| 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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| 06/01/1988 | EP0268998A2 A process for impregnating |
| 06/01/1988 | EP0268848A2 An oxygen absorbent package |
| 06/01/1988 | EP0268809A2 Process for manufacturing melamine resin impregnated sheets |
| 06/01/1988 | EP0268806A2 Anionic polyurethanes |
| 06/01/1988 | EP0268751A1 Water-resistant photographic paper support |
| 06/01/1988 | EP0268729A1 Production of high bulk calendered paper containing vesiculated beads |
| 05/31/1988 | US4748196 Water repellent composition |
| 05/31/1988 | US4748075 Flat sealing material made of a soft substance, particularly for the production of gaskets that are to be subjected to high stresses |
| 05/31/1988 | US4747910 Storage stable paper size composition containing ethoxylated lanolin |
| 05/31/1988 | CA1237323A1 Infusion bag material treatment with fluoro-chemical sizing agent |
| 05/24/1988 | CA1237126A1 Starch cationization |
| 05/17/1988 | US4744864 Cationic grafted starch copolymers as high-strength paper additives |
| 05/11/1988 | EP0266850A2 A composite board comprising inorganic and/or cellulosic materials and a latex composition as a binder, said composite board having dimensional stability and strength |
| 05/11/1988 | CN87106977A Water-proof photographic paper-carrier |
| 05/10/1988 | US4743303 Aqueous dispersions, a process for their preparation and the use of the dispersions as sizing agents |
| 05/10/1988 | CA1236454A1 Monomeric cationic glycoside derivatives |
| 05/05/1988 | WO1988003194A1 Process for making paper |
| 05/03/1988 | US4742105 Binary deflocculating compositions |
| 05/03/1988 | US4741946 Scuff and abrasion-resistant laminates |
| 05/03/1988 | US4741804 Polysaccharide derivatives containing aldehyde groups, their preparation from the corresponding acetals and use as paper additives |
| 05/03/1988 | CA1235961A1 Process for making pulverulent ammonium polyphosphates stable to hydrolysis |
| 04/27/1988 | EP0265389A2 Liquid lubricant filter with a paper filter element for internal combustion engines, provided with magnetised particles dispersed in the paper |
| 04/26/1988 | CA1235639A1 Impregnated fibrous laminates |
| 04/14/1988 | DE3733587A1 Process for solids retention and acceleration of dewatering during papermaking |
| 04/12/1988 | US4737576 Reaction product of dihalogeno(ether)hydrocarbon, polyamine and epihalohydrin |
| 04/12/1988 | US4737239 Process for the manufacture of paper or cardboard which is sized under alkaline or neutral conditions with anionic hydrophobic sizing agents and cationic retention aids |
| 04/12/1988 | US4737238 Screening, dehydration, and delignification |
| 04/12/1988 | CA1235141A1 High charge density, cationic methacrylamide based monomers and their polymers |
| 04/12/1988 | CA1235140A1 High charge density, cationic methacrylamide based monomers and their polymers |
| 04/07/1988 | WO1988002417A1 A method for the manufacture of products containing fibers of lignocellulosic material |
| 04/06/1988 | EP0262983A1 Twin-ply paper |
| 04/06/1988 | EP0262596A2 Oil filter |
| 04/06/1988 | EP0262577A2 Manufacture of high molecular weight poly (vinylamines) |
| 04/05/1988 | US4735685 Process for sizing paper or cardboard with anionic hydrophobic sizing agents and cationic retention aids |
| 03/30/1988 | EP0261820A1 Filler compositions and their use in manufacturing fibrous sheet materials |
| 03/30/1988 | EP0261316A1 Process for producing yellowing-resistant papers, in particular against the action of heat |
| 03/29/1988 | US4734478 Crosslinked carboxyl-containing water absorbing resind powder; sanitary napkins, diapers |
| 03/29/1988 | US4734445 Shell-core polymer; butadiene, isoprene, styrene core, unsaturated polyoxyalkylene shell |
| 03/29/1988 | US4734336 Twin ply papers for ink jet processes |
| 03/24/1988 | WO1988002048A1 Filler compositions and their use in papermaking |
| 03/24/1988 | WO1988002047A1 Method and products for sizing paper and similar materials |
| 03/24/1988 | WO1988001910A1 Processes for the production of antistatic or static dissipative paper, and the paper products thus produced, and apparatus utilized |
| 03/23/1988 | EP0260945A1 Improvement in bulking pigments |
| 03/23/1988 | CN87106213A Filler compositions and their use in manfacturing fibrous sheet materials |
| 03/22/1988 | US4732748 Fillers or opacifiers for paper |
| 03/22/1988 | CA1234439A1 Process for the production of lignosulfonate salt extended phenolic resins |
| 03/16/1988 | EP0259671A1 Invert size for the internal and surface sizing of paper |
| 03/16/1988 | EP0259581A2 Paper-sizing agent based on fatty alkyl diketenes and cationic polyacryl amides and terpolymers of acryl amide, N-vinyl imidazole and N-vinyl imidazoline |
| 03/15/1988 | US4731162 Polysaccharide derivatives containing aldehyde groups for use as paper additives |
| 03/08/1988 | US4729921 High density para-aramid papers |
| 03/08/1988 | CA1233946A1 Pulp slurry drainage improver |
| 03/08/1988 | CA1233710A1 Coating of cellulosic base stocks and the products thereof |
| 03/02/1988 | EP0257772A1 A process for making paper using a substituted succinic anhydride as a sizing agent |
| 03/02/1988 | EP0257412A1 Paper-sizing agent based on particulate aqueous dispersions |
| 03/02/1988 | EP0257338A2 Improved amphoteric starches and process for their preparation |
| 03/02/1988 | EP0257308A2 Process for the preparation of water-absorptive fibrous material |
| 03/02/1988 | EP0257304A1 Pigment system for paper |
| 03/01/1988 | US4728366 Storage stable paper size composition containing ethoxylated castor oil |
| 03/01/1988 | CA1233594A1 Process for producing polyaminopolyamides containing halohydrin functionality |
| 03/01/1988 | CA1233303A1 Process for the manufacturing of paper, particularly corrugated paper-board, and resulting product |
| 02/25/1988 | WO1988001319A1 Composite materials and method of preparation |
| 02/24/1988 | EP0256290A2 Use of water-glass or a similar substance for applying to supporting materials and process for manufacturing such supporting materials |
| 02/24/1988 | EP0256059A1 Wet-laid, non-woven, fiber-reinforced composites containing stabilizing pulp |
| 02/23/1988 | US4726882 Precipitation of binder onto carbon fibers, drying |
| 02/23/1988 | CA1233185A1 Polyfluoroalkyl esters and their use |
| 02/23/1988 | CA1233007A1 Absorbent structures comprising vegetable absorbent material |
| 02/23/1988 | CA1233006A1 Cationic additive for the manufacture of paper |
| 02/18/1988 | DE3719480A1 Process for manufacturing paper, paperboard and cardboard having a high dry strength |
| 02/17/1988 | EP0255933A2 Dry strength resin of amino/aldehyde acid colloid with acrylamide polymer, process for the production thereof and paper produced therefrom |
| 02/17/1988 | EP0255854A2 Process for the manufacture of cationic poly(vinyl alcohols) |
| 02/16/1988 | US4725318 Filler for paper-making and neutral paper-making process by the use thereof |
| 02/16/1988 | CA1232713A1 Paper-making method |
| 02/16/1988 | CA1232711A1 Stable substituted succinic anhydride/ether-ester emulsifier composition and methods for its use |
| 02/11/1988 | DE3626564A1 Process for producing paper or paper-like materials |
| 02/09/1988 | US4724187 Conductive laminate flooring |
| 02/09/1988 | CA1232698A1 Hydroxyalkyl melamine containing resins and their use in heat and pressure consolidated laminates |
| 02/03/1988 | EP0255318A2 Method of making a water laid fibrous web containing one or more fine powders |
| 02/02/1988 | CA1232392A1 Polyurethane latex useable as a binding agent in papermaking, and its preparation |
| 01/26/1988 | US4721812 2,2-bis-(2-perfluoroalkylethylthio)-acetaldehydes and process for production thereof |
| 01/26/1988 | US4721655 Paper size compositions |
| 01/26/1988 | US4721120 Smoking articles |
| 01/26/1988 | CA1231973A1 META- AND PARA-ISOPROPENYL-.alpha.,.alpha.- DIMETHYLBENZYLAMINE |
| 01/20/1988 | EP0253747A1 Storable aqueous emulsions of addition-curable polysiloxane compositions for coating flexible materials |
| 01/19/1988 | US4720346 Synthetic polymer, shear stability |
| 01/14/1988 | DE3623153A1 Process for producing paper or paper-like materials |
| 01/13/1988 | EP0252858A1 Addition-curable polysiloxane compositions for coating flexible materials |
| 01/12/1988 | US4719272 Monomeric cationic glycoside derivatives |
| 01/07/1988 | EP0251182A1 Vinylamine copolymer, flocculating agent and paper strength increasing agent using the same, as well as process for producing the same |
| 01/07/1988 | EP0251132A1 A method for producing paper |
| 01/05/1988 | US4717758 Papermaking additive |
| 01/05/1988 | US4717452 Substituted alkyl or alkenyl succinic anhydride and phosphates of polyoxyethylene alkyl or alkyl aryl ether esters; papermaking |
| 01/05/1988 | CA1231191A1 Wet strength polyaminopolyamide resins for paper |
| 12/30/1987 | WO1987007884A1 Synthetic alkali metal alumino-silicates, methods and uses, compositions and their methods of preparation |
| 12/30/1987 | WO1987007854A1 Temperature adaptable textile fibers and method of preparing same |
| 12/29/1987 | CA1230708A1 Process for making pulp sheets containing debonding agents |
| 12/23/1987 | EP0249891A1 Process for producing paper and cardboard |
| 12/22/1987 | US4714736 Stable polyamide solutions |
| 12/22/1987 | US4714727 Waxes, rosins, stabilizers, chelating agent; packaging materials |
| 12/17/1987 | WO1987007560A1 Phenol-based resin for the production of laminates and process for the preparation of the resin |
| 12/16/1987 | EP0249583A1 Decorative plastics laminate and method for its manufacture |