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US Patent 11441267 Refining to a desirable freeness

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Contents

Is a
Patent
Patent

Patent attributes

Patent Applicant
Eastman Chemical Company
Eastman Chemical Company
Current Assignee
Eastman Chemical Company
Eastman Chemical Company
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
11441267
Date of Patent
September 13, 2022
Patent Application Number
16522962
Date Filed
July 26, 2019
Patent Citations
‌
US Patent 10967315 Fine fiber media layer
‌
US Patent 10981096 Process for making high efficiency synthetic filter media
‌
US Patent 11118313 Ultrasonic welding of wet laid nonwoven compositions
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US Patent 11230811 Recycle bale comprising cellulose ester
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US Patent 11286619 Bale of virgin cellulose and cellulose ester
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US Patent 11299854 Paper product articles
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US Patent 11306433 Composition of matter effluent from refiner of a wet laid process
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US Patent 11313081 Beverage filtration article
...
Patent Primary Examiner
‌
Jose A Fortuna
CPC Code
‌
D21H 15/10
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D21H 11/20
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D21H 13/02
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D21H 13/06
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D21B 1/063
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D21D 1/20
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D21D 1/22
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D21F 11/00
...

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 developing a composition, process, wet laid product, or articles exhibiting any one of many desired benefits.

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