| 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) |
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| 07/12/1994 | US5328566 Process for producing inorganic fiber-based prepreg sheet and process for producing insulating laminate |
| 07/07/1994 | WO1994014873A1 Water-soluble condensation products of compounds containing amino groups with cross-linking agents, method of preparing them and their use |
| 07/07/1994 | WO1994014621A1 Security element to prevent copying of protected documents |
| 07/07/1994 | CA2145667A1 Water-soluble condensation products of compounds containing amino groups with crosslinking agents, method of preparing them and their use |
| 07/05/1994 | US5326499 Antifoams for the paper industry, based on oil-in-water emulsions |
| 07/05/1994 | US5326491 Detergents containing certain sulfonated dibenzofuranylbiphenyls |
| 07/05/1994 | US5326434 Applying polyvinyl alcohol and polyhydric alcohol to paper web |
| 07/05/1994 | CA2110366A1 Quaternized polyvinylamine retention aids |
| 06/28/1994 | US5324079 Security document having a security thread embedded therein |
| 06/28/1994 | CA1330381C Process for preparing soft tissue paper treated with a polysiloxane |
| 06/23/1994 | WO1994013883A1 Process for the preparation of a hydrophobic sizing agent dispersion |
| 06/23/1994 | WO1994013882A1 Use of hydrolysed copolymers of n-vinyl carboxylic acid amides and monoethylenisally unsaturated carboxylic acids in the manufacture of paper |
| 06/23/1994 | WO1994013881A1 Wet nonwoven cloth and method of manufacturing the same |
| 06/23/1994 | WO1994013768A1 Nitrogen-free anionic-active brighteners |
| 06/23/1994 | WO1994013749A1 Thin film security device (tfsd) application process and adhesive therefor |
| 06/22/1994 | EP0603116A1 Reactive azo dyestuffs |
| 06/22/1994 | EP0602891A1 Legionella effective biocide for aqueous based systems |
| 06/22/1994 | EP0602881A1 Wet wipe |
| 06/22/1994 | EP0502089B1 Silica sols, a process for the production of silica sols and use of the sols |
| 06/22/1994 | EP0491879B1 Silica sols, a process for the production of silica sols and use of the sols |
| 06/22/1994 | CN1088279A Napkin paper with natural drug |
| 06/22/1994 | CN1088278A Paper for hard pen calligraphy |
| 06/16/1994 | DE4241727A1 Self-dispersing organo-polysiloxane compsns., esp. for wood treatment - contain salt of an organo-polysiloxane contg. basic nitrogen, water-insoluble filler, etc., and opt. a basic nitrogen-contg. organo-silicon cpd. |
| 06/15/1994 | EP0601401A1 Duplicated azo dyes |
| 06/14/1994 | US5320757 Method of inhibiting calcium oxalate scale deposition |
| 06/14/1994 | US5320712 Method for sizing of paper |
| 06/11/1994 | CA2102949A1 Organopolysiloxane-containing compositions which are self-dispersing in water |
| 06/10/1994 | CA2110523A1 Defoamer composition |
| 06/09/1994 | WO1994012560A1 Condensation products of polyalkylene polyamines, and their use in papermaking |
| 06/09/1994 | CA2150112A1 Condensation products of polyalkylene polyamines, and their use in papermaking |
| 06/09/1994 | CA2110856A1 Legionella effective biocide for aqueous based systems |
| 06/08/1994 | EP0600264A1 Process for the manufacture of water-soluble polymers by aminolysis of polyacrylonitrile |
| 06/08/1994 | EP0600251A1 Process for uniforming the composition of a paper web |
| 06/07/1994 | US5318669 Enhancement of paper dry strength by anionic and cationic polymer combination |
| 06/06/1994 | CA2110349A1 Doubled azo dyes |
| 06/01/1994 | EP0599675A1 Security paper, in particular for use as a passport flyleaf |
| 06/01/1994 | EP0599440A1 Pitch reduction on paper machine surfaces |
| 06/01/1994 | DE4240110A1 Kondensationsprodukte von Polyalkylenpolyaminen, Verfahren zu ihrer Herstellung und ihre Verwendung bei der Herstellung von Papier Condensation products of polyalkylenepolyamines, to processes for their preparation and their use in the production of paper |
| 06/01/1994 | CN2167120Y Comfortable paper towel |
| 05/31/1994 | US5316942 Slurrying insoluble collagen, adjustment of pH to dissolve, adding proteolytic enzymes and water |
| 05/31/1994 | US5316840 Wallpaper |
| 05/31/1994 | US5316623 Absorbance and permanent wet-strength in tissue and toweling paper |
| 05/26/1994 | WO1994011577A1 A method of producing visible, continuous streaks and/or delimited fields in paper |
| 05/26/1994 | WO1994011575A1 Method and use involving naphthalene sulphonate salt(s) and polyethylene oxide, to improve retention and drainage |
| 05/26/1994 | CA2149042A1 A method of producing visible, continuous streaks and/or delimited fields in paper |
| 05/26/1994 | CA2109866A1 Pitch reduction on paper machine surfaces |
| 05/25/1994 | EP0598372A1 Cylindrical composite paperboard cushion core and process for producing same |
| 05/25/1994 | EP0518909B1 Water-insoluble azo dyes, their manufacture and use |
| 05/25/1994 | EP0408567B1 Retention and drainage aid for papermaking |
| 05/25/1994 | CN1087150A Fire retarding damp-proof agent for carton or paper products and producing process |
| 05/25/1994 | CN1024670C Process for preparing aqueous dispersion of cationic polymer |
| 05/24/1994 | US5314739 Security paper for bank notes and other documents |
| 05/24/1994 | US5314721 Process for sizing paper |
| 05/24/1994 | CA1329683C Processes for the production of paper and paper board |
| 05/18/1994 | EP0555210A4 Microbiocidal combinations of materials and their use |
| 05/18/1994 | CN1024529C Polymeric basic aluminium silicate sulphate |
| 05/17/1994 | US5312522 Paper products containing a biodegradable chemical softening composition |
| 05/11/1994 | WO1994010381A1 Paper products containing a chemical softening composition |
| 05/11/1994 | EP0596383A1 Copper phthalocyanine-liquid formulation |
| 05/11/1994 | CA2144072A1 Paper products containing a chemical softening composition |
| 05/11/1994 | CA2102742A1 Use of dadmac/acrylamide copolymer on newsprint machines |
| 05/10/1994 | CA1329351C Microbiocidal combinations of materials and their use |
| 05/10/1994 | CA1329312C Paper making process |
| 05/06/1994 | CA2102567A1 Method of homogenizing the constitution of a web of paper |
| 05/04/1994 | EP0595674A1 Process for pH and fire control in pulp balers |
| 05/04/1994 | EP0542841B1 New synergistic composition of 2-(2-bromo-2-nitroethenyl) furan and 2-bromo-2-nitropropane-1,3-diol and uses thereof |
| 05/03/1994 | US5308449 Method for treating a paper pulp with an enzyme solution |
| 05/03/1994 | CA2102143A1 Polydiallyl dimethyl ammonium chloride 3-acrylamido-3-methylbutanoic acid polymers for pitch control in paper mill systems |
| 04/28/1994 | WO1994009209A1 Packaging materials |
| 04/27/1994 | CN1085808A Paper towel for woman use and its prodn. method |
| 04/20/1994 | EP0592572A1 A process for the manufacture of paper |
| 04/20/1994 | CN1085428A Praziquantel skin-smearing paper towel for schistosomisasis prevention and cure |
| 04/20/1994 | CA2108311A1 Process for ph and fire control in pulp balers |
| 04/19/1994 | CA1328659C Use of certain benzotriazole derivatives as light stabilizers for recording materials for ink-jet printing |
| 04/19/1994 | CA1328546C Process for controlling pitch deposits in the pulp and papermaking processes |
| 04/14/1994 | WO1994008092A1 Method of dyeing paper |
| 04/14/1994 | WO1994008091A1 Defoaming agent for the paper industry based on oil in water emulsions |
| 04/14/1994 | CA2141576A1 Defoaming agent for the paper industry based on oil in water emulsions |
| 04/13/1994 | EP0592277A1 Foam process for making paper or non-woven |
| 04/13/1994 | EP0591318A1 Use of anti-foaming agents |
| 04/13/1994 | EP0382795B1 Polyaluminosilicate microgel process and composition |
| 04/13/1994 | CN1085281A Method for mfg. bank-note paper with banana fiber |
| 04/12/1994 | US5302249 Treated papers |
| 04/07/1994 | DE4233040A1 Verfahren zum Färben von Papier A process for dyeing paper |
| 04/06/1994 | EP0591103A1 Disazo colorants for colouring paper |
| 04/06/1994 | EP0590746A1 Proteases to inhibit and remove biofilm |
| 04/06/1994 | EP0590007A1 Applying a fluoropolymer film to a body |
| 04/06/1994 | EP0589917A1 Process for preparing epihalohydrin-based resins having a reduced halogen content |
| 04/05/1994 | US5300194 Pitch control |
| 03/31/1994 | WO1994006540A1 Sheet type and sheet-filter type methyl bromide removing material, and methyl bromide removing method using the same materials |
| 03/31/1994 | DE4232415A1 Entschäumer für die Papierindustrie auf der Basis von Öl-in-Wasser-Emulsionen Defoamer for paper industry on the basis of oil-in-water emulsions |
| 03/30/1994 | EP0493516B1 Fibres of increased specific surface area, a method for their manufacture, fluff pulp consisting of such fibres and the use of the fibres as absorption material |
| 03/30/1994 | CN1084490A Silica sols, a process for the preparation of silica sols and use of the sols |
| 03/29/1994 | CA2106609A1 Proteases to inhibit and remove biofilm |
| 03/23/1994 | EP0588768A2 Process for improving the degree of whiteness, the brightness and the colour location of fillers and pigments |
| 03/23/1994 | EP0588767A1 Process for improving the brightness, the clearness and the colour of wooden fibrous material |
| 03/23/1994 | EP0588239A1 Process and apparatus for preparing pigment and/or filler suspensions especially for the papermaking industry, and pigments for the papermaking industry |
| 03/23/1994 | EP0587692A1 Copying paper in sheet form. |
| 03/22/1994 | US5296284 Dyed hectorite pigments and applications |
| 03/22/1994 | US5296024 Papermaking compositions, process using same, and paper produced therefrom |