D21H13/12 - CPC Classification Index

ClassID:

126837 ⎘

D21H13/12 - CPC Classification

Classification description:

Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material; Organic non-cellulose fibres from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds

Sub-classes:

D21H13/14 » Polyalkenes, e.g. polystyrene {polyethylene} 90
D21H13/16 » Polyalkenylalcohols; Polyalkenylethers; Polyalkenylesters 46
D21H13/18 » Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylonitriles 16

Recent Application in this class:

20260049422

2026-02-19

Papers Having High Average Specific Modulus and Ultimate Tensile Strength

20200056332

2020-02-20

High tensile strength paper suitable for use in electrochemical cells

20170306563

2017-10-26

FINE FIBER PULP FROM SPINNING AND WET LAID FILTER MEDIA

20170067208

2017-03-09

Method of making a thermoplastic fiber composite material and web

20160369457

2016-12-22

Paper Products and Methods for Manufacture Thereof

20160319486

2016-11-03

Toner cleaning sheet and method of manufacturing same

20150118431

2015-04-30

Process for manufacturing a composite article comprising cellulose pulp fibers and a thermoplastic matrix

20150111997

2015-04-23

Process for manufacturing a composition comprising cellulose pulp fibers and thermoplastic fibers

20140338242

2014-11-20

Composite boards and art frames including the same

#10

20140311695

2014-10-23

Process for making paper and nonwoven articles comprising synthetic microfiber binders

#11

20140311694

2014-10-23

Paper and nonwoven articles comprising synthetic microfiber binders

#12

20140011118

2014-01-09

Carbon substrate for gas diffusion layer, gas diffusion layer using the same, and electrode for fuel cell, membrane-electrode assembly and fuel cell comprising the gas diffusion layer

#13

20130209783

2013-08-15

Image receiving material for offset printing

#14

20120302120

2012-11-29

SHORT CUT MICROFIBERS

#15

20120302119

2012-11-29

SHORT CUT MICROFIBERS

#16

20120184164

2012-07-19

PAPERBOARD OR CARDBOARD

#17

20120115063

2012-05-10

POROUS ELECTRODE SUBSTRATE AND METHOD FOR PRODUCING THE SAME

#18

20120055642

2012-03-08

IMPROVING THE STRENGTH OF PAPER AND BOARD PRODUCTS

#19

20100321248

2010-12-23

Fibrous substrate for insert including an antenna

#20

20100279085

2010-11-04

Nonwoven Composite Including Post-Consumer Recycled Material

#21

20100193116

2010-08-05

METHOD FOR MANUFACTURING A COMPOSITE MATERIAL HAVING REDUCED MECHANOSORPTIVE CREEP, THE COMPOSITE MATERIAL, USE OF THE METHOD AND THE COMPOSITE MATERIAL

#22

20090269563

2009-10-29

LIGHT REFLECTING SHEET

#23

20080105395

2008-05-08

Polyketone Fiber Paper, Polyketone Fiber Paper Core Material For Printed Wiring Board, And Printed Wiring Board

#24

20070084575

2007-04-19

Composite papyraceous material