| Patents for D21H 21 - Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper impregnating or coating material, characterised by its function, form or properties (20,755) |
|---|
| 10/16/1979 | US4171417 Quaternary diallyldialkyl ammonium and fluoro acrylate monomers |
| 09/18/1979 | US4168338 Acrylic acid copolymer and reactive diglycidyl ether; electrography |
| 09/18/1979 | CA1062832A1 Method for surface gluing and coloring of paper and cardboard |
| 09/18/1979 | CA1062702A1 Disazo dyes |
| 09/04/1979 | US4166758 Calendering and embossing |
| 09/04/1979 | CA1061919A1 Coating compositions, papers coated therewith and processes for the manufacture of coated papers |
| 08/22/1979 | EP0003568A1 Composition comprising optical brightening agents for use in the whitening of paper coating compositions |
| 08/21/1979 | CA1060603A1 Stable concentrated solutions of dyestuffs containing sulfonic acid groups, process for preparing them and their use |
| 08/14/1979 | US4164500 Optical brighteners |
| 07/31/1979 | US4163012 Process for the preparation of concentrated dyestuff solutions |
| 07/31/1979 | CA1059269A1 Flame resistant paperboard |
| 07/17/1979 | CA1058794A1 Crosslinked polyamidoamine condensation products for papermaking |
| 07/10/1979 | CA1057911A1 Transparent paper |
| 06/26/1979 | US4159312 Adsorbed water soluble salt of isobutylene-maleic anhydride copolymer |
| 05/29/1979 | US4156628 Preparation of hydrophilic polyolefin fibers for use in papermaking |
| 05/29/1979 | CA1055292A1 Manufacture of paper |
| 05/22/1979 | CA1054758A1 Process for preventing the separation of resins in paper making |
| 05/15/1979 | CA1054611A1 Process for the manufacture of oxazolyl-stilbene compounds containing sulpho groups |
| 05/15/1979 | CA1054610A1 Stilbene compounds |
| 05/15/1979 | CA1054314A1 Flameproof compositions |
| 05/08/1979 | US4153598 Monoazo and diazo colorants from aminoalkylanilines and bis(aminoalkyl)anilines |
| 05/08/1979 | US4153505 Pyrolyzed aromatic nitrogen-containing thermoset foam |
| 05/08/1979 | CA1053854A1 Flame retarding brominated carbamoyl derivatives |
| 05/01/1979 | US4152481 Enhancing flame retardancy with organobromosilicone fluids |
| 05/01/1979 | US4152199 Synergistic starch xanthates and polyamides modified with epichlorohydrin |
| 04/17/1979 | US4149851 Concentrated aqueous dye compositions containing a low molecular weight amide |
| 04/17/1979 | CA1052689A1 Process for the antimicrobial finishing of paper |
| 04/10/1979 | CA1052374A1 Trisazo dyes |
| 04/03/1979 | CA1051611A1 Composition of calcium carbonate and hydrated tobermorites, its preparation and uses |
| 03/27/1979 | US4146515 Making a lightly oxidized starch additive by adding a cationic polymer to starch slurry prior to heating the slurry |
| 03/27/1979 | US4146041 Humic acid derivatives, ion exchanging |
| 03/20/1979 | CA1051144A1 Method of eliminating or preventing the brightening effect on fibrous materials of anionic optical brightening agents |
| 03/20/1979 | CA1051000A1 Imidazolidine-2,4-dione derivates and their use as pesticides |
| 03/13/1979 | US4144123 Incorporating a crosslinked polyamidoamine condensation product into paper-making pulp |
| 03/07/1979 | EP0000921A1 A method for preparing a high strength composite and fibrous web comprising a dried composite |
| 03/06/1979 | US4143034 Lightfast |
| 01/30/1979 | US4137046 Coating or impregnating with a polyisocyanate, hardening |
| 01/23/1979 | US4136229 Pyrenesulfonic acids, fluorescent dyes |
| 01/16/1979 | US4134722 Reactive dyeing system using phosphorus acid dyes with a cyanamide compound |
| 01/09/1979 | US4133688 Photographic carrier material containing thermoplastic microspheres |
| 01/02/1979 | CA1045440A1 Reaction of tertiary amine and monomeric epichlorophydrin to produce electroconductive coating |
| 12/26/1978 | US4131736 Polymers of sulfonic acid monomers |
| 12/26/1978 | CA1044856A1 Black dye formulation |
| 12/19/1978 | US4130688 Electroconductive resins and intermediates and electroconductive coated paper |
| 12/19/1978 | US4130589 Oxyalkylated alkyl polyamines as defoaming agents |
| 12/12/1978 | US4129563 Optical brighteners |
| 12/05/1978 | US4128558 Fireproofing |
| 12/05/1978 | US4128437 Transparentizing agent for paper |
| 11/21/1978 | US4126608 Process for the production of salts of stilbene-azo and stilbene-azoxy dyes |
| 11/14/1978 | US4125557 Hydrosulfite-bleachable ketonimine dyes for paper |
| 10/17/1978 | US4120747 Use of ozone treated chemithermomechanical pulp in a high bulk tissue papermaking process |
| 10/10/1978 | CA1040098A1 Film or sheet material having antibacterial and antifungal activities |
| 09/26/1978 | CA1039271A1 Azo dyestuffs |
| 09/12/1978 | US4114032 Documents having fibers which are coated with a magnetic or magnetizable material embedded therein and an apparatus for checking the authenticity of the documents |
| 09/05/1978 | US4112155 Anionic latex of an acrylate-vinyl ester-unsaturated acid copolymer |
| 09/05/1978 | US4111650 Stable concentrated liquid preparation of a paper dye of the copper phthalocyanine class |
| 09/05/1978 | US4111649 Dyestuff preparations and processes for their production |
| 09/05/1978 | CA1037952A1 Stillbene derivatives with sulfonic acid groups |
| 09/05/1978 | CA1037867A1 Pesticidal, i.e. fungicidal halogenated nitriles_ |
| 09/05/1978 | CA1037754A1 Use of thermomechanical pulp in a high bulk tissue papermaking process |
| 08/29/1978 | US4110155 Method of manufacturing synthetic resin coated papers |
| 08/22/1978 | US4109056 Starch/latex cast coatings for paper |
| 08/15/1978 | US4107073 Pulp and papermaking additive |
| 08/15/1978 | CA1036303A1 Flame retardant process for cellulosics |
| 07/25/1978 | US4102880 Benzoylated dehydrothio-p-toluidine sulfonic acid-azo-pyridone dyes |
| 07/18/1978 | US4101359 Cellulosic wadding layers bonded to paper carrier sheet |
| 07/11/1978 | US4099913 Froths |
| 07/04/1978 | US4098954 Method for eliminating or preventing the brightening effects of anionic optical brighteners |
| 07/04/1978 | US4098784 Reactive linking to cellulose |
| 07/04/1978 | US4098569 Stable concentrated liquid preparation of paper dyes of the disazo class |
| 06/27/1978 | US4097476 Trisazo dyes having a 2,7-(1-amino-3,6-or 4,6-disulfo-8-hydroxynaphthylene) radical |
| 06/27/1978 | US4097427 Cationization of starch utilizing alkali metal hydroxide, cationic water-soluble polymer and oxidant for improved wet end strength |
| 06/20/1978 | US4096305 Rigid-when-wet paperboard containers and their manufacture |
| 06/06/1978 | US4093605 Auxiliary agent for improving retention, drainage and treatment |
| 06/06/1978 | US4093507 Multicycle compression with rotating paddle wheel |
| 05/23/1978 | US4091130 Encapsulating accelerator acid and/or cross-linking agent in microcapsules which are ruptured upon calendering |
| 05/16/1978 | US4089647 Indole dyes, aniline dyes |
| 05/02/1978 | US4087581 Amino resins |
| 04/11/1978 | US4083840 Disazo dyes having a 6-amino or substituted triazinylamino-1-hydroxynaphthalene-3-sulfonic acid coupling component radical |
| 04/04/1978 | US4082730 Cationic water soluble resin, acrylamide, basic catalyst, addition polymerization |
| 03/28/1978 | US4081318 Applying foamed aqueous binder to rotating cylindrical transfer surface above web |
| 03/28/1978 | US4081286 Grinding, hydration to form a paste, liquefying surfactant |
| 03/28/1978 | US4081132 Credit cards and other security documents |
| 03/14/1978 | US4079044 Glyoxal modified poly(β-alanine) strengthening resins for use in paper |
| 03/14/1978 | US4079043 Glyoxal modified poly(beta-alanine) strengthening resins for use in paper |
| 02/21/1978 | US4075407 Heterocyclic phosphonium salts |
| 02/21/1978 | US4074966 Stable concentrated liquid preparation of a paper dye of the disazo class |
| 01/31/1978 | US4071666 Polystyrene, bromo- or chloromethylated aromatic hydrocarbon ring |
| 01/24/1978 | US4070319 Acrylic, methacrylic, or vinyl ester, for non-woven cellulose base substrate |
| 12/20/1977 | US4064213 Creping process using two-position adhesive application |
| 12/20/1977 | US4063995 Fibrous webs with improved bonder and creping adhesive |
| 11/15/1977 | US4058434 Opacified paper sheet and method for production thereof |
| 11/01/1977 | US4056430 Alkyleneaminophosphonic acid |
| 09/27/1977 | US4051277 Rigid-when-wet paperboard containers and their manufacture |
| 09/27/1977 | US4051084 Benzothiazole |
| 09/20/1977 | US4049807 2-Amino-1,3-thiazines their use and preparation |
| 09/20/1977 | US4049593 Inorganic substance composition and process for producing same |
| 09/06/1977 | US4046935 Phenolic resins |
| 09/06/1977 | US4046502 Basic disazo dyes having two 2-hydroxy-3-substituted carbamoylnaphthyl-1-azophenyl groups for dyeing paper |
| 08/30/1977 | US4045364 Dryness |