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US Patent 7217780 Polyether ketone and method of producing the same

Patent 7217780 was granted and assigned to Mitsui Chemicals on May, 2007 by the United States Patent and Trademark Office.

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Patent abstract

There are disclosed, a polyether ketone having a primary particle size of 50 μm or less; and a method of producing a polyether ketone by a desalting polycondensation, which contains a step of conducting a polymerization reaction under a condition of deposition of the polymer. The polyether ketone obtained by the present invention has small particle size, high molecular weight and sufficiently small content of impurities such as alkali metal components.

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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=0721778012
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US Patent 07217780 Polyether ketone and method of producing the same US Patent 7217780 Polyether ketone and method of producing the same

Infobox
Patent Number
0721778012
Patent Number
721778012
Edits on 29 Mar, 2023
"Entity importer update"
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Golden AI
edited on 29 Mar, 2023
Infobox
Is a
Patent
Patent
1
Current Assignee
Mitsui Chemicals
Mitsui Chemicals
1
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
072177801
Date of Patent
May 15, 2007
1
Patent Application Number
104980961
Date Filed
December 10, 2002
1
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=072177801
Patent Primary Examiner
‌
Duc Truong
1
Edits on 25 Sep, 2022
"Entity importer update"
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Golden AI
edited on 25 Sep, 2022
Infobox
Is a
Patent
Patent
1
Current Assignee
Mitsui Chemicals
Mitsui Chemicals
1
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
072177801
Date of Patent
May 15, 2007
1
Patent Application Number
104980961
Date Filed
December 10, 2002
1
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=072177801
Patent Primary Examiner
‌
Duc Truong
1
Edits on 8 Jun, 2022
"Entity importer update"
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edited on 8 Jun, 2022
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Infobox
Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07217780
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created this topic on 21 Nov, 2021
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 US Patent 07217780 Polyether ketone and method of producing the same

Infobox
Is a
Patent
Patent
Current assignee
Mitsui Chemicals
Mitsui Chemicals
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07217780
Date of patent
May 15, 2007
Patent application number
10498096
Date Filed
December 10, 2002
Patent primary examiner
‌
Duc Truong

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