ClassID:

126957

D21H19/30 - CPC Classification

Classification description:

Coated paper ; Coating material; Coatings without pigments applied in a form other than the aqueous solution defined in group comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds Polyamides; Polyimides

Recent Application in this class:
#1
20250333907
2025-10-30

COATED CELLULOSIC STRUCTURES AND METHOD FOR MANUFACTURING THEREOF

#2
20240167225
2024-05-23

SEQUENTIAL APPLICATION OF LAYERS, COMPRISING NANOCELLULOSE, ONTO THE SURFACE OF PAPER OR PAPERBOARD SUBSTRATES

#3
20240158991
2024-05-16

AKD EMULSION AND METHOD OF MAKING

#4
20220402636
2022-12-22

Multilayer paperboard pouch and method of making the same using conventional bag-making equipment (CBME)

#5
20220307193
2022-09-29

FLUORINE-FREE FIBROUS TREATING COMPOSITIONS, TREATED SUBSTRATES, AND TREATING METHODS

#6
20200397527
2020-12-24

PACKAGING MATERIAL, METHOD FOR PRODUCING SAID PACKAGING MATERIAL, AND USE THEREOF

#7
20200062474
2020-02-27

High barrier coated paperboard

#8
20190309174
2019-10-10

Preparations as hydrophobing agents

#9
20190177908
2019-06-13

Fluorine-free fibrous treating compositions, treated substrates, and treating methods

#10
20180298557
2018-10-18

Methods for treating paperboards and paper media, and associated treated paperboards and paper media

#11
20180257349
2018-09-13

MULTIFUNCTIONAL PAPERBOARD STRUCTURE

#12
20180251944
2018-09-06

EXTRUSION COATED PAPER FOR FLEXIBLE PACKAGING

#13
20180155876
2018-06-07

HONEYCOMB CORE HAVING A HIGH COMPRESSION STRENGTH

#14
20160097162
2016-04-07

Honeycomb core having a high compression strength

#15
20160024719
2016-01-28

Paint immersing process for insulating paper

#16
20150152604
2015-06-04

Dimensionally stable paper and production method thereof

#17
20150020985
2015-01-22

Wet strength treated paper and paperboard

#18
20120308749
2012-12-06

Paper and cardboard packaging with barrier coating of a polymer mixture

#19
20110250418
2011-10-13

IMPROVED COATING METHOD

#20
20110162811
2011-07-07

Modifying agent for yankee coatings

#21
20110112224
2011-05-12

Surface application of polymers and polymer mixtures to improve paper strength

#22
20110061785
2011-03-17

Paper laminates having improved easy clean and abrasion resistance properties

#23
20080124499
2008-05-29

Printing Paper and a Method for the Production Thereof

#24
20070160716
2007-07-12

Treated paper product, combination food and treated paper product, and methods for manufacturing and using treated paper product

#25
20070010386
2007-01-11

Packaging material consisting of an at least double-layered composite material for producing containers for packing liquids

#26
20060166021
2006-07-27

Process for applying a layer of branched polyamide to a substrate