Patents for D21B 1 - Fibrous raw materials or their mechanical treatment (6,805) |
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05/23/1995 | US5417806 Cleaning and decontamination of fiber by washing and flotation a suspension |
05/23/1995 | US5416960 Method for the production of fibrous material containing curled fibers |
05/18/1995 | WO1995013148A1 Apparatus, system and method for treating process material such as waste material |
05/17/1995 | EP0653510A2 Process for treatment of printed waste paper |
05/17/1995 | EP0652990A1 Method of processing recycled paper. |
05/17/1995 | EP0652802A1 Device for admixing a processing agent to a pulp suspension. |
05/16/1995 | US5414902 Defibrator with ribs, beater plate, grate and beater bars |
05/11/1995 | WO1995012711A1 A method for manufacturing fiber boards |
05/11/1995 | WO1995012550A1 Deinking of recycled pulp |
05/11/1995 | CA2175251A1 Deinking of recycled pulp |
05/10/1995 | EP0651679A1 Tension bar screen |
05/10/1995 | EP0572388B1 Ctmp-process |
05/04/1995 | WO1995012025A1 A method and an apparatus for production of a fibrous material containing curled fibers |
05/04/1995 | WO1995012024A1 Defibrator having improved defibration |
05/03/1995 | EP0650773A2 Adjustable bar screen |
05/03/1995 | EP0650540A1 Baled waste paper pre-recycling treatment |
05/02/1995 | CA1335406C Process for the manufacturing of bleached chemicothermomecanical pulp |
04/27/1995 | WO1995011334A1 Deinking chemicals |
04/27/1995 | DE4336272A1 Waste paper preparation device |
04/27/1995 | CA2172836A1 Deinking chemicals |
04/26/1995 | EP0649940A1 Method and apparatus for screening waste paper pulp |
04/25/1995 | US5409118 Open air density separator and method |
04/19/1995 | EP0440714B1 Manufacture of moulded objects from a fluidized fibre raw material |
04/18/1995 | US5407538 Device for separating a mixture of paper pulp and contaminants |
04/18/1995 | US5407268 Kneader for the treatment of fibrous pulp suspensions |
04/13/1995 | CA2129865A1 Scraper for wood chip cracking apparatus |
04/06/1995 | WO1995009267A1 Pretreatment of chips |
04/05/1995 | EP0646049A1 A method for manufacturing low bark content wood chips from whole-tree chips |
04/05/1995 | EP0442897B1 Grinding segment |
04/05/1995 | CN2193885Y Stock cutter |
03/30/1995 | WO1995008667A1 Apparatus for fluffing high consistency wood pulp |
03/21/1995 | US5398819 Blade tensioning mechanism |
03/16/1995 | WO1995007384A1 Process and apparatus for manufacturing absorbent granular material |
03/02/1995 | DE4412248A1 Ground straw |
03/01/1995 | EP0640395A1 Plate position measuring system |
03/01/1995 | EP0523047B1 Apparatus for conjoint adjustment of both the inner and outer grinding spaces of a pulp defibrating apparatus |
02/28/1995 | US5392931 Adjustable bar screen |
02/28/1995 | US5392930 Adjustable bar screen |
02/26/1995 | CA2119598A1 Plate position measuring system |
02/22/1995 | EP0639238A1 Method and device for disintegrating recycled paper |
02/22/1995 | EP0639115A1 Apparatus for refining fiber material. |
02/22/1995 | EP0602182A4 Improved apparatus and method for deinking waste paper pulp. |
02/22/1995 | CN2190128Y Mixed fibers separator |
02/21/1995 | US5390860 Method and apparatus for separating paper fiber and plastics from mixed waste materials and products obtained thereby |
02/16/1995 | WO1995004779A1 Biocomposite material and method of making |
02/15/1995 | CN2189620Y Grass sheet sorting machine |
02/14/1995 | CA2024875C Flotation machine for deinking |
02/09/1995 | WO1995004189A1 Method and apparatus for treating filler-containing metarial, such as recycled fibers |
02/09/1995 | WO1995004186A1 Recycle processing of baled waste material |
02/09/1995 | CA2166476A1 Recycle processing of baled waste material |
02/07/1995 | CA2129708A1 Fiber recovery system and process |
01/31/1995 | US5385309 Segmented wood chip cracking roll |
01/25/1995 | EP0635598A1 Process for de-inking waste paper |
01/19/1995 | WO1995001918A1 Bar screen for wood chips |
01/18/1995 | EP0634522A1 Defibrating- or refining disk for paper pulp and process for making the same |
01/18/1995 | EP0634519A1 Reactor for removing impurities from a liquid |
01/18/1995 | EP0613420A4 Board stock and method of manufacture from recycled paper. |
01/18/1995 | CN1097434A Food packing film and its manufacture |
01/11/1995 | EP0633351A1 Recycling waste cellulosic material |
01/10/1995 | CA1333897C Machine and method for sorting out fines and over-thick wood chips |
01/05/1995 | WO1995000245A1 Refiner segment |
01/04/1995 | EP0632158A1 Process for the treatment of waste paper |
01/03/1995 | US5378321 Varying annular fluidization zone for increased mixing efficiency in a medium consistency mixer |
01/03/1995 | US5377918 Pulpers for disintegrating cellulose pulp |
01/03/1995 | US5377848 Roller screen for screening bulk material, especially wood chips |
12/29/1994 | CA2126716A1 Method for the recovery and processing of fibers from hollow stalk plants |
12/28/1994 | EP0631009A1 Method for the recovery and processing of fibers from hollow stalk plants |
12/27/1994 | US5375780 Cutting multilayer webs with rotating hooked disc cutters; using fan to separate torn platelets |
12/20/1994 | US5373615 Filtration screen |
12/08/1994 | WO1994028235A1 Method of processing recycled paper |
12/08/1994 | WO1994028234A1 Improvements in and relating to the manufacture of feedstock for a processing operation |
12/08/1994 | WO1994028233A1 Improvement in comminuting wood pulp sheeting |
12/08/1994 | DE4426159A1 Flotation device |
12/07/1994 | EP0627264A1 Injector for flotation devices |
11/29/1994 | US5368168 Bar screen with bars of staggered height |
11/29/1994 | CA2056092C Spreader screw |
11/24/1994 | DE4316861A1 Application of a method of high-pressure steam treatment |
11/23/1994 | CN1026668C Method and equipment for recovering metal Al and pulp from waste aluminium foil paper |
11/22/1994 | US5366591 Cyclic N-sulfatoimide |
11/10/1994 | WO1994025667A1 Apparatus and method for treating a pulp slurry of waste paper |
11/10/1994 | DE4314545A1 Method and installation for the preparation of packaging materials containing fibres |
11/10/1994 | CA2158641A1 Apparatus and method for treating a pulp slurry of waste paper |
11/09/1994 | CN2182191Y Plant dividing machine |
11/08/1994 | US5362003 Refining segment |
11/04/1994 | CA2122803A1 Injector for a flotation device |
11/02/1994 | EP0621916A1 Method and apparatus for crosslinking individualized cellulose fibers |
11/01/1994 | US5360175 Refiner having oscillation reduction means |
10/27/1994 | WO1994024364A1 Improvements in or relating to deinking of paper |
10/27/1994 | WO1994023847A1 Screening means with a screening body, and method and device for manufacturing the screening body |
10/27/1994 | CA2161094A1 Improvements in or relating to deinking of paper |
10/25/1994 | US5358605 Process for recycling waste paper |
10/25/1994 | US5358185 Method of digesting waste paper |
10/25/1994 | US5358184 Method for separating multi-ply packaging material for recycling |
10/19/1994 | EP0499618B1 Hydrolysis of resin in pulp |
10/18/1994 | US5356517 Hydrolysis of resin in pulp with an enzyme and a peroxide |
10/11/1994 | US5354427 Manufacture of moulded objects from a fluidized fiber raw material |
10/05/1994 | EP0618326A1 Hydrolysis of resin in pulp |
10/05/1994 | EP0618012A1 Flotation device |
10/04/1994 | US5351895 Separating device for cellulosic and thin plastic materials |
10/03/1994 | CA2120436A1 Flotation system |