| 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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| 04/15/1992 | EP0480600A1 Photographic printing paper support |
| 04/15/1992 | EP0304463B1 A process for the production of paper |
| 04/08/1992 | EP0479554A2 Crosslinkable creping adhesives |
| 04/08/1992 | EP0479056A2 Concentrated aqueous solutions of 2-phenylbenzthiazolazoic dyes |
| 04/07/1992 | US5101840 Cocoa powder pigment |
| 04/01/1992 | EP0478177A1 Reinforced paperboard |
| 04/01/1992 | EP0477220A1 Methods for tagging and tracing materials with nucleic acids. |
| 04/01/1992 | CN1059945A Complex phosphates |
| 03/31/1992 | US5100580 Polycyclic aromatic ketones, printing ink and paper coating, activator in amino resin matrix |
| 03/29/1992 | CA2052390A1 Reinforced paperboard |
| 03/29/1992 | CA2052115A1 Modular handpiece |
| 03/25/1992 | EP0476644A1 Flame retardant nonwoven fabrics |
| 03/25/1992 | CN1059767A Medicine toilet paper |
| 03/24/1992 | US5098521 Papermaking by drainage paper stock in the presence of a copolyner |
| 03/20/1992 | CA2051774A1 Flame retardant nonwoven fabrics |
| 03/19/1992 | WO1992004502A1 Process of manufacture of a single layer thick dry felt through a wet process and single layer thick dry felt obtained thereby |
| 03/11/1992 | EP0474117A1 Compositions |
| 03/10/1992 | US5094691 Refractive index |
| 03/05/1992 | WO1992004501A1 Method for controlling stickies in pulp and papermaking processes using recycled paper |
| 03/05/1992 | WO1992003296A1 Three dimensional imaging paper |
| 03/05/1992 | WO1992003283A1 Method of manufacturing fiber-reinforced plastics material |
| 03/05/1992 | CA2089548A1 Method for controlling stickies in pulp and papermaking processes using recycled paper |
| 03/03/1992 | US5093184 Security paper with metallic patterned elongated security element |
| 02/26/1992 | EP0472311A2 Bacterial inhibiting compositions and their use |
| 02/26/1992 | EP0472075A2 Process for the preparation of polysaccharides |
| 02/26/1992 | EP0471936A1 Protection-foil for flexible circuit-plates |
| 02/26/1992 | CN1059006A Exercise paper capable of repeatedly writing and paiting |
| 02/26/1992 | CN1058894A Toilet paper avoiding enterobiasis |
| 02/25/1992 | US5091550 5,5-bis (perfluoroalkylheteromethyl)-2-hydroxy-2-oxo-1,3,2-dioxaphosphorinanes, derived acyclic phosphorus acids and salts or esters thereof |
| 02/20/1992 | WO1992002135A1 New synergistic composition of 2-(2-bromo-2-nitroethenyl) furan and 2-bromo-2-nitropropane-1,3-diol and uses thereof |
| 02/19/1992 | EP0471313A2 Complex phosphates |
| 02/19/1992 | CN1058746A Napkin paper for sterilizing |
| 02/18/1992 | WO1992003615A1 Method for controlling pitch deposits in pulp and papermaking processes |
| 02/18/1992 | US5089370 Light-sensitive material comprising light-sensitive layer provided on support |
| 02/18/1992 | CA2089549A1 Method for controlling pitch deposits in pulp and papermaking processes |
| 02/15/1992 | CA2049078A1 Complex phosphates |
| 02/14/1992 | CA2048936A1 Biocidal compositions and use thereof |
| 02/12/1992 | EP0470871A1 Additive for paper and its use |
| 02/12/1992 | CN1058628A Mosquito-expelling and antipruritic paper towel |
| 02/12/1992 | CN1058627A Anti-moth paper |
| 02/10/1992 | CA2048541A1 Synergistic composition of 2-(2-bromo-2-nitroethenyl) furan and 2-bromo-2-nitropropane-1,3-diol and uses thereof |
| 02/07/1992 | CA2044049A1 Articles containing microencapsulated materials |
| 02/04/1992 | US5085707 Defined and delaminated kaolin product |
| 02/04/1992 | US5085705 Alumina-silica-sulfates, method of preparation and compositions |
| 01/29/1992 | EP0468917A2 Aqueous dispersion of urea-formaldehyde polymers and their use |
| 01/29/1992 | EP0468558A2 Production of paper and paperboard |
| 01/28/1992 | WO1992002679A1 Water absorption bag |
| 01/28/1992 | US5084307 Immersion of fibers in an ion solution and drying |
| 01/28/1992 | US5084068 Dyes for textiles, cellulose, cotton, leather and paper |
| 01/28/1992 | CA2066694A1 Water absorption bag |
| 01/28/1992 | CA1294955C Coloring paper |
| 01/21/1992 | US5082528 Iron salts as retention agents |
| 01/21/1992 | CA1294721C Paper size based on finely divided aqueous dispersions |
| 01/15/1992 | EP0382795A4 Polyaluminosilicate microgel process and composition |
| 01/14/1992 | US5080759 Method for controlling stickies in pulp and papermaking processes using recycled paper |
| 01/08/1992 | EP0465000A1 Composition for treating coated broke and its use |
| 01/08/1992 | EP0464993A1 process for control of pitch deposition from pulps in papermaking systems |
| 01/08/1992 | EP0464470A2 Crêpe paper, process for making the same, and use |
| 01/07/1992 | CA2046251A1 Aqueous dispersions of urea/formaldehyde polymers and the use thereof |
| 01/04/1992 | WO1992001115A1 The enhancement of fluorescent whitening agents |
| 01/02/1992 | EP0463647A1 Security paper and its manufacture procedure |
| 01/02/1992 | EP0463558A2 Document with forgery-prevention means |
| 12/31/1991 | US5077396 Azo compounds containing two 6-hydroxypyrid-2-one coupling component radicals the nitrogen atoms of which are linked by a biscationic radical |
| 12/31/1991 | US5076969 Fire-retardant |
| 12/31/1991 | US5076888 Process for wetting a paper web during calendering using coating with water-containing microcapsules |
| 12/27/1991 | EP0462365A1 Charged organic polymer microbeads in paper making process |
| 12/26/1991 | WO1991019686A1 Defined and delaminated kaolin product |
| 12/25/1991 | CN1057307A Insect adhesive paper and its fabricating method |
| 12/24/1991 | US5075140 Increased depth of penetration |
| 12/24/1991 | US5074961 Water soluble cellulose ethers |
| 12/24/1991 | US5074959 Hydrophilic, high strength |
| 12/19/1991 | DE4018830A1 New perylene dyestuffs synthesised from perylene blue - used as biochemical tracers, dyestuffs and pigments, in optical light gathering systems, in polymerisation reactions, etc. |
| 12/18/1991 | EP0462063A1 Fluorinated paper sizes |
| 12/18/1991 | EP0461768A1 Defined and delaminated kaolin product |
| 12/18/1991 | CN1057080A Production of primary paper for waterproof and wearproof sizing or sized paper |
| 12/17/1991 | CA1293235C Fine powder of an acrylonitrile-type polymer and method for its production |
| 12/14/1991 | CA2044336A1 Fluorinated paper sizes |
| 12/11/1991 | EP0459991A1 Process for coating finish films and endless edges |
| 12/11/1991 | CN1056911A Multifunctional towel containing pesticide |
| 12/10/1991 | US5071765 Application of multiple enzyme blend to control industrial slime on equipment surfaces |
| 12/10/1991 | US5071591 Antifoaming and defoaming compositions |
| 12/10/1991 | US5071512 Paper making using hectorite and cationic starch |
| 12/10/1991 | CA1292986C Polysaccharide derivatives containing aldehyde groups, their preparation from the corresponding acetals and use as paper additives |
| 12/04/1991 | EP0459552A1 Electroconductive barium sulphate and process for manufacturing the same |
| 12/03/1991 | US5069893 Polymeric basic aluminum silicate-sulphate |
| 11/27/1991 | EP0458657A1 Absorbent perf-embossed debonded pulp board |
| 11/27/1991 | CA2043171A1 Electrically conductive barium sulfate and process of producing it |
| 11/26/1991 | US5068132 Method for applying a water repellant composition with a water carrier using a dispersing means |
| 11/26/1991 | US5068008 On a plastic strip with a metallized surface, applying a solvent resistant pigment marking, applying a second coating |
| 11/19/1991 | CA1292238C Salicylic acid esters of carbocyclic alcohols as perfumes or scenting agents, perfumery compositions and salicylic acid esters |
| 11/19/1991 | CA1292152C Pattern forming saturator |
| 11/14/1991 | WO1991017243A1 A cellulase preparation comprising an endoglucanase enzyme |
| 11/13/1991 | CN1014736B Stencil paper with heat-sensitive resin display layer |
| 11/05/1991 | US5063248 Biocidal compositions and use thereof containing a synergistic mixture of glutaraldehyde and 2-(decylthio) ethanamine |
| 11/05/1991 | US5063163 Method of detecting counterfeit paper currency |
| 10/31/1991 | WO1991016402A1 Flame-proofing compositions |
| 10/30/1991 | EP0454382A2 Process and apparatus for coating sheet material |
| 10/30/1991 | EP0453991A1 Method for sizing of paper |
| 10/30/1991 | CN1055780A Fabric tratment process |
| 10/24/1991 | CA2041035A1 Apparatus for coating sheet material |