ClassID:

123302

D04H1/552 - CPC Classification

Classification description:

Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving by applying solvents or auxiliary agents

Recent Application in this class:
#1
20250084575
2025-03-13

Reversible swelling and collapsing the latent pores of natural fiber welded biopolymer by way of solvent treatment to regenerate mesoporous or nonporous biopolymeric structures

#2
20220372681
2022-11-24

Polyamide nanofiber nonwovens

#3
20210262131
2021-08-26

Polyamide nanofiber nonwovens for acoustic applications

#4
20200399802
2020-12-24

Fiber sheet and method for manufacturing same

#5
20200385905
2020-12-10

Thermoplastic composites with improved thermal and mechanical properties

#6
20200346148
2020-11-05

Method for producing a filter medium, and a filter medium

#7
20200283937
2020-09-10

Polyamide nanofiber nonwovens

#8
20190070045
2019-03-07

High barrier nonwoven fabric

#9
20180371656
2018-12-27

Polyamide nanofiber nonwovens

#10
20180178150
2018-06-28

Method for producing a filter medium, and a filter medium

#11
20180014478
2018-01-18

ROOT INTRUSION IMPROVEMENTS IN IRRIGATION TUBES

#12
20170268142
2017-09-21

Fiber sheet and method for manufacturing same

#13
20170211216
2017-07-27

Process for forming a high loft, nonwoven web exhibiting excellent recovery

#14
20170037549
2017-02-09

Thermoplastic composites with improved thermal and mechanical properties

#15
20150368864
2015-12-24

Crosslinking/functionalization system for a paper or non-woven web

#16
20130280977
2013-10-24

Composite fiber having elastomer and method for making the same, and a substrate having the composite fiber and method for making the same

#17
20110159235
2011-06-30

COMPOSITE FIBER HAVING ELASTOMER AND METHOD FOR MAKING THE SAME, AND A SUBSTRATE HAVING THE COMPOSITE FIBER AND METHOD FOR MAKING THE SAME

#18
20080241301
2008-10-02

Forming head and process for the production of a non-woven fabric

#19
20080070019
2008-03-20

Thermoplastic composites with improved thermal and mechanical properties