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US Patent 11332888 Paper composition cellulose and cellulose ester for improved texturing

Patent 11332888 was granted and assigned to Eastman Chemical Company on May, 2022 by the United States Patent and Trademark Office.

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Contents

Is a
Patent
Patent
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Patent attributes

Patent Applicant
Eastman Chemical Company
Eastman Chemical Company
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Current Assignee
Eastman Chemical Company
Eastman Chemical Company
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
113328880
Patent Inventor Names
Charles Stuart Everett0
Kenny Randolph Parker0
Koushik Ghosh0
Melvin Glenn Mitchell0
Mounir Izallalen0
Date of Patent
May 17, 2022
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Patent Application Number
165230020
Date Filed
July 26, 2019
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Patent Citations
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US Patent 10443167 Method for producing a wet-laid nonwoven fabric
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US Patent 10532123 Hydroentangled fibrous structures
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US Patent 10532545 Composite and method for producing the same
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US Patent 10967315 Fine fiber media layer
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US Patent 10981096 Process for making high efficiency synthetic filter media
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US Patent 11230811 Recycle bale comprising cellulose ester
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US Patent 10307309 Carded staple fiber nonwovens
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US Patent 10273634 Strength agent, its use and method for increasing strength properties of paper
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Patent Citations Received
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US Patent 11492757 Composition of matter in a post-refiner blend zone
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US Patent 11441267 Refining to a desirable freeness
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US Patent 11525215 Cellulose and cellulose ester film
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US Patent 11396726 Air filtration articles
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US Patent 11519132 Composition of matter in stock preparation zone of wet laid process
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US Patent 11512433 Composition of matter feed to a head box
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US Patent 11492756 Paper press process with high hydrolic pressure
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US Patent 11530516 Composition of matter in a pre-refiner blend zone
Patent Primary Examiner
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Jose A Fortuna
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CPC Code
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D21H 17/67
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D21H 17/74
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D21H 17/675
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D21H 15/00
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D21H 27/00
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D21H 27/002
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D21H 11/12
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D04H 1/26
0
...

The present invention provides compositions comprising cellulose fibers and cellulose ester fibers and wet laid articles made from the compositions, as well as wet laid processes to produce these compositions. More specifically, the present invention provided compositions comprising cellulose fibers and cellulose acetate fibers and wet laid articles made from these compositions as well as wet laid processes to produce these compositions. The present invention also relates to composition, process, wet laid product, or articles exhibiting any one of many desired benefits. The invention also relates to a composition comprising cellulose fiber and a staple fiber exhibiting improved texturing.

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