Patents for D21H 23 - Processes or apparatus for adding material to the pulp or to the paper (8,452)
07/1993
07/06/1993US5225047 Less fiber breakage
07/06/1993US5224995 Apparatus for applying a coating to a surface of a substrate
06/1993
06/29/1993US5223098 Clay compositions and their use in paper making
06/29/1993US5223090 Method for fiber loading a chemical compound
06/24/1993WO1993010309A3 A short dwell coater apparatus
06/22/1993US5221435 Papermaking process
06/22/1993CA1319287C Method of making soft paper
06/16/1993EP0546587A1 Method and apparatus for applying a conditioning agent to a fibrous material and the resulting product thereof
06/16/1993EP0546580A1 Nonwoven, coated substrates and method of applying a coating at high bath concentration and low wet pick-up
06/15/1993US5219618 Supplying fluid to area bound by web and doctor
06/14/1993CA2069839A1 Nonwoven, coated substrates and method of applying a coating at high bath concentration and low wet pick-up
06/14/1993CA2057609A1 Method and apparatus for applying a conditioning agent to a fibrous material and the resulting product thereof
06/10/1993WO1993011182A1 Conditioned bacterial cellulose
06/08/1993CA1318982C Aqueous suspensions of calcium-containing fillers
06/01/1993US5215626 Wet-laying cellulose fibers to form webs, drying, creping and applying polysiloxane material and surfactant to hot creped webs; balanced softness against tensile strength
05/1993
05/27/1993WO1993010309A2 A short dwell coater apparatus
05/27/1993WO1993010308A1 Structure having controlled water resistance
05/26/1993EP0543764A1 Single or multi-layer recyclable material, with barrier properties against humidity and gases and a process for its manufacture
05/13/1993WO1993009290A1 A coating apparatus
05/13/1993WO1993008925A1 Multiple coat measurement and control
05/13/1993CA2121501A1 A coating apparatus
05/12/1993EP0541232A1 Polyvinyl alcohol in combination with glyoxylated vinyl-amide polymers as creping adhesive compositions
05/12/1993CN1071982A Process for producing bast fiber pulp by oxygen-alkali method for electric insulation paper
05/11/1993US5209982 Method of manufacturing paper for bottle labels
05/05/1993EP0540076A1 Sized paper or pulp, process for producing same and use thereof
04/1993
04/29/1993DE4135195A1 Material distributor for blade coater - has shaped ribs in supply channel to even out distribution across width
04/27/1993US5206056 Method of application and device for application
04/26/1993CA2081143A1 Coating device
04/20/1993US5203920 Device for applying a coating composition to traveling webs of material on two web paths
04/15/1993DE4133501A1 Paper web jet applicator
04/14/1993EP0536649A1 Apparatus for applying a coating colour onto a fibrous web
04/14/1993EP0536276A1 Co-extrusion method
04/11/1993CA2080397A1 Device for application of coating color on a fiber web
04/06/1993US5200037 Absorbent structures from mixed furnishes
04/06/1993US5199991 Short dwell coater apparatus
04/06/1993CA1315834C Atomizer
03/1993
03/31/1993EP0534656A1 Papermaking process
03/31/1993EP0367772B1 Method and apparatus for coating a paper web
03/25/1993DE4130118A1 Vorrichtung zum beschichten einer um eine gegenwalze gefuehrten materialbahn, insbesondere einer papier- oder kartonbahn Coating apparatus for an order against a roller GUIDED material web, especially a paper or cardboard web
03/24/1993EP0533643A1 Method and coating device for the coating of a size-press roll, paper or board
03/24/1993EP0533035A1 Apparatus for coating a fibrous web
03/24/1993EP0533022A1 A method for controlling the coating colour build-up on a blade at coating stations in a paper coating machine
03/20/1993CA2078735A1 Device for applying coating color to a fiber web
03/18/1993WO1993005229A1 Apparatus for adjusting the creping conditions
03/16/1993US5194120 Production of paper and paper products
03/12/1993WO1993005223A1 Device for coating a web of material, in particular a paper or cardboard web, led around a mating roll
03/12/1993CA2094592A1 Device for coating a web material, in particular a paper or cardboard web, led around a mating roll
03/09/1993US5192591 Short dwell coater apparatus
03/09/1993CA1314164C Roll for use in fabrication of coated paper
03/04/1993WO1993003817A1 Paper coater skip prevention and deaeration apparatus & method
02/1993
02/24/1993EP0528248A1 Wet-formed composite and method of manufacturing same
02/23/1993US5188395 Waterproof recording material having ground patterns and its manufacturing method
02/09/1993US5185062 Papermaking process with improved retention and drainage
02/09/1993US5185061 Processes for the production of paper and paper board
02/08/1993CA2075090A1 Doctoring apparatus with flexible blade mounting
02/04/1993WO1993002252A1 Improved process for applying a polysiloxane to tissue paper
02/02/1993US5183691 Paper coating head, apparatus and method
01/1993
01/28/1993DE4124988A1 Paper coating blade - has sensor in blade mounting assembly to show shift changes for adjustment
01/26/1993US5181963 Rolls to remove air in coatings and brushes
01/20/1993EP0523144A1 Process for two-faced coating of a travelling web.
01/19/1993US5179909 Device for dosing coating substances on a traveling web of paper or cardboard or the like
01/19/1993CA1312708C Paper fabrication process
01/17/1993CA2062038A1 Retention and drainage aid for alkaline fine papermaking process
01/12/1993US5179150 Polyvinyl alcohols in combination with glyoxlated-vinyl amide polymers as yankee dryer adhesive compositions
01/12/1993US5178730 Paper making
01/12/1993CA1312462C Apparatus for coating a web with coating mix
01/07/1993WO1993000394A1 Applying a fluoropolymer film to a body
12/1992
12/22/1992US5173120 Coating apparatus having a partitioned coating chamber
12/20/1992CA2071569A1 Doctor blade
12/17/1992DE4119746A1 Paper coating blade - has less bending resistance at end zones to reduce roller wear
12/15/1992US5171612 Process for double coating a traveling web without an intermediate drying step
12/09/1992EP0517223A1 Method of manufacturing coated paper for printing
11/1992
11/26/1992DE4116872A1 Low pressure impregnation of porous solid material - with liq. or gas e.g. tanning agent, dye, pesticide, preserving agent, etc.
11/25/1992EP0514735A1 Nozzle-type coating device for applying coating material to a paper web
11/25/1992CN2122884U Roll-type single-surface colour paper-coating machine
11/24/1992CA2069344A1 Nozzle type coater for application of a coating mixture on a paper web
11/23/1992CA2043021A1 Method of making coated paper and paperboard utilizing impulse drying
11/18/1992WO1992020862A1 Production of paper and paper products
11/18/1992CA2102805A1 Production of paper and paper products
11/17/1992US5164046 Coating a web of cellulose fibers, polysiloxane with hydrogen bonding functional groups
11/11/1992EP0512975A1 Insulating wood fibre board
11/11/1992EP0512046A1 Process for sizing paper and similar products
11/10/1992US5162131 Method and equipment for measurement and regulation of quantity of coating
11/10/1992CA1310006C Phospholipid lubricant for coating moving webs
11/10/1992CA1309855C Coating device
11/10/1992CA1309852C Barrier products
11/03/1992US5159893 Method and apparatus for regulation of the moisture profile of a paper or board web in a film size press
10/1992
10/29/1992WO1992018696A1 A short dwell coater apparatus
10/27/1992CA1309246C Apparatus for coating a web of material
10/20/1992US5156682 Pressing device for doctor having segments linked together
10/20/1992US5155910 Process for manufacturing a doctor bar
10/15/1992WO1992017642A1 Diagnosing disturbances in the wet part chemistry of a paper machine
10/06/1992US5152872 Couch rolls with suction box for depositing, conveying, applying substance on webs and dewatering; efficiency
09/1992
09/30/1992EP0506455A1 Creping aids
09/24/1992DE4108355A1 Paper web coating - neutralises or dissipates electrostatic force between scraper contact point and point where web leaves counter roller
09/22/1992US5149341 Paper coater skip prevention and deaeration apparatus and method
09/17/1992WO1992015754A1 A method for fiber loading a chemical compound
09/17/1992CA2103549A1 Method for fiber loading a chemical compound
09/08/1992US5144967 Flavor release material
09/08/1992CA1307104C Water entanglement process and product
1 ... 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85