D21H 11/18

Sub-Class

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Description

Class  D21H : PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR


Subclass 11/18: Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment Highly hydrated, swollen or fibrillatable fibres

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
12258710 Multilayer film comprising highly refined cellulose fibersApr 14, 21Mar 25, 25Stora Enso Oyj
12258711 Multilayer film comprising highly refined cellulose fibersApr 14, 21Mar 25, 25Stora Enso Oyj
12246897 Biodegradable pulp packaging products from natural fibersJul 12, 24Mar 11, 25Papacks Sales GmbH
12215463 Process for producing paper or board and a product thereofMay 22, 19Feb 04, 25Kemira Oyj
12209363 Method for producing microscale and/or nanoscale fiber materialApr 05, 18Jan 28, 25Weidmann Holding AG
12203223 Method of making paper or board productsJun 29, 23Jan 21, 25FIBERLEAN TECHNOLOGIES, LTD.
12188181 Sulfite-based processes for producing nanocellulose, and compositions and products produced therefromOct 18, 21Jan 07, 25GranBio Intellectual Property Holdings, LLC
12172112 Method for making an adsorptive air filterAug 19, 24Dec 24, 24IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY
12168852 Process and system for increasing the solids content of microfibrillated celluloseDec 19, 19Dec 17, 24BORREGAARD AS
12163282 Powder-assembled composite micro-nano fiber and preparation method thereofAug 17, 22Dec 10, 24ZHEJIANG A & F UNIVERSITY
12152115 Patterned liquid repellent nanocellulosic filmDec 22, 20Nov 26, 24Stora Enso Oyj
12152345 Method for the production of a coated paper, paperboard or film and a coated paper, paperboard or filmApr 12, 19Nov 26, 24Stora Enso Oyj
12122980 Articles of manufacture comprising nanocellulose elementsJun 07, 22Oct 22, 24Soane Materials LLC
12123140 Process to produce microfibrillated cellulose by impactsAug 07, 20Oct 22, 24Suzano S.A.
12123143 Process for producing a nanocelullosic material comprising at least two stages of defibrillation of cellulosic feedstock and at least one intermediate fractioning stageJul 17, 19Oct 22, 24Suzano S.A.
12102947 Biodegradable air filter from date palm and method of fabrication thereofMay 16, 24Oct 01, 24IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY
12091818 Processes for producing nanocellulose, and nanocellulose compositions produced therefromMar 23, 21Sep 17, 24GranBio Intellectual Property Holdings, LLC
12083554 Spraying of microfibrillated celluloseDec 16, 19Sep 10, 24BORREGAARD AS
12084563 Refined cellulose fiber compositionJun 30, 20Sep 10, 24Stora Enso Oyj
12077915 Nanocellulose-reinforced corrugated mediumJun 10, 22Sep 03, 24GranBio Intellectual Property Holdings, LLC

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2025/0092,338 Articles of Manufacture Comprising Nanocellulose ElementsOct 02, 24Mar 20, 25Not available
2025/0092,607 SURFACE-TREATED GAS BARRIER FILMJan 31, 23Mar 20, 25Stora Enso Oyj
2025/0092,602 CONTINUOUS PAPERMAKING MACHINES AND METHODS FOR CONTINUOUS PAPERMAKINGApr 14, 23Mar 20, 25Not available
2025/0075,154 Articles of Manufacture Comprising Nanocellulose ElementsFeb 27, 24Mar 06, 25Not available
2025/0066,699 Articles of Manufacture Comprising Nanocellulose ElementsSep 05, 24Feb 27, 25Not available
2025/0059,709 NANOCELLULOSE-REINFORCED CORRUGATED MEDIUMAug 30, 24Feb 20, 25Not available
2025/0059,710 CELLULOSE-BASED GAS BARRIER FILMDec 12, 22Feb 20, 25Stora Enso Oyj
2025/0059,712 STRENGTH ENHANCEMENT AGENT FOR PAPER AND PAPERBOARDDec 12, 22Feb 20, 25Stora Enso Oyj
2025/0019,898 SUBAMBIENT DAYTIME COOLING ENABLED BY HIERARCHICALLY ARCHITECTED ALL-INORGANIC METAPAPER WITH ENHANCED THERMAL DISSIPATIONAug 29, 22Jan 16, 25Not available
2025/0011,584 NANOCELLULOSE-POLYMER COMPOSITES, AND PROCESSES FOR PRODUCING THEMMay 20, 24Jan 09, 25Not available
2025/0003,151 PROCESS TO PRODUCE MICROFIBRILLATED CELLULOSE BY IMPACTSSep 05, 24Jan 02, 25Suzano S.A.
2024/0392,508 Oleophilic cellulosic and/or lignocellulosic fibres, a composition and a product comprising the same, a method of preparing the same, and uses of the sameAug 31, 22Nov 28, 24Not available
2024/0384,470 DISSOLVABLE NANOCELLULOSE SHEETMar 07, 24Nov 21, 24Berkley Medical Resources, Inc.
2024/0367,149 Composition and Method for Making a Water Filter by AccretionMay 02, 24Nov 07, 24Not available
2024/0368,835 GRINDING METHOD AND GRINDING MEDIUMApr 29, 24Nov 07, 24Not available
2024/0352,675 BARRIER LAYERS COMPRISING NANOCELLULOSE ONTO THE SURFACE OF PAPER OR PAPERBOARD SUBSTRATES AT THE WET END OF A PAPERMAKING PROCESSApr 18, 24Oct 24, 24FiberLean Technologies Limited
2024/0344,275 System and Method for Quantifying a Degree of Fibrillation of Fibers Within Pulp Using Image ProcessingAug 11, 22Oct 17, 24Not available
2024/0309,587 AQUEOUS EXFOLIATED GRAPHENE BY AMPHIPHILIC CELLULOSE NANOFIBRILS FOR FOLDABLE AND MOISTURE-RESPONSIVE NANOPAPERFeb 07, 24Sep 19, 24Not available
2024/0309,208 Highly Heat-Resistant Resin Composite Including Chemically Modified, Fine Cellulose FibersMay 23, 24Sep 19, 24Asahi Kasei Kabushiki Kaisha
2024/0279,846 CROSS-LINKED CELLULOSIC FIBERSApr 30, 24Aug 22, 24Not available

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Patents Issued To Date - By Filing Year

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