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Class Information
Number: 162/164.6
Name: Paper making and fiber liberation > Processes and products > Non-fiber additive > Synthetic resin > Nitrogen containing
Description: Subject matter wherein the synthetic resin molecules include the element nitrogen.


Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
7431799 Epichlorohydrin-based polymers containing primary amino groups used as additives in papermaking Oct. 7, 2008
7344621 Paper additive composition and method for producing paper using the same Mar. 18, 2008
7318881 Process for sizing paper Jan. 15, 2008
7303653 Sizing agent and recording sheet having the same Dec. 4, 2007
7303652 Reduced byproduct high solids polyamine-epihalohydrin compositions Dec. 4, 2007
7300545 Water-soluble polymer dispersion, process for producing the same and method of use therefor Nov. 27, 2007
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
7291695 Stable wet strength resin Nov. 6, 2007
7282117 Cellulosic fiber composites using protein hydrolysates and methods of making same Oct. 16, 2007
7279071 Paper articles exhibiting water resistance and method for making same Oct. 9, 2007
7270727 Paper sized with a sizing agent and a selected sizing promoter Sep. 18, 2007
7258764 Soft and strong webs from highly refined cellulosic fibres Aug. 21, 2007
7244338 Method for producing cellulose fiber having improved biostability and the resulting products Jul. 17, 2007
7179348 Method for producing cellulose fiber having improved biostability and the resulting products Feb. 20, 2007
7175740 Reduced by product polyamine-epihalohydrin resins Feb. 13, 2007
7147752 Hydrophilic fibers containing substantive polysiloxanes and tissue products made therefrom Dec. 12, 2006
7147751 Wiping products having a low coefficient of friction in the wet state and process for producing same Dec. 12, 2006
7144475 Method of making a coated paper Dec. 5, 2006
7090745 Method for increasing the strength of a cellulosic product Aug. 15, 2006
7060201 Optical brighteners their composition their production and their use Jun. 13, 2006
7008508 Composition for increasing wet strength of paper including water-soluble blocked urethane prepolymers Mar. 7, 2006
6998016 Method of making a non compacted paper web containing refined long fiber using a charge controlled headbox and a single ply towel made by the process Feb. 14, 2006
6991707 Polymeric creping adhesives and creping methods using same Jan. 31, 2006
6969445 Ink jet recording paper Nov. 29, 2005
6966972 Coating composition, paper product having flexible coating and method for manufacturing a paper product Nov. 22, 2005
6939443 Anionic functional promoter and charge control agent Sep. 6, 2005
6936136 Amino-functionalized pulp fibers Aug. 30, 2005
6911116 Cationically modified white pigments, their production and use Jun. 28, 2005
6911114 Tissue with semi-synthetic cationic polymer Jun. 28, 2005
6896769 Modified condensation polymers containing azetidinium groups in conjunction with amphiphilic hydrocarbon moieties May. 24, 2005
6896725 Aldehyde-containing polymers as wet strength additives May. 24, 2005
6896768 Soft bulky multi-ply product and method of making the same May. 24, 2005
6881300 Sizing agent and recording paper comprising sizing agent Apr. 19, 2005
6855229 Low viscosity bilayer disrupted softening composition for tissue paper Feb. 15, 2005
6855404 Inorganic sheet laminate Feb. 15, 2005
6852197 Wet strong tissue paper Feb. 8, 2005
6846384 Process for sizing paper Jan. 25, 2005
6841039 Composition and method for the production of planar structures, especially structures made of paper or cardboard Jan. 11, 2005
6827819 Soft bulky multi-ply product Dec. 7, 2004
6824649 Method for increasing filler retention of cellulosic fiber sheets Nov. 30, 2004
6818100 Process for sizing paper Nov. 16, 2004
6815497 Crosslinkable creping adhesive formulations Nov. 9, 2004
6812281 Crosslinkable creping adhesive formulations Nov. 2, 2004
6808597 Methods of making and using creping adhesives comprised of polyamine-epihalohydrin resin/poly(vinyl alcohol) mixtures Oct. 26, 2004
6797117 Low viscosity bilayer disrupted softening composition for tissue paper Sep. 28, 2004
6770170 Papermaking pulp including retention system Aug. 3, 2004
6755938 Fibrous sheet binders Jun. 29, 2004
6752906 Loudspeaker and method for the preparation thereof Jun. 22, 2004
6746542 Modifying starch with cationic polymers and use of the modified starches as dry-strength agent Jun. 8, 2004

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