| Patents for D21H 25 - After-treatment of paper not provided for in groups (4,291) |
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| 02/08/1993 | CA2075090A1 Doctoring apparatus with flexible blade mounting |
| 02/04/1993 | WO1993002252A1 Improved process for applying a polysiloxane to tissue paper |
| 02/04/1993 | DE4125059A1 Penetrative coating-impregnation of porous non-metallic substrates - by applying easily-evaporated liq., heating and then applying coating-impregnant during cooling, e.g. for restorative work |
| 01/28/1993 | DE4124988A1 Paper coating blade - has sensor in blade mounting assembly to show shift changes for adjustment |
| 01/14/1993 | DE4121203A1 Varnished paper and cardboard dryer - has hollow conductors to deliver microwave energy to moving material across its line of travel |
| 01/07/1993 | WO1993000394A1 Applying a fluoropolymer film to a body |
| 01/06/1993 | CN1067692A Deodorizing and cleaning paper towel for refrigerator |
| 12/22/1992 | US5173362 Composite substrate for bipolar electrodes |
| 12/10/1992 | WO1992021817A1 Process and device for mass conservation of archives |
| 12/10/1992 | WO1992021450A1 Method of producing matt varnished surfaces |
| 12/10/1992 | DE4118731A1 Verfahren zur herstellung matter lackoberflaechen Process for the preparation matt lackoberflaechen |
| 12/10/1992 | DE4118249A1 Verfahren und vorrichtung zur massenkonservierung von archivalien Method and device for mass preservation of archives |
| 12/10/1992 | CA2110258A1 Method of producing matt varnished surfaces |
| 11/25/1992 | EP0514595A1 Method of making coated paper and paperboard utilizing impulse drying |
| 11/23/1992 | CA2043021A1 Method of making coated paper and paperboard utilizing impulse drying |
| 11/19/1992 | EP0513538A2 Use of a ultraviolett radiation device for surface treatment |
| 11/19/1992 | EP0513452A1 Coated printing paper and process for producing the same |
| 11/19/1992 | DE4224729A1 Tissue paper mfg. machine - has stretch belt to crepe and detach paper at the tissue cylinder without cylinder wear |
| 11/17/1992 | US5163236 Method and apparatus for drying webs |
| 11/11/1992 | EP0512971A1 Method and device for coating of a moving base |
| 11/05/1992 | DE4114075A1 Book preservation treatment |
| 10/29/1992 | DE4113942A1 Coating and/or impregnating porous material with (in)organic binder - by placing impregnated and/or coated material in DC field |
| 10/27/1992 | CA1309242C Fibrous tape base material |
| 10/20/1992 | CA1309010C Process for making a package, especially for soft cheese; and package thus obtained |
| 10/15/1992 | WO1992017640A1 Method and plant for processing paper products with a heavy pressurized fluid |
| 10/14/1992 | EP0508254A1 Process and apparatus for heat treatment of a web having a fluid or paste-like composition applied to it |
| 10/13/1992 | US5154982 Consists of virgin wood pulp, polyolefin synthetic pulp, clay and cationic dispered rosin; greaseproof; useful for packaging |
| 10/07/1992 | EP0506957A1 Slackened or creased fibrous sheet |
| 09/08/1992 | WO1992015741A1 A method of densifying crosslinked fibers |
| 09/08/1992 | CA2107214A1 A method of densifying crosslinked fibers |
| 09/08/1992 | CA1307104C Water entanglement process and product |
| 09/03/1992 | WO1992014608A1 Penetration resistant articles and method of manufacture thereof |
| 08/26/1992 | EP0499942A2 Embossed web, method and apparatus for making same |
| 08/26/1992 | CN1063914A Fabric treatment |
| 08/23/1992 | CA2073496A1 Method for embossing webs |
| 08/23/1992 | CA2052746A1 Method for embossing webs |
| 08/19/1992 | EP0499076A1 Solvent for ecologically mass deacidifying book and other paper articles |
| 08/18/1992 | US5140086 Isocyanate modified cellulose products and method for their manufacture |
| 08/18/1992 | US5139815 For adhesive products, quick-curing |
| 08/11/1992 | US5137760 Deacidification process |
| 08/11/1992 | US5137600 Hydraulically needled nonwoven pulp fiber web |
| 08/11/1992 | US5136967 Means for cleaning doctor device for spreader |
| 08/05/1992 | EP0496946A1 Method of and apparatus for coating high speed traveling webs |
| 08/04/1992 | CA1305855C Coating apparatus having a blade with metallic and compressible layers |
| 07/28/1992 | US5133835 Printable, high-strength, tear-resistant nonwoven material and related method of manufacture |
| 07/28/1992 | US5133281 Apparatus for coating a travelling web |
| 07/22/1992 | EP0495637A1 High softness tissue |
| 07/21/1992 | US5132130 Packing books in container where they remain during deacidification procedure |
| 06/24/1992 | EP0491383A1 Nonwoven fabric and production method thereof |
| 06/16/1992 | CA1303435C Cellulosic nonwoven products of enhanced water and/or solvent resistanceby pretreatment of the cellulosic fibers |
| 06/09/1992 | US5120500 Process and device for nonpolluting mass deacidification of books and other paper products |
| 06/09/1992 | US5119755 Doctor |
| 06/09/1992 | CA1302698C Smoothing device for an applying unit |
| 06/03/1992 | EP0488727A1 Paperboard product |
| 06/02/1992 | US5118533 Polymer coating |
| 06/02/1992 | US5118390 Without wet pressing; dry calendering |
| 05/28/1992 | WO1992009645A1 Isocyanate modified cellulose products and method for their manufacture |
| 05/26/1992 | CA1301515C Process for making a premould from fibre-reinforced material |
| 05/13/1992 | EP0485360A2 Fibrous tape base material |
| 05/13/1992 | EP0485240A1 Coated product, and methods for providng a coated substrate or for forming a printed substrate |
| 05/12/1992 | US5112653 Paper coating, turbulent distribution of coating liquid, multiple doctoring treatments |
| 05/10/1992 | CA2055167A1 Method for applying a high solids coating composition to a substrate |
| 05/06/1992 | EP0484101A2 Paper towels having bulky layer |
| 05/06/1992 | EP0483816A1 Hydraulically needled nonwoven pulp fiber web, method of making same and use of same |
| 04/30/1992 | WO1992007135A1 Slackened or creased fibrous sheet |
| 04/29/1992 | EP0482822A2 Stabilized paper substrate for release liners |
| 04/28/1992 | US5108782 Curable blend of crosslinkable silicone, catalyst, and high molecular weight, water soluble polymeric thickener |
| 04/24/1992 | CA2053970A1 Stabilized paper substrate for release liners |
| 04/22/1992 | EP0481024A1 Process for coating a web of material, especially paper or cardboard. |
| 04/21/1992 | US5106457 High strength |
| 04/14/1992 | US5104997 Deacidification using magnesium and(or) zinc alkoxyalkoxide |
| 04/14/1992 | US5104697 Inverted blade metering unit and method for blade-coating a material web |
| 04/14/1992 | CA1298741C Applicator mechanism |
| 04/09/1992 | DE4031313A1 Paper coating doctor rod for cardboard web - has wire wound in out-of-round cross=section to increase rod life for volumetric coating material dosage |
| 04/07/1992 | US5102502 Manufacture of highly compressed paper containing synthetic fibers |
| 04/06/1992 | WO1992006243A1 Vaccum metallization of substrates |
| 04/06/1992 | CA2093136A1 Vacuum metallization of substrates |
| 04/01/1992 | EP0478525A2 Procedure and apparatus for glazing a paper or cardboard web |
| 04/01/1992 | EP0478177A1 Reinforced paperboard |
| 03/29/1992 | CA2052390A1 Reinforced paperboard |
| 03/25/1992 | EP0477019A2 High grade polyethylene paper |
| 03/25/1992 | CN1059767A Medicine toilet paper |
| 03/24/1992 | US5098497 Process for preparing embossed, coated paper |
| 03/21/1992 | CA2051773A1 High grade polyethylene paper |
| 03/18/1992 | EP0475671A2 Strength control embossing and paper product produced thereby |
| 03/18/1992 | CN1059572A 不含甲醛的粘结剂 Formaldehyde-free adhesive |
| 03/17/1992 | CA1297278C Hydroentangled disintegratable fabric |
| 03/11/1992 | EP0474415A2 Method of treating a porous substrate |
| 03/10/1992 | US5094888 Strengthening cellulosic materials |
| 03/10/1992 | US5094717 Synthetic fiber paper having a permanent crepe |
| 03/05/1992 | WO1992003286A1 Isocyanate modified cellulose products and method for their manufacture |
| 03/05/1992 | WO1992003233A1 Acid catalyzed silicone release layers |
| 03/04/1992 | CN1059176A Coating device for coating of size-press roll, paper or board |
| 03/01/1992 | CA2049474A1 Formaldehyde-free binder |
| 02/26/1992 | EP0472355A1 Hydroentangled nonwoven fabric containing synthetic fibers having a ribbon-shaped crenulated cross-section and method of producing the same |
| 02/18/1992 | US5089296 Foam saturation and release coating of a fibrous substrate |
| 02/11/1992 | US5087324 Enhanced absorption rate and water holding capacity |
| 02/05/1992 | CN1015389B Ink receptibility of paper improved by plasma |
| 02/05/1992 | CN1015388B Plasma technique for increasing surface strength of paper |
| 01/29/1992 | EP0120095B1 Method of manufacturing cast-coated paper |