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Recovery or working-up of waste materials
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Parent Industries
C
CHEMISTRY METALLURGY
C08
Organic compounds
C08J
WORKING-UP GENERAL PROCESSES OF COMPOUNDING AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G
Current Industry
C08J11/00
Recovery or working-up of waste materials
Sub Industries
C08J11/02
of solvents, plasticisers or unreacted monomers
C08J11/04
of polymers
C08J11/06
without chemical reactions
C08J11/08
using selective solvents for polymer components
C08J11/10
by chemically breaking down the molecular chains of polymers or breaking of crosslinks
C08J11/105
by treatment with enzymes
C08J11/12
by dry-heat treatment only
C08J11/14
by treatment with steam or water
C08J11/16
by treatment with inorganic material
C08J11/18
by treatment with organic material
C08J11/20
by treatment with hydrocarbons or halogenated hydrocarbons
C08J11/22
by treatment with organic oxygen-containing compounds
C08J11/24
containing hydroxyl groups
C08J11/26
containing carboxylic acid groups, their anhydrides or esters
C08J11/28
by treatment with organic compounds containing nitrogen, sulfur or phosphorus
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Patents Grants
last 30 patents
Information
Patent Grant
Method for obtaining superabsorbent polymers via alkaline hydrolysi...
Patent number
12,364,968
Issue date
Jul 22, 2025
INSTITUTO GRANADO DE TECNOLOGIA DA POLIACRILONTIRILA LTDA
Nilton Pereira Alves Granado
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Arrangement for producing hydrocarbons with parallel gasifier and c...
Patent number
12,365,846
Issue date
Jul 22, 2025
Teknologian tutkimuskeskus VTT Oy
Matti Nieminen
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method for repairing or recycling an elastomeric film
Patent number
12,365,153
Issue date
Jul 22, 2025
Synthomer Sdn. Bhd.
Zhenli Wei
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for removing chlorine from pyrolysis process of waste plastic
Patent number
12,365,781
Issue date
Jul 22, 2025
SK Innovation Co., Ltd.
Sanghwan Jo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Compositions and methods for the degradation of waste polypropylene
Patent number
12,365,782
Issue date
Jul 22, 2025
Novoloop, Inc.
Tapaswy Muppaneni
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyester textile waste recycling
Patent number
12,365,780
Issue date
Jul 22, 2025
Inter IKEA Systems B.V.
Zengwei Guo
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Processes for the removal of rubber from non-Hevea plants
Patent number
12,359,004
Issue date
Jul 15, 2025
Bridgestone Corporation
Yingyi Huang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for recycling nitrile rubber
Patent number
12,351,716
Issue date
Jul 8, 2025
Zeon Corporation
Kentaro Ono
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for recycling waste aramid-mica composite paper
Patent number
12,351,982
Issue date
Jul 8, 2025
SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
Zhaoqing Lu
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Mechanoenzymatic degradation of polymers
Patent number
12,344,880
Issue date
Jul 1, 2025
The Royal Institution for the Advancement of Learning / McGill University
Karine Auclair
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Feedstock engineering of polyester waste for recycling processes
Patent number
12,344,715
Issue date
Jul 1, 2025
Taclov, LLC
Gregory Breyta
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Methods for manufacturing bulked continuous carpet filament
Patent number
12,343,903
Issue date
Jul 1, 2025
Aladdin Manufacturing Corporation
Thomas R. Clark
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Esterases and uses thereof
Patent number
12,344,714
Issue date
Jul 1, 2025
CARBIOS
Alain Marty
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Pyrolysis of carbon based material
Patent number
12,338,207
Issue date
Jun 24, 2025
MICROWAVE SOLUTIONS GMBH
Annelie Stapela
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method for recycling and reusing polyurethane foam
Patent number
12,338,329
Issue date
Jun 24, 2025
Zhejiang University
Tao Xie
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Degradable polymers and monomers therefor
Patent number
12,338,210
Issue date
Jun 24, 2025
The Board of Trustees of the University of Illinois
Ephraim Gabriel Morado
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Robotic separation of plastics for chemical recycling
Patent number
12,330,345
Issue date
Jun 17, 2025
Anellotech, Inc.
Leslaw Mleczko
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermal decomposition apparatus
Patent number
12,331,168
Issue date
Jun 17, 2025
Niimi-Solar Co., Ltd.
Hideyuki Sakumoto
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Process for the production of particle board or wood fiber board
Patent number
12,325,148
Issue date
Jun 10, 2025
UNILIN, BV
Laurens Allaert
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Urethane exchange catalysts and methods for reprocessing cross-link...
Patent number
12,325,778
Issue date
Jun 10, 2025
Northwestern University
David J. Fortman
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process of extraction, quantification and recovery of additives in...
Patent number
12,319,789
Issue date
Jun 3, 2025
ESENTTIA S.A.
Joaquin Alejandro Hernandez Fernandez
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Methods and systems for processing mixed textile feedstock, isolati...
Patent number
12,319,790
Issue date
Jun 3, 2025
EVRNU, SPC
Stacy Flynn
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Recycling process for the recovery of cotton from polyester-cotton...
Patent number
12,319,792
Issue date
Jun 3, 2025
Taclov, LLC
Gregory Breyta
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polybutylene terephthalate composition and the manufactering method...
Patent number
12,319,791
Issue date
Jun 3, 2025
Chang Chun Plastics Co., Ltd.
Bo-Fan Xue
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Plastic articles made from recycled medical and other plastic waste
Patent number
12,319,806
Issue date
Jun 3, 2025
TRIUMVIRATE ENVIRONMENTAL, INC.
John F. McQuillan
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Recovering heavy hydrocarbons from plastic materials and geoformation
Patent number
12,312,446
Issue date
May 27, 2025
Mansour S. Bader
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Degradation of plastic materials into terephthalic acid (TPA), ethy...
Patent number
12,312,306
Issue date
May 27, 2025
Ecole Polytechnique Federale de Lausanne (EPFL)
Samantha Lynn Anderson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Recyclable plastic label
Patent number
12,305,092
Issue date
May 20, 2025
UPM Raflatac Oy
Juha Yli-Peltola
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Stabilizer additives for plastic-derived synthetic feedstock
Patent number
12,304,888
Issue date
May 20, 2025
Ecolab USA Inc.
Theodore C. Arnst
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Cellulosic superabsorbent polymer from post-consumer textile waste
Patent number
12,305,023
Issue date
May 20, 2025
The Hong Kong Research Institute of Textiles and Apparel Limited
Edwin Yee Man Keh
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Core-Shell Ion-Exchange Resin Formed by Vibrational Nozzle Technique
Publication number
20250236708
Publication date
Jul 24, 2025
Saudi Arabian Oil Company
Madina Baltaeva
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHODS OF RECYCLING POLYSTYRENE MATERIAL COMPRISING BROMINATED CON...
Publication number
20250236713
Publication date
Jul 24, 2025
POLYSTYVERT INC.
Roland CÖTÉ
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
LOW-TEMPERATURE PLASTIC DEPOLYMERIZATION
Publication number
20250236715
Publication date
Jul 24, 2025
Board of Supervisors of Louisiana State University and Agricultural and Mecha...
James Anthony Dorman
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ADDITIVE REMOVAL APPARATUS AND METHOD FOR REMOVAL OF ADDITIVE USING...
Publication number
20250236050
Publication date
Jul 24, 2025
LG CHEM, LTD.
Jun Sik Kim
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METHOD FOR TRANSFORMING SOLID PLASTIC WASTE INTO HYDROCARBONS
Publication number
20250236716
Publication date
Jul 24, 2025
GRAPHENE SYNTHETIC FEEDSTOCK S.L.
Mario Celedonio REYES SALINAS
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
SOLE AND MANUFACTURING METHOD OF POLYMER MATERIAL
Publication number
20250234954
Publication date
Jul 24, 2025
NAN YA PLASTICS CORPORATION
Te-Chao Liao
A43 - FOOTWEAR
Information
Patent Application
METHOD FOR REGENERATING CARBON FIBER BUNDLE AND APPARATUS FOR REGEN...
Publication number
20250236993
Publication date
Jul 24, 2025
Honda Motor Co., Ltd.
Masato NOGUCHI
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
METHOD FOR MANUFACTURING BISPHENOL A
Publication number
20250236718
Publication date
Jul 24, 2025
National Taiwan University
Chia-Wen WU
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Depolymerization of a Polyhydroxyalkanoate and Recycling of Hydroxy...
Publication number
20250236714
Publication date
Jul 24, 2025
Kimberly-Clark Worldwide, Inc.
Stephen Quirk
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
SEARCH FOR CANDIDATE MOLECULES USING QUANTUM OR THERMODYNAMICAL SIM...
Publication number
20250236717
Publication date
Jul 24, 2025
X Development LLC
Vahe Gharakhanyan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Flexible Material Based On Resource Utilization Of Waste Finished L...
Publication number
20250236724
Publication date
Jul 24, 2025
Xinji City Baolong Technology Co., Ltd.
Hexiang Dong
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CLOSED-LOOP THERMOPLASTIC COPOLYMERS
Publication number
20250230281
Publication date
Jul 17, 2025
HRL LABORATORIES, LLC
Ashley DUSTIN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
DISPERSANT FOR PRODUCING POLYOL DISPERSIONS FROM POLYURETHANE WASTE
Publication number
20250230269
Publication date
Jul 17, 2025
REPSOL, S.A.
César MUÑOZ DE DIEGO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ENZYMES AND METHOD FOR BIODEGRADING POLYOLEFIN-DERIVED POLYMERS
Publication number
20250230421
Publication date
Jul 17, 2025
CONSEJO SUPERIOR DE INVESTIGACIONES CIENTIFICAS
Federica Bertocchini
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
Contaminant Removal During Integrated Plastic Recycle
Publication number
20250230365
Publication date
Jul 17, 2025
EXXONMOBIL CHEMICAL PATENTS INC.
Kapil Kandel
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR RECOVERING PLASTIC FILM
Publication number
20250223415
Publication date
Jul 10, 2025
Mitsubishi Gas Chemical Company, Inc.
Kazuki KOUNO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
WATER REMOVAL IN A PROCESS FOR HYDROLYTICALLY DEPOLYMERIZING A POLY...
Publication number
20250223417
Publication date
Jul 10, 2025
BASF SE
Stefan BLEI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
RECYCLED THERMOPLASTIC POLYESTER ELASTOMER AND MANUFACTURING METHOD...
Publication number
20250223419
Publication date
Jul 10, 2025
SHINKONG SYNTHETIC FIBERS CORPORATION
YEN-HAO TSENG
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CATALYST AND PROCESS FOR THE DEPOLYMERIZATION OF POLYMERIC WASTE MA...
Publication number
20250222441
Publication date
Jul 10, 2025
BASELL POLIOLEFINE ITALIA S.r.l.
Shahram Mihan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
VALUE CHAIN RETURN PROCESS FOR THE RECOVERY OF PHOSPHOROUS ESTER-BA...
Publication number
20250223418
Publication date
Jul 10, 2025
BASF SE
Thomas SCHAUB
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR RECOVERING RAW MATERIALS FROM POLYURETHANE PRODUCTS
Publication number
20250223420
Publication date
Jul 10, 2025
COVESTRO DEUTSCHLAND AG
Dirk Hinzmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PLASTIC PRODUCT MANUFACTURED WITH SHREDDED PLASTIC PARTICLES
Publication number
20250223416
Publication date
Jul 10, 2025
HONEYWELL SAFETY PRODUCTS USA, INC.
Isaac Jesus Ponce
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METHOD FOR RECLAIMING FIBERS FROM TEXTILES WASTE
Publication number
20250223732
Publication date
Jul 10, 2025
Bromine Compounds Ltd.
Ella RAPAPORT
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
METHODS FOR CONVERTING SOLID POLYURETHANE ARTICLES
Publication number
20250215138
Publication date
Jul 3, 2025
BASF SE
Xue LIU
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CIRCULAR ECONOMY FOR WASTE POLYSTYRENE VIA REFINERY FCC UNIT
Publication number
20250215182
Publication date
Jul 3, 2025
Chevron U.S.A. Inc.
Joel E. SCHMIDT
C07 - ORGANIC CHEMISTRY
Information
Patent Application
RECYCLED PLASTIC AND PREPARATION PROCESS AND USE THEREOF
Publication number
20250215186
Publication date
Jul 3, 2025
SINGTEX INDUSTRIAL CO., LTD
Kuo-Chin CHEN
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
IMPROVED METHOD FOR DEPOLYMERISING POLYETHYLENE TEREPHTHALATE
Publication number
20250215187
Publication date
Jul 3, 2025
Evonik Operations GmbH
Philip Heinrich REINSBERG
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
METHOD FOR MANUFACTURING RECYCLED PLASTIC
Publication number
20250215179
Publication date
Jul 3, 2025
artience Co., Ltd.
Yuya SUZUKI
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
PROCESS FOR RECYCLING POLYETHYLENE TEREPHTHALATE USING DIFFERENT MO...
Publication number
20250215185
Publication date
Jul 3, 2025
Revalyu Resources GmbH
Suresh L. MAKHIJA
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
HEAT INTEGRATION IN A PROCESS FOR HYDROLYTICALLY DEPOLYMERIZING A P...
Publication number
20250215180
Publication date
Jul 3, 2025
BASF SE
Stefan BLEI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...