Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Class Information
Number: 162/168.2
Name: Paper making and fiber liberation > Processes and products > Non-fiber additive > Synthetic resin > Polymerized unsaturated compound > Nitrogen containing compound
Description: Processes in which the unsaturated compound contains at least one atom of nitrogen.










Sub-classes under this class:

Class Number Class Name Patents
162/168.3 Acrylamide containing 455
162/168.5 Heterocyclic n or s or epoxy component 79


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

Patent Number Title Of Patent Date Issued
8647471 Process for the production of sized and/or wet-strength papers, paperboards and cardboards Feb. 11, 2014
8613832 Process for the production of paper Dec. 24, 2013
8613833 Aqueous suspensions of fine-particulate fillers, method for the manufacture thereof and use thereof for the manufacture of filler-containing papers Dec. 24, 2013
8613836 Composition containing a cationic trivalent metal and debonder and methods of making and using the same to enhance fluff pulp quality Dec. 24, 2013
8529732 Method for producing paper, card and board with high dry strength Sep. 10, 2013
8524042 Method of treating paper forming wire surface Sep. 3, 2013
8518216 Copolymer blend compositions for use to increase paper filler content Aug. 27, 2013
8518215 Quaternary vinylamine-containing polymers as additives in papermaking Aug. 27, 2013
8512519 Sulfopolyesters for paper strength and process Aug. 20, 2013
8512520 Paper sizing agent Aug. 20, 2013
8486227 Method for producing paper, paperboard and cardboard Jul. 16, 2013
8475630 Retention systems and methods for papermaking Jul. 2, 2013
8465584 Aqueous suspensions of fine-particulate fillers, method for the manufacture thereof and use thereof for the manufacture of papers containing fillers Jun. 18, 2013
8460512 Paper with improved stiffness and bulk and method for making same Jun. 11, 2013
8454798 Paper making processes and system using enzyme and cationic coagulant combination Jun. 4, 2013
8449721 Aqueous suspensions of fine-particulate fillers, method for the manufacture thereof and use thereof for the manufacture of fluid-containing papers May. 28, 2013
8444818 Stable and aqueous compositions of polyvinylamines with cationic starch, and utility for papermaking May. 21, 2013
8425724 Anionic functional promoter and charge control agent with improved wet to dry tensile strength ratio Apr. 23, 2013
8404084 Latex-treated filler slurries for use in papermaking Mar. 26, 2013
8388809 Microspheres Mar. 5, 2013
8366879 Soil and/or moisture resistant secure document Feb. 5, 2013
8349134 Method for producing high dry strength paper, paperboard or cardboard Jan. 8, 2013
8337665 Method for producing paper, paperboard and cardboard Dec. 25, 2012
8293073 Modified vinylamine/vinylformamide polymers for use as creping adhesives Oct. 23, 2012
8262859 Glyoxalated N-vinylamine Sep. 11, 2012
8241462 Papermaking internal sizing agent and use thereof Aug. 14, 2012
8163134 Copolymer blend compositions for use to increase paper filler content Apr. 24, 2012
8123906 Functionalization of paper components Feb. 28, 2012
8088252 Salt-sensitive cationic polymeric binders for nonwoven webs and method of making the same Jan. 3, 2012
8070914 Anionic functional promoter and charge control agent with improved wet to dry tensile strength ratio Dec. 6, 2011
8038846 Composition and method for paper processing Oct. 18, 2011
8029647 Method for the production of paper, paperboard and cardboard Oct. 4, 2011
8025767 Wet strength enhancers for paper Sep. 27, 2011
8025768 Latex-treated filler slurries for use in papermaking Sep. 27, 2011
7998311 Enhanced surface sizing of paper Aug. 16, 2011
7988826 Cationic surface sizing agent and paper coated with the same Aug. 2, 2011
7981250 Method for paper processing Jul. 19, 2011
7972478 Method of producing high dry strength paper and cardboard and paper and cardboard thus obtained Jul. 5, 2011
7956096 Microspheres Jun. 7, 2011
7922867 Method for producing paper, paperboard and cardboard having high dry strength Apr. 12, 2011
7918965 Method for the production of paper, cardboard and card Apr. 5, 2011
RE42110 Fibrous sheet binders Feb. 8, 2011
7883603 Method for making paper and cardboard with high dry strength and resulting papers and cardboards Feb. 8, 2011
7794565 Method of making low slough tissue products Sep. 14, 2010
7776181 Retention improving composition Aug. 17, 2010
7736465 Anionic functional promoter and charge control agent with improved wet to dry tensile strength ratio Jun. 15, 2010
7727359 Temporary wet strength resin for paper applications Jun. 1, 2010
7691231 Newsprint paper treated with cationic surface sizing agent Apr. 6, 2010
7682438 Paper substrate having enhanced print density Mar. 23, 2010
7678228 Binders curable at room temperature with low blocking Mar. 16, 2010

1 2 3 4 5 6 7 8 9










 
 
  Recently Added Patents
Light-emitting device, film-forming method and manufacturing apparatus thereof, and cleaning method of the manufacturing apparatus
Rapid glycopeptide optimization via neoglycosylation
Phosphoinositide 3-kinase inhibitor with a zinc binding moiety
Switchable solvents and methods of use thereof
Generating and modifying textual code interfaces from graphical programs
Packaging for socks
Improving alignment target contrast in a lithographic double patterning process
  Randomly Featured Patents
Semiconductor light emitting diode producing visible light
Method of modifying source chemicals in an ald process
Apparatus for extruding a low density thermoplastic foam
Triaxial connector adapter and method
Navigation system with accessory control mechanism and method of operation thereof
Chemical detoxification process for treatment of soils contaminated with halogenated organic compounds
Hybrid machine control incorporating fast-tool servos
Engine control equipment and its air meter
Communication device and communication method
Formatting data for a buffer