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US Patent 10273340 Porous polybenzimidazole resin and method of making same

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Patent abstract

A porous polybenzimidazole (PBI) particulate resin is disclosed. This resin is easily dissolved at ambient temperatures and pressures. The resin is made by: dissolving a virgin PBI resin in a highly polar solvent; precipitating the dissolved PBI in a bath; and drying the precipitated PBI, the dried precipitated PBI being porous. The porous PBI resin may be dissolved by: mixing a porous PBI resin with a highly polar solvent at ambient temperatures and pressures to form a solution.

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Patent Inventor Names
Gregory S. Copeland0
John B. Hopkins, Jr.0
Karin M. Hudson0
Michael Gruender0
Edits on 21 May, 2023
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=102733400
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Infobox
Is a
Patent
Patent
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
102733400
Date of Patent
April 30, 2019
0
Patent Application Number
157918640
Date Filed
October 24, 2017
0
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=102733400
Patent Citations Received
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US Patent D917654 Dueling shooting target assembly
0
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US Patent 11248882 Dueling target shooting assembly
0
Patent Primary Examiner
‌
Irina S. Zemel
0
Edits on 23 Sep, 2022
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edited on 23 Sep, 2022
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=10273340
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edited on 16 Feb, 2022
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Patent citations received
‌
US Patent 11248882 Dueling target shooting assembly
Edits on 11 Feb, 2022
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edited on 11 Feb, 2022
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Patent citations received
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US Patent D917654 Dueling shooting target assembly
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 US Patent 10273340 Porous polybenzimidazole resin and method of making same

Infobox
Is a
Patent
Patent
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
10273340
Date of patent
April 30, 2019
Patent application number
15791864
Date Filed
October 24, 2017
Patent primary examiner
‌
Irina S. Zemel

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