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US Patent 11313081 Beverage filtration article

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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
11313081
Date of Patent
April 26, 2022
Patent Application Number
16522975
Date Filed
July 26, 2019
Patent Citations
‌
US Patent 10745859 Cannabis fiber, absorbent cellulosic structures containing cannabis fiber and methods of making the same
‌
US Patent 10967315 Fine fiber media layer
‌
US Patent 11118313 Ultrasonic welding of wet laid nonwoven compositions
‌
US Patent 10981096 Process for making high efficiency synthetic filter media
‌
US Patent 10273634 Strength agent, its use and method for increasing strength properties of paper
‌
US Patent 10307309 Carded staple fiber nonwovens
‌
US Patent 10443167 Method for producing a wet-laid nonwoven fabric
‌
US Patent 10532123 Hydroentangled fibrous structures
...
Patent Citations Received
‌
US Patent 11530516 Composition of matter in a pre-refiner blend zone
‌
US Patent 11390991 Addition of cellulose esters to a paper mill without substantial modifications
‌
US Patent 11396726 Air filtration articles
‌
US Patent 11401659 Process to produce a paper article comprising cellulose fibers and a staple fiber
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US Patent 11441267 Refining to a desirable freeness
‌
US Patent 11466408 Highly absorbent articles
‌
US Patent 11492756 Paper press process with high hydrolic pressure
‌
US Patent 11492757 Composition of matter in a post-refiner blend zone
...
Patent Primary Examiner
‌
Jose A Fortuna
CPC Code
‌
B01D 2239/0618
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B01D 2239/0636
‌
B01D 2239/064
‌
B01D 2239/1216
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B01D 2239/1225
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B01D 2239/1258
‌
B01D 39/163
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B01D 2239/086
...

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. The present invention relates a filtration article comprising a wet-laid composition comprising cellulose fibers and staple fibers.

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