| 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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| 01/19/1993 | US5180765 Biodegradable packaging thermoplastics from lactides |
| 01/19/1993 | US5180473 Cationic Polymer Retention Aid |
| 01/19/1993 | US5180472 Method for the manufacture of anti-static sheets for use in high pressure laminates |
| 01/19/1993 | CA1312989C Bulking pigments |
| 01/19/1993 | CA1312708C Paper fabrication process |
| 01/17/1993 | CA2062038A1 Retention and drainage aid for alkaline fine papermaking process |
| 01/13/1993 | EP0522940A1 Process for the preparation of paper and paper obtained therefrom |
| 01/13/1993 | EP0522722A1 Inorganic ceramic papers |
| 01/13/1993 | EP0522564A1 Paper sizing agent composition |
| 01/13/1993 | EP0522547A2 Carbonyl-containing degradable chelants, uses and compositions thereof |
| 01/13/1993 | EP0522135A1 A kraft liner in multi-layer construction |
| 01/13/1993 | CA2073578A1 Carbonyl-containing degradable chelants, uses and compositions thereof |
| 01/12/1993 | US5179150 Polyvinyl alcohols in combination with glyoxlated-vinyl amide polymers as yankee dryer adhesive compositions |
| 01/12/1993 | US5178730 Paper making |
| 01/11/1993 | CA2073238A1 Paper sizing agent composition |
| 01/07/1993 | WO1993000394A1 Applying a fluoropolymer film to a body |
| 01/07/1993 | EP0521737A1 Process for increasing the solids content of a slurry used in paper manufacturing |
| 01/05/1993 | US5176891 Papermaking |
| 01/05/1993 | US5176794 Flame spread barrier made from mechanically delaminated vermiculite sheet |
| 01/05/1993 | US5176748 Paper sizing |
| 01/03/1993 | WO1993001353A1 A process for the production of paper |
| 01/03/1993 | WO1993001352A1 A process for the manufacture of paper |
| 12/30/1992 | EP0520541A2 Stabilized rosin and process for production and use thereof |
| 12/29/1992 | US5175250 Stabilized rosin and process for production and use thereof |
| 12/29/1992 | CA1312161C Discontinued mineral fiber sizing composition for obtaining isolation products |
| 12/24/1992 | DE4119930A1 Waste foamed polystyrene recovery by dissolving in a solvent - using appts. including means to convey polystyrene from upper container into lower, airtight-closable, solvent container |
| 12/23/1992 | WO1992022705A1 Novel sheet produced by a wet process and application thereof |
| 12/23/1992 | WO1992022601A1 Epihalohydrin-based resins having a reduced halogen content |
| 12/23/1992 | CN1067184A 多异氰酸酯组合物 Polyisocyanate composition |
| 12/22/1992 | US5173547 Copolymers containing perfluoroalkyls |
| 12/22/1992 | US5173521 Polyelectrolyte complexes of cmc salts with cationic water-soluble nitrogen polymers; water absorbency, wet-web strength |
| 12/22/1992 | US5173362 Composite substrate for bipolar electrodes |
| 12/22/1992 | US5173284 Process for preparation of purified calcium sulfate in an aqueous medium |
| 12/17/1992 | DE4119116A1 Biologisch leicht eliminierbare entschaeumer fuer waessrige systeme Biologically easily be eliminated defoamer for aqueous systems |
| 12/16/1992 | EP0518031A1 Dry resin for strengthening wet paper |
| 12/15/1992 | US5171808 Cross-linked anionic and amphoteric polymeric microparticles |
| 12/15/1992 | US5171782 Invert microlatices useful as flotation and drainage additives and for absorption and retention of aqueous fluids |
| 12/15/1992 | US5171627 From wood based raw material |
| 12/15/1992 | US5171365 Synthetic alkali metal alumino-silicates compositions and their methods of preparation |
| 12/11/1992 | WO1992022369A1 Readily biodegradable anti-foaming agent for aqueous systems |
| 12/11/1992 | CA2089074A1 Easily biodegradable antifoaming agent for aqueous systems |
| 12/10/1992 | WO1992021613A1 Precipitated calcium carbonate particles from basic calcium carbonate |
| 12/09/1992 | EP0516885A1 Styrene/acrylic-type polymers for use as surface sizing agents |
| 12/08/1992 | US5169886 Paper sizing agents containing cationic dispersants |
| 12/08/1992 | US5169497 Application of enzymes and flocculants for enhancing the freeness of paper making pulp |
| 12/08/1992 | US5169443 Mechanical delaminated fine particle; low viscosity, opacity |
| 12/08/1992 | US5169441 Cationic dispersion and process for cationizing finely divided particulate matter |
| 12/08/1992 | US5168884 Smoking articles using novel paper wrapper |
| 12/08/1992 | CA1311091C Carbonate-containing mineral fillers, pigments and similar materials |
| 12/03/1992 | DE4117841A1 Fast-penetrating solns. of amino resin, esp. for paper impregnation - contain low-mol. wt. quat. ammonium cpds. with hydroxy-alkyl or amido-alkyl gp. |
| 12/02/1992 | EP0516361A1 Polyisocyanate composition |
| 12/02/1992 | EP0515750A2 Polyamide-epichlorohydrin resin |
| 12/01/1992 | US5168083 High opacity defined kaolin product and method of producing same |
| 12/01/1992 | US5168034 Photographic printing paper support |
| 12/01/1992 | US5167849 Co-condensation product of cationic dicyandiamide resin and polyaluminum hydroxy compound |
| 12/01/1992 | US5167766 Charged organic polymer microbeads in paper making process |
| 12/01/1992 | US5167764 Wet laid bonded fibrous web |
| 11/25/1992 | EP0514864A1 Oxygen detackification in secondary fiber recovery |
| 11/25/1992 | EP0495784A4 Process for making structural aggregate pigments |
| 11/24/1992 | US5165973 Ink jet recording sheet |
| 11/24/1992 | CA1310453C Structured latex particles having reinforcing and opacity characteristics |
| 11/19/1992 | EP0513985A1 Cigarette and wrapper with controlled puff count |
| 11/19/1992 | EP0513984A1 Smoking articles using novel paper wrapper |
| 11/19/1992 | EP0513802A1 Sizing agent for paper |
| 11/19/1992 | EP0513782A2 Nitrogen containing surface active agents derived from rosin acids |
| 11/18/1992 | WO1992020862A1 Production of paper and paper products |
| 11/18/1992 | CN1019128B Method for mfg. borded particulate article |
| 11/18/1992 | CA2102805A1 Production of paper and paper products |
| 11/17/1992 | US5164172 Process for producing aragonite crystal form calcium carbonate with acicular shape |
| 11/17/1992 | US5164046 Coating a web of cellulose fibers, polysiloxane with hydrogen bonding functional groups |
| 11/17/1992 | CA2068470A1 Sizing agent for paper |
| 11/17/1992 | CA1310438C Water repellent composition |
| 11/12/1992 | WO1992019810A1 Wet strength resin composition |
| 11/12/1992 | WO1992019685A1 Composite titania-calcined kaolin opacifying pigments and method for making and using same |
| 11/12/1992 | WO1992016681A3 Binder coated discontinuous fibers with adhered particulate materials |
| 11/11/1992 | EP0512975A1 Insulating wood fibre board |
| 11/11/1992 | EP0512423A2 Aqueous solutions of cationic polyamidoamine resins |
| 11/11/1992 | EP0512038A1 Reducing foaming in paper manufacture. |
| 11/10/1992 | US5161551 Paper wrapper having improved ash characteristics |
| 11/10/1992 | CA2042907A1 Polymer system for improving fine and paper retention and drainage on pulp and paper machine |
| 11/04/1992 | EP0511457A1 Cross-linking urethane urea resin dispersion and manufacturing process therefor |
| 11/04/1992 | CN1065893A Process for producing special closet paper |
| 11/03/1992 | US5160526 Bactericides, fungicides, algicides |
| 11/03/1992 | US5160484 Acrylic acid-ethylene copolymer, sizing agent, softener |
| 10/30/1992 | CA2041444A1 Polyamide-epichlorohydrin resin |
| 10/29/1992 | WO1992018695A1 Improved process for coating alkyl ketene dimer on titanium dioxide |
| 10/29/1992 | WO1992018694A1 Method for sizing paper |
| 10/29/1992 | WO1992018542A1 A method of oxidising carbohydrates |
| 10/29/1992 | WO1992018013A1 Cellulose-based package material having an increased adsorption capacity and process for the manufacture thereof |
| 10/29/1992 | CA2108286A1 A method of oxidising carbohydrates |
| 10/29/1992 | CA2108161A1 Improved process for coating alkyl ketene dimer on titanium dioxide |
| 10/29/1992 | CA2104953A1 Method for sizing paper |
| 10/28/1992 | EP0510987A1 Dehalogenation of organohalogen-containing compounds |
| 10/27/1992 | US5158646 Process for modifying hydrophilic fibers with substantially water-insoluble inorganic substance |
| 10/27/1992 | CA1309545C Inverted microlatex used as flottation and drainage additive, and for the absorption and retention of aqueous fluids |
| 10/21/1992 | EP0509057A1 Alkali metal silicate and oxy-boron compound composition for papermaking |
| 10/20/1992 | US5156719 Acid-stabilized calcium carbonate, process for its production and method for its use in the manufacture of acidic paper |
| 10/20/1992 | US5156718 Made from kraft wood pulp, adjuvants and a binder of a conjugated diene, aromatic vinyl, acrylic and an activatable (hydrolizable) acrylic ester monomer; floor tiles; tensile strength |
| 10/20/1992 | CA1309090C Process for the dry cationization of galactomannans |
| 10/20/1992 | CA1309089C Process for the dry cationization of starch |