US Patent 7998578 Polyphenylene sulfide spunbond fiber
Patent 7998578 was granted and assigned to E.I. Du Pont De Nemours And Company on August, 2011 by the United States Patent and Trademark Office.
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Patent abstract
The present invention is directed to a spunbond fiber comprising polyphenylene sulfide polymer having a zero shear viscosity at 300° C. of about 21,500 to about 28,000 Pa·s.
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US Patent 07998578 Polyphenylene sulfide spunbond fiber US Patent 7998578 Polyphenylene sulfide spunbond fiber
Infobox
Patent Number
0799857800
Patent Number
799857800
Edits on 27 Apr, 2023
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
079985780
Date of Patent
August 16, 2011
0Patent Application Number
123358990
Date Filed
December 16, 2008
0Patent Primary Examiner
Edits on 28 Sep, 2022
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
079985780
Date of Patent
August 16, 2011
0Patent Application Number
123358990
Date Filed
December 16, 2008
0Patent Primary Examiner
Edits on 8 Dec, 2021
Golden AI
Edits made to:
Infobox (+8 properties)
US Patent 07998578 Polyphenylene sulfide spunbond fiber
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07998578
Date of patent
August 16, 2011
Patent application number
12335899
Date Filed
December 16, 2008
Patent primary examiner
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