Featured patents

Washer Press With Multiple Nips and Multiple Displacement Wash Zones
US 08828189 B2, Sept. 9, 2014, Apparatus, Todd S. Grace et al. / Andritz Inc. (Glens Falls, US)
A pulp suspension washer press comprising:…

Method for Reducing Negative Effects of Adhesive Contaminants in Systems of Substances Comprising Waste Paper
US 08784606 B2, July 22, 2014, With organic agent, Damien Corpet et al. / Clariant Finance (BVI) Limited (Tortola, VG
A method for reducing the negative consequences of sticky contaminants…

Multiaxial Fabrics
US 08753485 B2, June 17, 2014, With felt structure or felt composition, William Maddock et al. / Albany International Corp. (Albany, US)
A multiaxial fabric for use in a paper machine comprising:…

Reactive Cationic Resins for Use as Dry and Wet Strength Agents in Sulfite Ion-Containing Papermaking Systems
US 08771469 B2, July 8, 2014, Acrylamide containing, Willem Marinus Stevels et al. / Hercules Incorporated (Wilmington, US)
A process for improving drainage in paper making comprising the steps of:…

Process for Manufacturing Paper or Board
US 08758566 B2, June 24, 2014, Metal salt other than silicate, Pentti Virtanen et al. / Nordkalk Oy AB (Pargas, FI)
A process for manufacturing paper or board from paper or board pulp…

Derivatives of Native Lignin From Softwood Feedstocks
US 08696865 B2, April 15, 2014, Including recovery of organic by-product, Edward Kendall Pye et al. / Lignol Innovations Ltd. (Burnaby, British Columbia, CA)
A method of producing a softwood lignin derivative softwood lignin derivative…

Process for Producing Microfibrillated Cellulose
US 08647468 B2, Feb. 11, 2014, With chemical or physical modification of liberated fiber, Isto Heiskanen et al. / Stora Enso OYJ (Helsinki, FI)
A process for treating cellulosic fibers said process comprising:…

Web Turn-Up Cutting Apparatus and Method
US 08628641 B2, Jan. 14, 2014, Fluid deckle or shower, Dieter H Hilker / Paprima Industries Inc. (Dorval, Quebec, CA)
A method of manufacturing paper in a papermaking machine, the method comprising:…

Method and System for Pulp Processing Using Cold Caustic Extraction With Alkaline Filtrate Reuse
US 08535480 B2, Sept. 17, 2013, With mixing of liquors from different digestions, Marcelo Moreira Leite / Bahia Specialty Cellulose SA BR
A method for pulp manufacturing using cold caustic extraction for production…

Method for Preparing Aramid Paper and the Aramid Paper Obtained Therefrom
US 08444813 B2, May 21, 2013, Electrical or magnetic product characteristic, Zhou Zhong
A method for preparing aramid insulating paper, the method comprising:…

Patentorg has 456 documents under Paper Making and Fiber Liberation Patents.

Narrow down the browsing criteria below to see more patents.

Select a subcategory
Quick navigation
New documents
  • Process for the Production of the Actinobacillus Pleuropneumoniae Toxins APXI or APXIII in a Liquid Culture Medium Under Supply of Air Enriched in Carbon Dioxide
  • Method for Manufacturing Nonvolatile Memory Device
  • Supply Chain Demand Satisfaction
  • Supply-Line Management Device
  • Storage Control Device and Method for Managing Snapshot