ClassID:

121725

D01F13/04 - CPC Classification

Classification description:

Recovery of starting material, waste material or solvents during the manufacture of artificial filaments or the like of synthetic polymers

Recent Application in this class:
#1
20250236993
2025-07-24

METHOD FOR REGENERATING CARBON FIBER BUNDLE AND APPARATUS FOR REGENERATING CARBON FIBER BUNDLE

#2
20250011566
2025-01-09

METHOD OF RECYCLING HIGH RELATIVE VISCOSITY NYLON

#3
20240410086
2024-12-12

TIRE GRADE HIGH TENACITY AND MODULUS RECYCLE NYLON 6.6 YARN AND PRODUCTION METHOD THEREOF

#4
20240263360
2024-08-08

RECYCLED MIXED TEXTILE COMPRISING CELLULOSE AND SYNTHETIC PLASTIC

#5
20230374193
2023-11-23

MELT-SPUN THERMOPLASTIC POLYURETHANE FIBER

#6
20220333276
2022-10-20

METHODS FOR PRODUCING POLYMER FIBERS AND POLYMER FIBER PRODUCTS FROM MULTICOMPONENT FIBERS

#7
20220064822
2022-03-03

Method for production of poly-vinyl alcohol-filament fibre of high strength and elasticity

#8
20220010463
2022-01-13

Method of recycling carbon fiber

#9
20210309826
2021-10-07

Method of recycling high relative viscosity nylon

#10
20210087711
2021-03-25

Apparatus for continuous needleless electrospinning a nanoscale or submicron scale polymer fiber web onto a substrate

#11
20210079564
2021-03-18

Method of reusing a mixed textile comprising cellulose and synthetic plastic

#12
20200299869
2020-09-24

Methods for producing polymer fibers and polymer fiber products from multicomponent fibers

#13
20200123680
2020-04-23

Use of Microfibers and/or Nanofibers in Apparel and Footwear

#14
20190153643
2019-05-23

Method for forming a non-woven recyclable fabric

#15
20180155853
2018-06-07

Preparation method of para-aramid nanofibers

#16
20150087775
2015-03-26

Process for obtaining low residual aramid materials

#17
20130241105
2013-09-19

Process for producing high-performance polymer fibers

#18
20110257345
2011-10-20

METHOD OF SEPARATING AND CLEANING OF POST CONSUMER CARPET FACE YARN FROM CARPET BACKING AND YARN PRODUCT PRODUCED THEREFROM

#19
20100319139
2010-12-23

Method for spinning and washing aramid fiber and recovering sulfuric acid

#20
20100086781
2010-04-08

Process for removing residual spin solvent from a gel spun filament, the filament, multi-filament yarn and products comprising the filament

#21
20090178206
2009-07-16

SOLVENT STRIPPING PROCESS ULTILIZING AN ANTIOXIDANT

#22
20090082476
2009-03-26

Method of separation and cleaning of post consumer carpet face yarn from carpet backing and yarn product produced therefrom

#23
20080290549
2008-11-27

Process for the preparation of polymer yarns from ultra high molecular weight homopolymers or copolymers, polymer yarns, molded polymer parts, and the use of polymer yarns

#24
20080146698
2008-06-19

Infrared solvent stripping process

#25
20080113575
2008-05-15

Solvent stripping process

#26
20060267229
2006-11-30

Solution spinning of UHMW Poly (alpha-olefin) with recovery and recycling of volatile spinning solvent

#27
20060145378
2006-07-06

Solution spinning of UHMW poly (alpha-olefin) with recovery and recycling of volatile spinning solvent