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US Patent 7232864 Coupled radial anionic polymers

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Patent abstract

The present invention is a coupled radial anionic polymer comprising a polyhedral oligosilsesquioxane [POSS] of the formula [R—SiO3/2]n. POSS compounds having R=vinyl, glycidyldimethyl silyl, and isobutyl have been found effective in coupling anionic living polymers to yield radial polymers having 2 to 10 arms. Radial polymers of the present invention have been formed using POSS octamers and mixtures of POSS octamers, decamers and dodecamers. The present invention also relates to a process for coupling living anionic polymers with POSS compounds.

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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=0723286400
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US Patent 07232864 Coupled radial anionic polymers US Patent 7232864 Coupled radial anionic polymers

Infobox
Patent Number
0723286400
Patent Number
723286400
Edits on 29 Apr, 2023
"Entity importer update"
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Golden AI
edited on 29 Apr, 2023
Infobox
Is a
Patent
Patent
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
072328640
Date of Patent
June 19, 2007
0
Patent Application Number
109653070
Date Filed
October 14, 2004
0
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=072328640
Patent Primary Examiner
‌
James J. Seidleck
0
Edits on 24 Sep, 2022
"Entity importer update"
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Golden AI
edited on 24 Sep, 2022
Infobox
Is a
Patent
Patent
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
072328640
Date of Patent
June 19, 2007
0
Patent Application Number
109653070
Date Filed
October 14, 2004
0
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=072328640
Patent Primary Examiner
‌
James J. Seidleck
0
Edits on 15 Jun, 2022
"Entity importer update"
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Golden AI
edited on 15 Jun, 2022
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Infobox
Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07232864
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created this topic on 21 Nov, 2021
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 US Patent 07232864 Coupled radial anionic polymers

Infobox
Is a
Patent
Patent
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07232864
Date of patent
June 19, 2007
Patent application number
10965307
Date Filed
October 14, 2004
Patent primary examiner
‌
James J. Seidleck

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