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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03/19/1980 | EP0008761A1 Paper sizing agent and paper sized therewith |
03/18/1980 | US4193841 Latex binder |
03/11/1980 | CA1073162A1 Process for treating mechanical pulps and/or products prepared therefrom |
03/04/1980 | US4191820 Polyepihalohydrin, ethylenediamine |
03/04/1980 | US4191610 Upgrading waste paper by treatment with sulfite waste liquor |
03/04/1980 | CA1073140A1 Resol resins |
02/26/1980 | US4190610 Catalytic codimerization of norbornadiene with pentadiene |
02/26/1980 | US4190492 Incorporating balls formed from aqueous composition of fiberboard dust, galactomannan gum, crosslinker into aqueous fiberboard slurry |
02/26/1980 | US4190491 Process for controlling pitch in papermaking |
02/26/1980 | CA1072258A1 Ground limestone as a filler in paper |
02/19/1980 | US4189345 Fibrous compositions |
02/12/1980 | US4188446 Ethylene-vinyl acetate latex, alkali metal alkylnaphthalene sulfonate |
02/12/1980 | CA1071517A1 Composite sheet material for use in covering walls, and a method of manufacturing same |
02/12/1980 | CA1071497A1 Rosin dispersions |
02/06/1980 | EP0007705A1 Modified aminoplast condensation products and process for their preparation |
02/05/1980 | US4187142 Method for forming high strength composites |
01/22/1980 | US4185017 N-(formylaminomethyl)-e-caprolactams by condensing formamide, formaldehyde and e-caprolactam; used as amino resin curing agents |
01/22/1980 | US4184914 Foam coating of paper employing a hydrolyzed protein foaming agent |
01/22/1980 | CA1070182A1 Vesiculated silica microspheres containing inorganic pigment |
01/22/1980 | CA1070055A1 Pigmented microporous silica microspheres |
01/15/1980 | US4183783 Semisynthetic paper structure on a urea basis |
01/15/1980 | CA1070038A1 Adhesive repellent coatings and substrates coated therewith |
01/15/1980 | CA1069742A1 Pulp sheet formation |
01/09/1980 | EP0006390A1 Process of forming a fibrous web by the papermaking technique in order to improve the binding and retention, web obtained by this process and its use as a substitute material for asbestos products and as a printing or writing support |
01/09/1980 | EP0006362A1 Process for the production of non-combustible asbestos-free board products |
01/09/1980 | EP0006360A1 A polymeric wet strength paper additive and a process for improving the wet strength of a fibrous cellulosic substrate |
01/09/1980 | EP0006112A1 Process for preparing thermosetting urea formaldehyde resins and their use for impregnating and/or coating supporting webs of wood-based boards |
01/08/1980 | US4182839 Storage stability, amine modifiers |
01/08/1980 | US4182649 Self-supporting cushion-like laminates and sheets |
01/01/1980 | US4181567 Paper manufacture employing filler and acrylamide polymer conglomerates |
01/01/1980 | US4181566 Cellulosic materials internally sized with ammoniated acid copolymers and epihalohydrin/alkylamine reaction products |
12/25/1979 | CA1068452A Aqueous fortified rosin dispersions |
12/18/1979 | US4179370 Flocculating agent comprising water-in-oil emulsion of stabilizer plus NH-active polymer carrying formaldehyde and amine radicals |
12/18/1979 | CA1068055A1 Paper sizing process |
12/12/1979 | EP0005905A1 Aminoplast resin particles, a process for their manufacture and their use in paper products |
12/11/1979 | US4178205 High strength non-woven fibrous material |
12/11/1979 | US4178204 Wet-strength of wet glass fiber mats by treatment with anionic polyelectrolytes |
12/11/1979 | US4178203 Method of increasing the strength of wet glass fiber mats made by the wet-laid process |
12/11/1979 | CA1068043A1 Polymers containing dioxathiazole-2-oxide groups |
11/27/1979 | US4176107 Water-soluble dispersions of high molecular water-soluble polymers containing a surfactant and a water-soluble organic carrier which is a hydroxy compound containing repeating alkylene oxide units |
11/20/1979 | US4174998 Preflocculated filler compositions for use in the manufacture of paper |
11/20/1979 | CA1066461A1 Pre-treatment of non-wovens |
11/15/1979 | WO1979000898A1 Transfer sheet for electrostatic photography |
11/14/1979 | EP0005419A1 Aluminium sulphate compositions containing polynuclear complexes and a method of producing the same and the use thereof |
11/14/1979 | EP0005241A1 Polyalkylene polyamines containing quaternary ammonium groups, method for their preparation and their use as auxiliary agents in paper making |
11/14/1979 | EP0005201A1 Paper sizing agent |
11/13/1979 | CA1066145A1 Reinforced wallboard and method of making the same |
10/17/1979 | EP0004833A2 Paper-like fibre product and method of manufacturing such a product |
10/17/1979 | EP0004537A2 Process for the preparation of aqueous polymer suspensions |
10/09/1979 | US4170672 Wet and dry strength, acrylamide-quaternary acrylate polymer modified with glyoxal |
09/25/1979 | CA1063276A1 Nitrogenous condensation products |
09/18/1979 | CA1062832A1 Method for surface gluing and coloring of paper and cardboard |
09/18/1979 | CA1062596A1 Resin impregnant containing water soluble sillcate |
09/11/1979 | US4167439 Non-ionic, water-soluble polymers for improving the dry-strength of paper |
09/11/1979 | CA1062072A1 Radiation-curable mercaptoalkyl vinyl polydiorganosiloxanes |
09/04/1979 | US4166894 Quaternary ammonium compounds or polymers having amide groups |
08/28/1979 | US4166002 Polyamines containing acid groups that are useful in papermaking |
08/22/1979 | EP0003499A1 Process for the manufacture of water-soluble condensation products, their use in papermaking and process-aids containing these condensation products |
08/22/1979 | EP0003481A2 Highly filled sheets and method of preparation thereof |
08/21/1979 | CA1060606A1 Cellulose and cellulose products modified by silicic acid |
08/14/1979 | US4164595 Premoistened flushable wiper |
08/14/1979 | CA1060244A1 Method for the manufacture of a mineral fibre sheet |
08/08/1979 | EP0003220A1 A method of increasing the strength of wet glass fiber mats made by the wet-laid process |
08/08/1979 | EP0003214A1 A method of manufacturing glass fibre mats from an aqueous dispersion of glass fibres and a method of forming said dispersion |
07/31/1979 | US4162934 Method of producing sorption bodies |
07/31/1979 | CA1059269A1 Flame resistant paperboard |
07/25/1979 | EP0003163A1 One-component binder fiberboard |
07/24/1979 | US4162180 Producing embossed wall- or ceiling-covering of cellulosic pulp and two different discrete thermoplastic materials |
07/17/1979 | US4161455 Detergents |
07/17/1979 | US4161423 Use of a dissolved cellulose as a dry strength agent and drainage aid for paper |
07/17/1979 | CA1058794A1 Crosslinked polyamidoamine condensation products for papermaking |
07/17/1979 | CA1058788A1 Non-aqueous dispersions of water-soluble polymers and aqueous solutions therefrom |
07/10/1979 | US4160753 Process for the production of polyamide-polyureas and dispersions thereof in water |
07/03/1979 | CA1057892A1 Functional ionene compositions and their use |
07/03/1979 | CA1057600A1 Disposable nonwoven wet wipe |
07/03/1979 | CA1057467A1 Method of preparing aqueous dispersions of fortified rosin |
06/27/1979 | EP0002518A2 Condensation product of epsilon-caprolactam, formaldehyde and formamide, aminoplast modified by this condensation product and process for the preparation of the aminoplast |
06/27/1979 | EP0002475A1 Amide groups-containing polyamines, process for their preparation, their use in the manufacture of paper and additives containing these polyamines |
06/27/1979 | EP0002474A1 Polyamines containing amide groups and their use in paper manufacture |
06/26/1979 | CA1057009A1 Method of making a novel starch derivative and the product produced thereby |
06/12/1979 | US4157982 Emulsifying alkali metal alkylbenzene sulfonate, rosin, and water |
06/12/1979 | US4157937 Resole resin and polyvinyl acetate impregnated filter paper |
06/12/1979 | US4157920 Novel precipitated siliceous products and methods for their use and production |
06/05/1979 | US4157275 Polyvinyl alcohol fibers containing acicular colloidal clay |
05/30/1979 | EP0002044A1 Impregnation agent for cellulosic fibrous materials |
05/29/1979 | US4156775 Retention aids for sizing agents and dyes and as antistatic agents |
05/29/1979 | CA1055292A1 Manufacture of paper |
05/22/1979 | US4155847 Cationic polymer flocculant prepared by reacting epichlorohydrin and a Mannich reaction product |
05/22/1979 | CA1054758A1 Process for preventing the separation of resins in paper making |
05/16/1979 | EP0001868A1 Paper sizing agent |
05/15/1979 | US4154714 Vinyl endcapped polysiloxane, organohydrogen polysiloxane |
05/02/1979 | EP0001697A1 Hydrophilic air-drying polymer |
05/02/1979 | EP0001679A1 Particulate polyurethane polymers in the form of micro-bits, a process for their preparation and aqueous slurries containing them |
05/01/1979 | US4152312 Semiesters of diisobutylene/maleic anhydride copolymer in the form of alkali, amine or ammonium salts |
05/01/1979 | US4152307 Process for production of a water-in-oil polymer emulsion having an excellent fluidity using an acrylic monomer containing quarternary ammonium salt |
05/01/1979 | US4152201 Sizing |
05/01/1979 | US4152200 Process for draining formed paper |
05/01/1979 | US4152199 Synergistic starch xanthates and polyamides modified with epichlorohydrin |
05/01/1979 | CA1053842A1 Aminopolyamide-acrylamide-glyoxal resin |
05/01/1979 | CA1053824A1 Stabilized aqueous solution of a bisulphite blocked polyisocyanate |