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US Patent 10967315 Fine fiber media layer

Patent 10967315 was granted and assigned to Donaldson Company on April, 2021 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors

Is a

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Patent attributes

Patent Applicant

Donaldson Company

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Current Assignee

Donaldson Company

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

John R. B. Hall0

Thomas M. Weik0

Douglas G. Crofoot0

Hoo Young Chung0

Mark A. Gogins0

Date of Patent

April 6, 2021

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Patent Application Number

163979360

Date Filed

April 29, 2019

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Patent Citations

US Patent 10272374 Fine fiber media layer

Patent Citations Received

US Patent 11525215 Cellulose and cellulose ester film

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US Patent 11530516 Composition of matter in a pre-refiner blend zone

US Patent 11441267 Refining to a desirable freeness

US Patent 11479919 Molded articles from a fiber slurry

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US Patent 11492757 Composition of matter in a post-refiner blend zone

US Patent 11492755 Waste recycle composition

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US Patent 11492756 Paper press process with high hydrolic pressure

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US Patent 11512433 Composition of matter feed to a head box

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Patent Primary Examiner

Minh Chau T Pham

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Patent abstract

Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful applications including the formation of filter materials.

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