ClassID:

126881

D21H17/16 - CPC Classification

Classification description:

Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution; Non-macromolecular organic compounds containing elements other than carbon and hydrogen only; Carboxylic acids; Derivatives thereof; Polycarboxylic acids, e.g. maleic acid Addition products thereof with hydrocarbons

Recent Application in this class:
#1
20260049450
2026-02-19

COATED PAPERBOARD

#2
20240133120
2024-04-25

PROCESSES FOR IMPARTING OIL AND GREASE RESISTANCE TO PAPER PRODUCTS

#3
20200291581
2020-09-17

Polymer product for improving retention of hydrophobic internal sizing agents in manufacture of paper or board

#4
20190047273
2019-02-14

Board with improved compression strength

#5
20170306565
2017-10-26

Composition for sizing paper

#6
20170218571
2017-08-03

Emulsification of alkenyl succinic anhydride with an amine-containing homopolymer of copolymer

#7
20160348317
2016-12-01

Stabilized sizing formulation

#8
20160348316
2016-12-01

Stabilized sizing formulation

#9
20160332468
2016-11-17

Print media for inkjet printing

#10
20160186381
2016-06-30

Sizing of paperboard

#11
20160130761
2016-05-12

Selectively sized multi-ply core stock paper, methods, and apparatus

#12
20160010282
2016-01-14

Aqueous emulsion of a sizing agent

#13
20150114258
2015-04-30

Method for producing an emulsion of alkenyl succinic anhydride (ASA) in an aqueous solution of a cationic amylaceous substance, resulting emulsion, and use thereof

#14
20150020988
2015-01-22

Emulsification of alkenyl succinic anhydride with an amine-containing homopolymer or copolymer

#15
20140336314
2014-11-13

Method of using aldehyde-functionalized polymers to increase papermachine performance and enhance sizing

#16
20140198166
2014-07-17

Low grammage recording medium

#17
20120291972
2012-11-22

COATING COMPOSITIONS COMPRISING ALKYL KETENE DIMERS AND ALKYL SUCCINIC ANHYDIDES FOR USE IN PAPER MAKING

#18
20120282477
2012-11-08

ASEPTIC PACKAGING

#19
20120248366
2012-10-04

Sizing compositions

#20
20120138249
2012-06-07

Method for improving paper and board's resistance to the penetration of liquids

#21
20120125553
2012-05-24

Product for the sizing of paper

#22
20120103546
2012-05-03

Apparatus, system and method for emulsifying oil and water

#23
20120009662
2012-01-12

Method of fabricating microfluidic systems

#24
20110300376
2011-12-08

REINFORCEMENT OF PAPER PULP-BASED MATERIALS USING A REACTIVE ALKYD OLIGOMER CAPABLE OF FORMING A REPROCESSABLE REINFORCEMENT RESIN IN SITU

#25
20110290150
2011-12-01

COMPOSITION FOR SIZING PAPER

#26
20110220306
2011-09-15

Coating compositions comprising alkyl ketene dimer and alkyl succinic anhydrides for use in paper making

#27
20110201748
2011-08-18

Cationic polymers containing 2-hydroxyalkyl-(meth)acrylates as promoters for ASA sizing

#28
20110017417
2011-01-27

Sizing Composition for Hot Penetrant Resistance

#29
20100319864
2010-12-23

Multi-ply paper product with moisture strike through resistance and method of making the same

#30
20100307706
2010-12-09

REDUCED SHEAR CELLULOSE REACTIVE SIZING AGENT FOR WET END APPLICATIONS

#31
20100224339
2010-09-09

SIZING COMPOSITION, METHOD FOR THE PRODUCTION OF SIZED PAPER OR SIZED PAPERBOARD AND SIZED PAPER OR SIZED PAPERBOARD

#32
20100147478
2010-06-17

Coating compositions comprising alkyl ketene dimers and alkyl succinic anhydrides for use in paper making

#33
20100122787
2010-05-20

APPLICATION OF CHEMICAL AIDS AFTER A HEADBOX OF A PAPERMAKING PROCESS

#34
20100116451
2010-05-13

Multi-ply paper product with moisture strike through resistance and method of making the same

#35
20100029928
2010-02-04

Emulsifier prepared using a glycosyl transferase

#36
20090281212
2009-11-12

ALKENYLSUCCINIC ANHYDRIDE SURFACE-APPLIED SYSTEM AND USES THEREOF

#37
20090277355
2009-11-12

ALKENYLSUCCINIC ANHYDRIDE SURFACE-APPLIED SYSTEM AND USES THEREOF

#38
20090188054
2009-07-30

Aqueous polymer dispersions containing alkenyl succinic acid anhydrides, methods for the production thereof, and use of the same

#39
20090139676
2009-06-04

ASA emulsification with ultrasound

#40
20090095431
2009-04-16

Paper-Sizing Emulsion, Process for Preparing It and Use Thereof

#41
20090073801
2009-03-19

PROCESS AND DEVICE FOR PRODUCING FINELY DIVIDED LIQUID-LIQUID FORMULATIONS, AND THE USES OF THE LIQUID-LIQUID FORMULATIONS

#42
20090020249
2009-01-22

Coating compositions comprising alkyl ketene dimers and alkyl succinic anhydrides for use in paper making

#43
20080289787
2008-11-27

Paper and materials and processes for its production

#44
20080277084
2008-11-13

ASA Sizing Emulsions For Paper and Paperboard

#45
20080255375
2008-10-16

Alkenylsuccinic Anhydrides Formed From Oligomers Of C4-To C8-Olefins And Maleic Anhydride, Processes For Their Preparation And Their Use

#46
20080233385
2008-09-25

Papers providing great fat and oil penetration resistance, and method for the production thereof

#47
20080163993
2008-07-10

Surface sizing with sizing agents and glycol ethers

#48
20080047678
2008-02-28

Cationic Polymers Containing 2-Hydrocyethyl-Methacrylic As Promoters For Asa Sizing

#49
20080041546
2008-02-21

Paper sizing agent

#50
20080017340
2008-01-24

Product for use in papermaking and preparation thereof

#51
20070137523
2007-06-21

Sizing of paper

#52
20060231223
2006-10-19

Use of alkenyl succinic anhydride compounds derived from symmetrical olefins in internal sizing for paper production

#53
20060180289
2006-08-17

Cationic liquid starchy composition and uses thereof

#54
20060094798
2006-05-04

Method of emulsifying substituted cyclic dicarboxylic acid anhydride sizing agents and emulsion for papermaking

#55
20060076117
2006-04-13

Latex paper sizing composition

#56
20060060814
2006-03-23

Alkenylsuccinic anhydride surface-applied system and method for using the same

#57
20060049377
2006-03-09

Alkenylsuccinic anhydride composition and method of using the same

#58
20060042767
2006-03-02

Multi-ply paper product with moisture strike through resistance and method of making the same

#59
20060037512
2006-02-23

Alkenylsuccinic anhydride compositions and method for using the same

#60
20060014102
2006-01-19

Slip sheet for a planographic printing plate, production process thereof and a protected planographic printing plate and laminate thereof

#61
20050224202
2005-10-13

Paper sizing composition

#62
20050150624
2005-07-14

Molded fiber manufacturing

#63
20050124704
2005-06-09

Paper and materials and processes for its production