Patents for D21H 23 - Processes or apparatus for adding material to the pulp or to the paper (8,452) |
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04/28/1995 | CA2118198A1 Method and assembly for coating a moving web |
04/25/1995 | US5409534 Device for coating moving webs of paper or board |
04/20/1995 | WO1995010366A1 Floatation coating device for traveling webs |
04/19/1995 | EP0648289A1 Paper colouring apparatus. |
04/19/1995 | EP0481024B1 Process for coating a web of material, especially paper or cardboard |
04/18/1995 | US5407537 Process for sizing paper and similar products |
04/06/1995 | WO1995009276A1 Improvement in security features for paper |
04/06/1995 | WO1995009275A1 Improvement in security features for paper |
04/06/1995 | CA2172623A1 Improvement in security features for paper |
04/04/1995 | US5403446 Apparatus for adjusting creping conditions |
03/30/1995 | WO1995008670A1 Retention aids |
03/30/1995 | CA2144972A1 Retention aids |
03/29/1995 | EP0645614A2 Process for automatic measurement of specific filtration resistance and electrostatic charge of a fibrous dispersion |
03/28/1995 | US5401899 Paper machine coating system |
03/28/1995 | US5401315 Method and device in a size press |
03/28/1995 | US5401314 Device for coating traveling webs of paper or board on both sides using two web guide rolls |
03/23/1995 | WO1995008026A1 Process and device for coating a travelling material web |
03/23/1995 | CA2149300A1 Process and device for coating a travelling material |
03/21/1995 | US5399240 Crosslinked cellulose products and method for their preparation |
03/16/1995 | WO1995007386A1 Papermaking process |
03/16/1995 | DE4330545A1 Doctor device |
03/16/1995 | CA2147276A1 Papermaking process |
03/15/1995 | EP0643167A1 Device for coating a paper web |
03/15/1995 | EP0642613A1 Device for coating a web of paper or cardboard. |
03/14/1995 | US5397601 Applying a size or coating, nip rolling, feeding, spreading and smoothing |
03/10/1995 | CA2131746A1 Coating device |
03/08/1995 | EP0406354B1 Composite fiberboard and process of manufacture |
03/07/1995 | US5395448 Support beam of a coating system |
03/02/1995 | WO1995006164A1 A short dwell coater apparatus |
03/02/1995 | WO1995006163A1 Method for reducing thermal and light-induced brightness reversion in lignin-containing pulps |
03/02/1995 | EP0738345A4 A process for making a paper based product containing a binder |
03/02/1995 | CA2170051A1 Method for reducing thermal and light-induced brightness reversion in lignin-containing pulps |
03/01/1995 | EP0640408A1 Process for a continuous impregnation |
03/01/1995 | EP0640407A1 Process for a continuous impregnation |
02/16/1995 | WO1995004858A1 Coat weight profiling |
02/16/1995 | WO1995004857A1 A process for making a paper based product containing a binder |
02/16/1995 | WO1995004856A1 A process for making a paper based product employing a polymeric latex binder |
02/14/1995 | US5389204 Soft, silky, flannel-like tactile feel |
02/14/1995 | CA1334325C Process for the production of paper |
02/14/1995 | CA1334323C Absorbent structures from mixed furnishes |
02/08/1995 | CA2129724A1 Coating device |
02/02/1995 | DE4426620A1 Paper base for photographic printing |
01/31/1995 | US5385643 Process for applying a thin film containing low levels of a functional-polysiloxane and a nonfunctional-polysiloxane to tissue paper |
01/19/1995 | WO1995002088A1 Production of paper |
01/11/1995 | EP0633353A1 Metering device |
01/11/1995 | EP0515534B1 Coating head for applying a coating suspension layer on a paper sheet |
01/11/1995 | CA2127663A1 Dosing system |
01/10/1995 | US5380180 Apparatus for making pressboard from poly-coated paper using relative movement of facing webs |
01/05/1995 | WO1995000705A1 Crosslinked cellulose products and method for their preparation |
01/05/1995 | WO1995000256A1 Coating device |
01/05/1995 | DE4420242A1 Equipment for the alternative treatment of a running web |
01/05/1995 | DE4415581A1 Paper coating device |
01/03/1995 | US5378497 Method for providing irreversible smoothness in a paper rawstock |
12/27/1994 | US5376177 Coat weight profiling |
12/22/1994 | WO1994029525A1 Reduction of openness of materials |
12/22/1994 | WO1994029524A1 Method for applying an adhesive, applicator device and product |
12/22/1994 | WO1994029523A1 Non-polluting process for increasing the wet strength of paper |
12/20/1994 | US5374335 Sized paper, process for producing same and use thereof |
12/14/1994 | EP0628108A1 Process for treating and sizing paper substrates. |
12/14/1994 | EP0627978A1 Manufacturing process for panels or similar products made of insulating material and panel or product obtained by such process. |
12/06/1994 | US5370735 Roll-coating machine for applying coating colors onto a paper web |
11/30/1994 | EP0626479A1 Coating apparatus for coating moving webs |
11/30/1994 | EP0626478A1 Apparatus for selectively treating a moving web |
11/29/1994 | US5368893 Method and apparatus for coating a material web, especially a paper web or cardboard web |
11/29/1994 | US5368833 Aluminum modified surface, used in papermaking |
11/28/1994 | CA2124468A1 Coating system for coating traveling webs of material |
11/22/1994 | US5366591 Cyclic N-sulfatoimide |
11/22/1994 | US5366551 Coating device for traveling webs |
11/22/1994 | US5365775 Process for automatic measurement of specific filtration resistance and electrostatic charge of a fibrous dispersion |
11/10/1994 | WO1994025672A1 Liquid compositions for improving strength and water repellency of cast cellulosic fiber products |
11/10/1994 | WO1994025268A1 Three dimensional macroscopic assemblages of randomly oriented carbon fibrils and composites containing same |
11/08/1994 | US5362614 Polyolefin coating, alkyl ketene dimer, anionic colloidal silica |
11/02/1994 | EP0622492A2 Coating device for a travelling web of paper or cardboard |
11/02/1994 | EP0622310A2 Heat sealed, ovenable food carton |
11/02/1994 | EP0622127A1 Coating process and apparatus |
11/02/1994 | EP0622126A2 Method and apparatus for applying a coating material to a receiving surface |
11/02/1994 | EP0621916A1 Method and apparatus for crosslinking individualized cellulose fibers |
11/02/1994 | EP0610217A4 Improvements in paper making. |
11/01/1994 | US5360516 Application of fluidized material to a substrate using intermittent charges of compressed air |
11/01/1994 | US5360515 Method for reducing thermal and light-induced brightness reversion in lignin-containing pulps |
10/31/1994 | CA2122089A1 Method and apparatus for applying a coating material to a receiving surface |
10/31/1994 | CA2122075A1 Coating process and apparatus |
10/31/1994 | CA2118771A1 Aqueous suspensions of poly(ethylene oxide) useful as retention aid in paper manufacture |
10/29/1994 | CA2122323A1 Coating system for running webs of paper or cardboard |
10/28/1994 | CA2122171A1 Device for selective treatment of material webs |
10/25/1994 | US5358554 Mixture of paraffin wax ans alkali metal silicate |
10/25/1994 | CA1332663C Method of colouring or tinting paper |
10/19/1994 | EP0619850A1 Production of paper and paperboard |
10/19/1994 | EP0465467B1 A coater apparatus |
10/18/1994 | US5356364 Method for embossing webs |
10/17/1994 | CA2121309A1 Heat sealed, ovenable food carton |
10/13/1994 | WO1994023127A1 A method of coating paper and an apparatus therefor |
10/13/1994 | WO1994023126A1 Device for coating a web of paper or cardboard |
10/11/1994 | US5354425 Tissue paper treated with polyhydroxy fatty acid amide softener systems that are biodegradable |
10/11/1994 | US5354376 Flotation coating device for traveling webs |
10/11/1994 | CA1332303C Method and apparatus for forming a dry web on the wire |
10/05/1994 | EP0617748A1 Lining material, method for coating a material for producing a lining |
09/28/1994 | EP0617167A1 Method and equipment for limitation of the coating width and/or for prevention of damage to the roll ends in coating or surface-sizing of paper or of an equivalent web material |
09/27/1994 | CA1332134C Processes for the production of antistatic or static dissipative paper, and the paper products thus produced, and apparatus utilized |
09/27/1994 | CA1332127C Method for making coated and printed packaging material on a printing press |