 A method for treatment of cellulose fibres and production of composite materials of the treated cellulose fibres in combination with resins
09/25/1985EP0155677A2 Paper-like product, method and apparatus for production thereof and prepreg formed of said paper-like product
09/25/1985EP0155503A1 Improvement in the dewatering of wet paper webs using mannich acrylamide polymers
09/24/1985US4543384 Asbestos fibers, synthetic rubber binder, acrylic acid polymer, felt sheet
09/24/1985US4543290 Chemical resistant decorative laminates
09/24/1985US4543287 Fibrous material comprised of vermiculte coated fibers
09/24/1985US4543269 Process for producing supports for photographic paper
09/24/1985US4543158 Sheet type felt
09/24/1985CA1193806A1 Process for making electrical insulating paper and the product thereof
09/10/1985US4540777 Method for the modification of starch in an aqueous medium
09/10/1985US4540635 Reinforced with formaldehyde and/or unsaturated carbonyl ester with aminoalcohol
09/10/1985US4540497 Fluoroaliphatic radical-containing, substituted guanidines and fibrous substrates treated therewith
09/04/1985EP0153827A2 Porous particulate materials
09/03/1985US4539388 Polymer formed in the presence of friedel-crafts catalysts
09/03/1985US4539191 Preparation of sodium silicate solutions
09/03/1985US4539046 Production of vermiculite products
09/03/1985CA1192826A1 Building boards
09/03/1985CA1192709A1 Mineral fiber-containing paper for the production of gypsum wallboard and wallboard product prepared therewith
08/1985
08/27/1985US4537807 Glyoxal and polyvinyl alcohol
08/27/1985US4537657 Wet strength resins
08/27/1985US4537595 Organopolysiloxanes with Bunte salt groups, their synthesis and use for the surface treatment of inorganic or organic materials
08/21/1985EP0151994A2 Method of preparing an improved sizing agent and novel paper sizing method
08/21/1985EP0151646A1 Sizing agent composition and method of using the same
08/21/1985EP0151578A1 Improvements in paper and board manufacture.
08/20/1985US4536552 Polyamidoamine containing pendant ammonium moiety having crosslinking functionality
08/20/1985US4536384 Nitrilotriacetic acid, diethylene triaminopentaacetic acidd, galli
08/20/1985US4536254 Oil and water repellents
08/13/1985US4535031 Modified aminoplast, its preparation and its use
08/13/1985CA1191727A1 Soft, strong, absorbent tissue paper and process therefor
08/07/1985EP0150754A2 Modified colophony resins, method of their manufacture, their use and paper sizing agents containing them
08/07/1985EP0050316B1 Process for preparing a sheet material with retention by paper-making techniques
08/06/1985US4533435 Additive migrates from binding agent to fiberts
08/06/1985US4533434 Process for sizing paper and process for making plasterboard base paper sized thereby
08/01/1985WO1985003316A1 Paper with improved surface properties and method of making the same
07/1985
07/31/1985EP0150003A2 Cationic paper size and process for its manufacture
07/30/1985US4532176 Fibrous material comprised of vermiculite coated fibers
07/30/1985EP0137829A4 Production of laminates.
07/24/1985EP0149514A2 Flocculating agent
07/23/1985US4530943 Mixing polymer and hydrophilic wetting agent
07/23/1985US4530883 Complementary color high pressure decorative laminate
07/17/1985EP0148647A1 A paper-making method and a combination of ingredients to be used in it
07/16/1985US4529677 Battery separator material
07/16/1985US4529663 Mixture of clay, calcium silicate, cellulose fibers, aromatic polyamide fibers in binder
07/16/1985US4529662 Mixture of clay, mica, graphite, cellulose fibers, wool in organic binder
07/16/1985US4529658 Blend of fluoracrylate, (alkoxy)alkyl (meth)acrylate, glycidyl acrylate and cationic monomer
07/16/1985US4529653 Blend of clay, mica, graphite, cellulose fibers, nitrile rubber and starch
07/16/1985US4529447 Containing an acid anhydride and emulsifier
07/16/1985CA1190359A1 Modified cellulosic fibers and method for preparation thereof
07/10/1985EP0147429A1 A method for preparing impregnated cellulose fibers having a low water retention and products hereby obtained
07/09/1985US4528350 Polymers of α,β-unsaturated N-substituted carboxylic acid amides
07/09/1985US4528316 Creping adhesives containing polyvinyl alcohol and cationic polyamide resins
07/09/1985US4528204 Preparation of hydrolyzed collagen-containing products from non-gelled liquid hydrolyzed collagen concentrate and gelled products prepared therefrom
07/09/1985CA1190346A1 Hydroxyisopropylmelamine modified melamine- formaldehyde resins
07/04/1985WO1985002857A1 Stable latexes having phosphorus-containing surface groups
07/03/1985EP0147380A2 Functionalized polyacrylamide grafted starch polymer wet strength additives
07/03/1985EP0147035A2 Paper-polymer product
06/1985
06/26/1985EP0146000A1 Process for preparing paper or card-board having a high dry and wet strength and alcali resistance
06/26/1985EP0145849A1 Filter paper
06/26/1985EP0145829A1 Method for preparing silicone-treated starch
06/25/1985US4525423 Fluorochemical copolymers and ovenable paperboard and textile fibers treated therewith
06/25/1985CA1189255A1 Low density fibrous sheet material
06/20/1985WO1985002635A1 Method of making paper with high filler content
06/19/1985EP0145686A2 A flocculating agent and a process for its production
06/19/1985EP0145522A1 Paper sheet, process for producing it, and its applications in particular as a substitute for impregnated glass fibre mats
06/19/1985EP0144658A1 Tissue products containing internal aqueous barriers
06/19/1985EP0144553A1 Non-woven activated carbon fabric
06/18/1985CA1188861A1 Method for upgrading paper and the product formed thereby
06/12/1985EP0144284A1 Process for paper sizing with anionic, hydrophobic sizes and cationic retention agents
06/11/1985US4522686 Aqueous sizing compositions
06/11/1985CA1188836A1 Dicyandiamide-formaldehyde condensates modified with urea and process for preparing the same
06/11/1985CA1188835A1 Epihalohydrin modified dicyandiamide-formaldehyde condensates and process for preparing the same
06/11/1985CA1188834A1 Water-soluble thermosettable resinous compositions containing dicyandiamide-formaldehyde condensates modified with epihalohydrin and process for preparing the same
06/11/1985CA1188833A1 Dicyandiamide-formaldehyde condensates modified with acrylamide and process for preparing the same
06/11/1985CA1188498A1 Hydroxy-aluminum/lignin sulfonate compositions
06/05/1985EP0143175A1 Cross-linkable resinous aqueous dispersions not containing formaldehyde, method for their preparation and their application
06/04/1985US4521450 Method of increasing the electrical conductivity of cellulose-based materials or other impregnable materials
05/1985
05/29/1985EP0142795A2 Flat-shaped sealing material
05/28/1985US4520159 Process for producing polyaminopolyamides containing halohydrin functionality
05/28/1985CA1188041A1 Polyamines containing urea groups, their preparation, their use as retention agents and agents containing them
05/28/1985CA1187659A1 Method of improving wet tensile strength of paper
05/28/1985CA1187658A1 Aqueous sizing compositions
05/23/1985WO1985002205A1 Improvements in the coating of cellulosic base stocks and the products thereof
05/15/1985EP0141641A2 Process and compositions for sizing paper
05/15/1985EP0141081A2 Process for the reinforcement of flat fabrics
05/14/1985US4517384 Perfluoroalkyl alkylene vinyl sulfoxides and sulfones