Patents for D21H 23 - Processes or apparatus for adding material to the pulp or to the paper (8,452)
09/1992
09/01/1992US5143583 Preparation and synthesis of magnetic fibers
08/1992
08/19/1992EP0499448A1 Production of paper
08/16/1992CA2061316A1 Production of paper
08/11/1992US5137668 Heating composite; pressing; cooling
08/05/1992EP0497030A1 Making paper or paperboard
08/05/1992EP0496946A1 Method of and apparatus for coating high speed traveling webs
08/04/1992US5135613 Polycyanguanidine(urea)ammonium chloride
08/04/1992US5134958 Doctor apparatus for applying fluid material to a substrate
08/04/1992CA1305854C Method and apparatus for coating a paper web
07/1992
07/28/1992US5134179 Composite fiberboard and process of manufacture
07/28/1992US5133996 Method and apparatus for coating a web
07/28/1992US5133281 Apparatus for coating a travelling web
07/28/1992CA1305805C Composite flooring felt for vinyl flooring containing latexes and an activator and a process for preparing the same
07/21/1992US5131910 Method of coloring or tinting paper: adding red, yellow and blue dyes in selected proportions to base furnish
07/14/1992US5129989 Recycled cellulosic fibers with cationic starch and anionic starch for paper
07/08/1992EP0493516A1 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.
07/07/1992US5127994 Process for the production of paper
07/07/1992CA1304542C Sizing pulp
07/01/1992EP0491879A1 Silica sols, a process for the production of silica sols and use of the sols.
06/1992
06/30/1992US5126014 Retention and drainage aid for alkaline fine papermaking process
06/30/1992US5126013 Mica and vermiculite paper and its preparation
06/16/1992US5122396 Spreading with grooved coating bar which has smooth ends to scrape coating off moving base
06/09/1992US5119755 Doctor
06/02/1992US5117767 Device for coating a web of material traveling around a backing roll
06/02/1992CA1302020C Manufacturing process for paper
05/1992
05/26/1992CA1301413C Process for producing a neutral paper
05/20/1992EP0485498A1 Treatment of fibrous materials.
05/19/1992US5114539 Water removal by replacement with liquid hydrocarbon; pressing
05/19/1992US5114538 Process for sizing paper and similar products
05/13/1992EP0485240A1 Coated product, and methods for providng a coated substrate or for forming a printed substrate
05/13/1992EP0485124A1 Paper making process
05/12/1992US5112653 Paper coating, turbulent distribution of coating liquid, multiple doctoring treatments
05/10/1992CA2055167A1 Method for applying a high solids coating composition to a substrate
05/06/1992CN1060773A Flavor release material
05/05/1992US5110412 Method of manufacture of paper or cardboard using recycled fibers treated with enzymes
05/05/1992US5109792 Coating head for applying a coating suspension layer on a paper sheet
04/1992
04/30/1992WO1992006796A1 Doctor blade for use in coating continuous strips of material or similar substrates
04/30/1992CA2071948A1 Doctor blade for use in coating continuous strips of material or similar substrates
04/29/1992EP0482587A1 Flavor release material and method of manufacturing same
04/28/1992US5108794 Method for compensation of doctor blade deflection
04/28/1992CA1299594C Coater and method of operating such coater
04/28/1992CA1299360C Drawdown machine
04/23/1992DE4033481A1 Rakelelement zum beschichten von warenbahnen oder aehnlichem Blade element of the coat were tracks or the like
04/23/1992CA2044078A1 Flavor release material
04/22/1992EP0481746A1 Recovery of surfactant from papermaking process
04/22/1992EP0481745A1 Foam forming method and apparatus
04/22/1992EP0481024A1 Process for coating a web of material, especially paper or cardboard.
04/16/1992DE4133439A1 Continuous measurement of water retention in paper coating - is through brilliance values of measured reflected light at coating station
04/16/1992CA2053427A1 Apparatus for the wet end coating of paper
04/15/1992EP0480897A1 Device for metering of a coating agent onto a moving base
04/15/1992EP0304463B1 A process for the production of paper
04/14/1992US5104698 Method for impregnating a fibrous base material with a substantially air-free varnish
04/14/1992US5104697 Inverted blade metering unit and method for blade-coating a material web
04/14/1992US5103759 Doctor bar
04/14/1992CA1298741C Applicator mechanism
04/07/1992US5102502 Manufacture of highly compressed paper containing synthetic fibers
04/07/1992US5101760 Applicator for coating traveling webs and coating process
04/06/1992WO1992006243A1 Vaccum metallization of substrates
04/06/1992CA2093136A1 Vacuum metallization of substrates
03/1992
03/31/1992CA1298079C Coating apparatus and method
03/24/1992US5098520 Papermaking process with improved retention and drainage
03/10/1992US5094886 Method and apparatus for pattern impregnation of paper and other non-woven web
03/04/1992CN1059176A Coating device for coating of size-press roll, paper or board
02/1992
02/18/1992US5089370 Light-sensitive material comprising light-sensitive layer provided on support
01/1992
01/29/1992EP0468558A2 Production of paper and paperboard
01/21/1992US5081951 Coater for a web of material that travels around a backing roll
01/21/1992US5081950 Coating device
01/15/1992EP0466007A2 Method of operation of a coating device comprising a roller having a metal core and a rubber cover
01/14/1992CA2047045A1 Roll with a rubber or rubber-like sheath for coating or other applicator devices
01/09/1992WO1992000418A1 Co-extrusion method
01/07/1992US5078081 Device for coating a material web
12/1991
12/31/1991US5077095 Flexible blade coating arrangement and method with compound blade loading
12/31/1991US5076888 Process for wetting a paper web during calendering using coating with water-containing microcapsules
12/27/1991WO1992000419A1 Procedure and means for controlling a doctor coating process
12/27/1991EP0462953A1 A process for the production of paper
12/27/1991CA2086249A1 Procedure and means for controlling a doctor coating process
12/24/1991US5075128 Silicone applicator with overflow control
12/24/1991US5074963 Mixing self-curing latex into fiber slurry
12/24/1991US5074776 Paper-coating
12/24/1991US5074243 Method and device for coating webs of material, especially webs of paper or cardboard
12/11/1991EP0460771A1 An apparatus and a process for preventing stalagmite formation in the paper coating operation
12/10/1991US5071675 No significant fiber agglomeration; uniformity; printing paper; milk carton top ply paper
11/1991
11/27/1991EP0458035A2 Device for applying a liquid coating product on sheet-like materials
11/27/1991EP0307443B1 Wrapping material, method of manufacture and method of use
11/26/1991US5068079 Method for forming a dry web on the wire
11/19/1991CA1292152C Pattern forming saturator
11/18/1991WO1991017838A1 Flexible blade coating arrangement and method with compound blade loading
11/14/1991WO1991017309A1 Process for coating a web of material, especially paper or cardboard
11/14/1991DE4014463A1 Vorrichtung zum beschichten einer materialbahn, insbesondere einer papier- oder kartonbahn Apparatus for coating a material web, especially a paper or board web
11/12/1991USRE33741 Apparatus and method for controlling the amount of coatings on paper or other materials
11/12/1991US5064692 Method for producing paper products having increased gloss in which surface characteristics of a release film are imparted to coated substrates
11/12/1991US5063873 Doctor device
11/09/1991CA2041845A1 Device for applying a coating composition to travelling webs of material on two web paths
10/1991
10/30/1991EP0454643A1 Coating device for coating of a size-press roll, paper or board
10/30/1991CN1055784A Method for limitation of width of coating in coating of paper or board and device intended for carrying out method
10/29/1991US5061344 Method of making soft paper
10/23/1991EP0453427A2 Method for limitation of the width of coating in coating of paper or board and a device intended for carrying out the method
10/22/1991US5059282 Comprising cellulose fibers and a polysiloxane having pendant fuknctional groups; soft silky feel along with good tensil str ength
10/17/1991WO1991015306A1 Process for two-faced coating of a travelling web
10/16/1991EP0297125A4 Pattern forming saturator and impregnating method
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