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Class Information
Number: 162/72
Name: Paper making and fiber liberation > Processes of chemical liberation, recovery or purification of natural cellulose or fibrous material > Treatment with particular chemical > Organic
Description: Processes in which an organic compound is used as the fiber treating agent.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7427300 |
Hydrophilic finish for fibrous substrates |
Sep. 23, 2008 |
| 7390378 |
Method of curling fiber and absorbent sheet containing same |
Jun. 24, 2008 |
| 7384504 |
Light-stable and process-stable lignocellulosic materials and their production |
Jun. 10, 2008 |
| 7377993 |
Methods for reducing fluorescence in pulp and paper |
May. 27, 2008 |
| 7368036 |
Xylanase treatment of chemical pulp |
May. 6, 2008 |
| 7300546 |
Cellulose fiber having improved biostability and the resulting products |
Nov. 27, 2007 |
| 7297230 |
Method for producing cellulose fiber having improved biostability and the resulting products |
Nov. 20, 2007 |
| 7297224 |
Method of deinking waste paper using cellulase without lowering paper strength and method of evaluating the same |
Nov. 20, 2007 |
| 7294228 |
Biopulp for non-woody fiber plants and biopulping method thereof |
Nov. 13, 2007 |
| 7288167 |
Cross-linked pulp sheet |
Oct. 30, 2007 |
| 7285181 |
Bleaching and brightness stabilization of lignocellulosic materials with water-soluble phosphines or phosphonium compounds |
Oct. 23, 2007 |
| 7244338 |
Method for producing cellulose fiber having improved biostability and the resulting products |
Jul. 17, 2007 |
| 7214291 |
Method for the modification of cellulose fibres |
May. 8, 2007 |
| 7214292 |
Addition of THP or THP+ salt to pulping liquors to destroy catalase and/or catalase producing bacteria |
May. 8, 2007 |
| 7198695 |
Method for separating hemicelluloses from a biomass containing hemicelluloses and biomass and hemicelluloses obtained by said method |
Apr. 3, 2007 |
| 7186316 |
Method for preparing pulp from cornstalk |
Mar. 6, 2007 |
| 7179348 |
Method for producing cellulose fiber having improved biostability and the resulting products |
Feb. 20, 2007 |
| 7138035 |
Process for the selective modification of carbohydrates by peroxidase catalyzed oxidation |
Nov. 21, 2006 |
| 7097737 |
Method of making a modified unbleached pulp for lyocell products |
Aug. 29, 2006 |
| 7097738 |
Process for producing pulp |
Aug. 29, 2006 |
| 7094318 |
Chemically cross-linked cellulosic fiber and method of making same |
Aug. 22, 2006 |
| 7081183 |
Method of deresinating pulp using alkyl alcohol alkoxylate surfactants |
Jul. 25, 2006 |
| 7074301 |
Chemically cross-linked cellulose fiber and method of making same |
Jul. 11, 2006 |
| 7067244 |
Rapid triglyceride assay for use in pulp pitch control |
Jun. 27, 2006 |
| 7056418 |
Cooking method for pulp |
Jun. 6, 2006 |
| 7018510 |
Process for bio-bleaching of Kraft pulp using bacterial consortia |
Mar. 28, 2006 |
| 7008505 |
Eucalyptus biomechanical pulping process |
Mar. 7, 2006 |
| 6989449 |
Chlorohydrin and cationic compounds having high affinity for pulp or paper |
Jan. 24, 2006 |
| 6942754 |
Process for producing xylooligosaccharide from lignocellulose pulp |
Sep. 13, 2005 |
| 6939437 |
Paper making processes using enzyme and polymer combinations |
Sep. 6, 2005 |
| 6923887 |
Method for hydrogen peroxide bleaching of pulp using an organic solvent in the bleaching medium |
Aug. 2, 2005 |
| 6833187 |
Unbleached pulp for lyocell products |
Dec. 21, 2004 |
| 6830655 |
Method of modifying a xylan-containing carbohydrate substrate having hexenuronic acid groups attached to the xylan |
Dec. 14, 2004 |
| 6824646 |
Process for oxygen bleaching and enzyme treating lignocellulosic pulp with liquid treatment and recovery |
Nov. 30, 2004 |
| 6821383 |
Preparation of modified fluff pulp, fluff pulp products and use thereof |
Nov. 23, 2004 |
| 6808595 |
Soft paper products with low lint and slough |
Oct. 26, 2004 |
| 6790527 |
Lyocell fiber from unbleached pulp |
Sep. 14, 2004 |
| 6777103 |
Fiber cement composite material using biocide treated durable cellulose fibers |
Aug. 17, 2004 |
| 6773546 |
Black liquor removed from pulp |
Aug. 10, 2004 |
| 6770168 |
Process for oxygen pulping of lignocellulosic material and recorvery of pulping chemicals |
Aug. 3, 2004 |
| 6761944 |
Moulded articles of cellulose hydrate with enzymatically modified surface |
Jul. 13, 2004 |
| 6740199 |
Process for digesting woodchips with a sultaine and a polyglycoside |
May. 25, 2004 |
| 6719880 |
Process for producing paper and absorbent products of increased strength |
Apr. 13, 2004 |
| 6719906 |
Process for the preparation of solutions of anionic organic compounds |
Apr. 13, 2004 |
| 6706144 |
Method of dewatering pulp |
Mar. 16, 2004 |
| 6702921 |
Methods to enhance pulp bleaching and delignification using an organic sulfide chelating agent |
Mar. 9, 2004 |
| 6685748 |
Enzymatic bleaching of natural non-cotton cellulosic fibers |
Feb. 3, 2004 |
| 6669863 |
Anionic cellulose ethers having temperature-dependent associative properties |
Dec. 30, 2003 |
| 6666950 |
Process for deinking paper using a triglyceride |
Dec. 23, 2003 |
| 6660128 |
Oxidase process for pulp |
Dec. 9, 2003 |
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