with acids, acid salts or acid anhydrides

Industry

CPC
D21C3/04

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Parent Industries

DTEXTILES PAPER D21Papermaking D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS APPARATUS THEREFOR D21C3/00Pulping cellulose-containing materials

Current Industry

D21C3/04with acids, acid salts or acid anhydrides

Industries

Patents Grantslast 30 patents

Information Patent Grant
Arylsulfonic acid—modified sulfuric acid and uses thereof
- Patent number 12,123,138
- Issue date Oct 22, 2024
- SixRing Inc.
- Clay Purdy
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Lignocellulosic biomass based process for production of lignins and...
- Patent number 12,084,811
- Issue date Sep 10, 2024
- Société Bioeb
- Michel Delmas
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Nanocellulose-reinforced corrugated medium
- Patent number 12,077,915
- Issue date Sep 3, 2024
- GranBio Intellectual Property Holdings, LLC
- Theodora Retsina
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Hydrophobic nanocellulose-coated paper and paperboard
- Patent number 12,077,654
- Issue date Sep 3, 2024
- GranBio Intellectual Property Holdings, LLC
- Kimberly Nelson
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Approach to biomass delignification
- Patent number 12,071,724
- Issue date Aug 27, 2024
- SixRing Inc.
- Clay Purdy
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Modified sulfuric acid and uses thereof
- Patent number 12,065,780
- Issue date Aug 20, 2024
- SixRing Inc.
- Clay Purdy
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Modified sulfuric acid and uses thereof
- Patent number 12,031,269
- Issue date Jul 9, 2024
- SixRing Inc.
- Clay Purdy
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Modified sulfuric acid and uses thereof
- Patent number 12,024,821
- Issue date Jul 2, 2024
- SixRing Inc.
- Clay Purdy
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Temperature-controlled delignification of biomass
- Patent number 11,982,051
- Issue date May 14, 2024
- SixRing Inc.
- Markus Weissenberger
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Combination approach to delignification of biomass under ambient co...
- Patent number 11,982,052
- Issue date May 14, 2024
- SixRing Inc.
- Clay Purdy
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Modified sulfuric acid and uses thereof
- Patent number 11,965,289
- Issue date Apr 23, 2024
- SixRing Inc.
- Clay Purdy
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Processes and apparatus for producing nanocellulose, and compositio...
- Patent number 11,932,706
- Issue date Mar 19, 2024
- GranBio Intellectual Property Holdings, LLC
- Kimberly Nelson
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Modified sulfuric acid and uses thereof
- Patent number 11,905,171
- Issue date Feb 20, 2024
- SixRing Inc.
- Clay Purdy
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Approach to biomass delignification
- Patent number 11,905,656
- Issue date Feb 20, 2024
- SixRing Inc.
- Clay Purdy
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Solvent-based processes for producing nanocellulose, and compositio...
- Patent number 11,905,341
- Issue date Feb 20, 2024
- GranBio Intellectual Property Holdings, LLC
- Kimberly Nelson
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Processes, methods, and systems for chemo-mechanical cellular explo...
- Patent number 11,885,069
- Issue date Jan 30, 2024
- IFG Technologies, LLC
- Timothy Wagler
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Methods of processing lignocellulosic biomass using single-stage au...
- Patent number 11,866,753
- Issue date Jan 9, 2024
- Inbicon A/S
- Jan Larsen
- C13 - SUGAR INDUSTRY
Information Patent Grant
Modified sulfuric acid and uses thereof
- Patent number 11,846,067
- Issue date Dec 19, 2023
- SixRing Inc.
- Clay Purdy
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Oleophilic and hydrophobic nanocellulose materials
- Patent number 11,827,771
- Issue date Nov 28, 2023
- GranBio Intellectual Property Holdings, LLC
- Theodora Retsina
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Approach to biomass delignification
- Patent number 11,821,139
- Issue date Nov 21, 2023
- SixRing Inc.
- Clay Purdy
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Multi-step process for the isolation of components from Miscanthus
- Patent number 11,814,790
- Issue date Nov 14, 2023
- EXEGI IP MANAGEMENT B.V.
- Marcel Van De Peppel
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Modified sulfuric acid and uses thereof
- Patent number 11,760,720
- Issue date Sep 19, 2023
- SixRing Inc.
- Clay Purdy
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Use of a 2 liquid phase system in biomass delignification
- Patent number 11,668,047
- Issue date Jun 6, 2023
- SixRing Inc.
- Clay Purdy
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Low energy production process for producing paper pulp from lignoce...
- Patent number 11,624,152
- Issue date Apr 11, 2023
- Société Bioeb
- Michel Delmas
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Recycled pulp, absorbent, non-woven fabric, and sanitary article
- Patent number 11,554,520
- Issue date Jan 17, 2023
- Unicharm Corporation
- Takayoshi Konishi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Processes, methods, and systems for chemo-mechanical cellular explo...
- Patent number 11,549,214
- Issue date Jan 10, 2023
- IFG Technologies, LLC
- Timothy Wagler
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Fractionation of lignocellulosic biomass using maleic acid at low t...
- Patent number 11,479,914
- Issue date Oct 25, 2022
- Junyong Zhu
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Fiber production with supercritical fluid phase from cotton straw
- Patent number 11,479,913
- Issue date Oct 25, 2022
- Mustafa Soylu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of obtaining rayon fibers
- Patent number 11,441,264
- Issue date Sep 13, 2022
- King Abdulaziz University
- Sherif Hindi
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Nanocellulose-reinforced corrugated medium
- Patent number 11,359,334
- Issue date Jun 14, 2022
- GranBio Intellectual Property Holdings, LLC
- Theodora Retsina
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
APPROACH TO BIOMASS DELIGNIFICATION
- Publication number 20240368834
- Publication date Nov 7, 2024
- SixRing Inc.
- Clay Purdy
- C01 - INORGANIC CHEMISTRY
Information Patent Application
MODIFIED SULFURIC ACID AND USES THEREOF
- Publication number 20240318381
- Publication date Sep 26, 2024
- SixRing Inc.
- Clay PURDY
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MODIFIED SULFURIC ACID AND USES THEREOF
- Publication number 20240309585
- Publication date Sep 19, 2024
- SixRing Inc.
- Clay PURDY
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MODIFIED SULFURIC ACID AND USES THEREOF
- Publication number 20240263394
- Publication date Aug 8, 2024
- Clay PURDY
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
APPROACH TO BIOMASS DELIGNIFICATION
- Publication number 20240247438
- Publication date Jul 25, 2024
- SixRing Inc.
- Clay Purdy
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESSES AND APPARATUS FOR PRODUCING NANOCELLULOSE, AND COMPOSITIO...
- Publication number 20240247081
- Publication date Jul 25, 2024
- GranBio Intellectual Property Holdings, LLC
- Kimberly NELSON
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
MODIFIED SULFURIC ACID AND USES THEREOF
- Publication number 20240229354
- Publication date Jul 11, 2024
- Clay PURDY
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MODIFIED SULFURIC ACID AND USES THEREOF
- Publication number 20240150173
- Publication date May 9, 2024
- SixRing Inc.
- Clay PURDY
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESSES, METHODS, AND SYSTEMS FOR CHEMO-MECHANICAL CELLULAR EXPLO...
- Publication number 20240141587
- Publication date May 2, 2024
- Timothy Wagler
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHODS OF PROCESSING LIGNOCELLULOSIC BIOMASS USING SINGLE-STAGE AU...
- Publication number 20240102064
- Publication date Mar 28, 2024
- INBICON A/S
- Jan Larsen
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
Optimization Of Chemical Consumption in Biomass Delignification
- Publication number 20240052566
- Publication date Feb 15, 2024
- SixRing Inc.
- Tenzin LEKSMON
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MODIFIED SULFURIC ACID AND USES THEREOF
- Publication number 20230416985
- Publication date Dec 28, 2023
- SixRing Inc.
- Clay PURDY
- C01 - INORGANIC CHEMISTRY
Information Patent Application
MODIFIED SULFURIC ACID AND USES THEREOF
- Publication number 20230382852
- Publication date Nov 30, 2023
- SixRing Inc.
- Clay PURDY
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR TREATING TERRESTRIAL-BASED AND MARINE-BASED BIOMASSES
- Publication number 20230357988
- Publication date Nov 9, 2023
- GREENKEY LLC
- Melvin Mitchell
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR SEPARATING BIOMASS COMPONENTS BY TERNARY SYSTEM
- Publication number 20230323597
- Publication date Oct 12, 2023
- QILU UNIVERSITY OF TECHNOLOGY
- Yongchao Zhang
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR ACIDIC HYDROLYSIS OF A PARTICULATE SOLID MATERIAL CONTA...
- Publication number 20230295753
- Publication date Sep 21, 2023
- Avantium Knowledge Centre B.V.
- Jagdeep Singh
- C13 - SUGAR INDUSTRY
Information Patent Application
PROCESSES, METHODS, AND SYSTEMS FOR CHEMO-MECHANICAL CELLULAR EXPLO...
- Publication number 20230099096
- Publication date Mar 30, 2023
- Timothy Wagler
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Application
OLEOPHILIC AND HYDROPHOBIC NANOCELLULOSE MATERIALS
- Publication number 20230055478
- Publication date Feb 23, 2023
- GranBio Intellectual Property Holdings, LLC
- Theodora RETSINA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
NANOCELLULOSE-REINFORCED CORRUGATED MEDIUM
- Publication number 20230002972
- Publication date Jan 5, 2023
- GranBio Intellectual Property Holdings, LLC
- Theodora RETSINA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
TEMPERATURE-CONTROLLED DELIGNIFICATION OF BIOMASS
- Publication number 20220412001
- Publication date Dec 29, 2022
- SixRing Inc.
- Markus Weissenberger
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Fractionation of Lignocellulosic Biomass Using Maleic Acid at Low T...
- Publication number 20220290369
- Publication date Sep 15, 2022
- The United States as Represented by the Secretary of Agriculture
- Junyong Zhu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MODIFIED SULFURIC ACID AND USES THEREOF
- Publication number 20220267955
- Publication date Aug 25, 2022
- SixRing Inc.
- Clay PURDY
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MODIFIED SULFURIC ACID AND USES THEREOF
- Publication number 20220267150
- Publication date Aug 25, 2022
- SixRing Inc.
- Clay PURDY
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
USE OF A PLURALITY OF SALT IONIC LIQUIDS IN THE PRETREATMENT OF BIO...
- Publication number 20220195666
- Publication date Jun 23, 2022
- The Regents of the University of California
- Hemant Choudhary
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
NOVEL APPROACH TO BIOMASS DELIGNIFICATION
- Publication number 20220195665
- Publication date Jun 23, 2022
- SixRing Inc.
- Clay PURDY
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
APPROACH TO BIOMASS DELIGNIFICATION
- Publication number 20220195664
- Publication date Jun 23, 2022
- SixRing Inc.
- Clay PURDY
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
USE OF A 2 LIQUID PHASE SYSTEM IN BIOMASS DELIGNIFICATION
- Publication number 20220186435
- Publication date Jun 16, 2022
- SixRing Inc.
- Clay PURDY
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
NOVEL APPROACH TO BIOMASS DELIGNIFICATION
- Publication number 20220186436
- Publication date Jun 16, 2022
- SixRing Inc.
- Clay PURDY
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
COMBINATION APPROACH TO DELIGNIFICATION OF BIOMASS UNDER AMBIENT CO...
- Publication number 20220186434
- Publication date Jun 16, 2022
- SixRing Inc.
- Clay PURDY
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
NOVEL APPROACH TO BIOMASS DELIGNIFICATION
- Publication number 20220170206
- Publication date Jun 2, 2022
- SixRing Inc.
- Clay PURDY
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

with acids, acid salts or acid anhydrides

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Arylsulfonic acid—modified sulfuric acid and uses thereof

Lignocellulosic biomass based process for production of lignins and...

Nanocellulose-reinforced corrugated medium

Hydrophobic nanocellulose-coated paper and paperboard

Approach to biomass delignification

Modified sulfuric acid and uses thereof

Modified sulfuric acid and uses thereof

Modified sulfuric acid and uses thereof

Temperature-controlled delignification of biomass

Combination approach to delignification of biomass under ambient co...

Modified sulfuric acid and uses thereof

Processes and apparatus for producing nanocellulose, and compositio...

Modified sulfuric acid and uses thereof

Approach to biomass delignification

Solvent-based processes for producing nanocellulose, and compositio...

Processes, methods, and systems for chemo-mechanical cellular explo...

Methods of processing lignocellulosic biomass using single-stage au...

Modified sulfuric acid and uses thereof

Oleophilic and hydrophobic nanocellulose materials

Approach to biomass delignification

Multi-step process for the isolation of components from Miscanthus

Modified sulfuric acid and uses thereof

Use of a 2 liquid phase system in biomass delignification

Low energy production process for producing paper pulp from lignoce...

Recycled pulp, absorbent, non-woven fabric, and sanitary article

Processes, methods, and systems for chemo-mechanical cellular explo...

Fractionation of lignocellulosic biomass using maleic acid at low t...

Fiber production with supercritical fluid phase from cotton straw

Method of obtaining rayon fibers

Nanocellulose-reinforced corrugated medium

Patents Applicationslast 30 patents

APPROACH TO BIOMASS DELIGNIFICATION

MODIFIED SULFURIC ACID AND USES THEREOF

MODIFIED SULFURIC ACID AND USES THEREOF

MODIFIED SULFURIC ACID AND USES THEREOF

APPROACH TO BIOMASS DELIGNIFICATION

PROCESSES AND APPARATUS FOR PRODUCING NANOCELLULOSE, AND COMPOSITIO...

MODIFIED SULFURIC ACID AND USES THEREOF

MODIFIED SULFURIC ACID AND USES THEREOF

PROCESSES, METHODS, AND SYSTEMS FOR CHEMO-MECHANICAL CELLULAR EXPLO...

METHODS OF PROCESSING LIGNOCELLULOSIC BIOMASS USING SINGLE-STAGE AU...

Optimization Of Chemical Consumption in Biomass Delignification

MODIFIED SULFURIC ACID AND USES THEREOF

MODIFIED SULFURIC ACID AND USES THEREOF

PROCESS FOR TREATING TERRESTRIAL-BASED AND MARINE-BASED BIOMASSES

METHOD FOR SEPARATING BIOMASS COMPONENTS BY TERNARY SYSTEM

PROCESS FOR ACIDIC HYDROLYSIS OF A PARTICULATE SOLID MATERIAL CONTA...

PROCESSES, METHODS, AND SYSTEMS FOR CHEMO-MECHANICAL CELLULAR EXPLO...

OLEOPHILIC AND HYDROPHOBIC NANOCELLULOSE MATERIALS

NANOCELLULOSE-REINFORCED CORRUGATED MEDIUM

TEMPERATURE-CONTROLLED DELIGNIFICATION OF BIOMASS

Fractionation of Lignocellulosic Biomass Using Maleic Acid at Low T...

MODIFIED SULFURIC ACID AND USES THEREOF

MODIFIED SULFURIC ACID AND USES THEREOF

USE OF A PLURALITY OF SALT IONIC LIQUIDS IN THE PRETREATMENT OF BIO...

NOVEL APPROACH TO BIOMASS DELIGNIFICATION

APPROACH TO BIOMASS DELIGNIFICATION

USE OF A 2 LIQUID PHASE SYSTEM IN BIOMASS DELIGNIFICATION

NOVEL APPROACH TO BIOMASS DELIGNIFICATION

COMBINATION APPROACH TO DELIGNIFICATION OF BIOMASS UNDER AMBIENT CO...

NOVEL APPROACH TO BIOMASS DELIGNIFICATION