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US Patent 7722781 Tetrafluoropropene production processes

Patent 7722781 was granted and assigned to E.I. Du Pont De Nemours And Company on May, 2010 by the United States Patent and Trademark Office.

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Patent abstract

A process is disclosed for the manufacture of CF3CF═CH2 and CF3CH═CHF. The process involves dehydrofluorinating CF3CHFCH2F in the presence of a dehydrofluorination catalyst to produce a product mixture comprising CF3CF═CH2 and CF3CH═CHF, and recovering said CF3CF═CH2 and CF3CH═CHF from the product mixture. The present invention also provides a composition comprising (a) the Z-isomer of CF3CH═CHF and (b) HF; wherein the HF is present in an effective amount to form an azeotropic combination with the Z—CF3CH═CHF.

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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=0772278100
Edits on 22 May, 2023
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edited on 22 May, 2023
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US Patent 07722781 Tetrafluoropropene production processes US Patent 7722781 Tetrafluoropropene production processes

Infobox
Patent Number
0772278100
Patent Number
772278100
Edits on 5 Apr, 2023
"Entity importer update"
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Golden AI
edited on 5 Apr, 2023
Infobox
Is a
Patent
Patent
0
Current Assignee
‌
E.I. Du Pont De Nemours And Company
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
077227810
Date of Patent
May 25, 2010
0
Patent Application Number
123010700
Date Filed
June 22, 2007
0
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=077227810
Patent Primary Examiner
‌
Douglas Mc Ginty
0
Edits on 23 Sep, 2022
"Entity importer update"
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Golden AI
edited on 23 Sep, 2022
Infobox
Is a
Patent
Patent
0
Current Assignee
‌
E.I. Du Pont De Nemours And Company
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
077227810
Date of Patent
May 25, 2010
0
Patent Application Number
123010700
Date Filed
June 22, 2007
0
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=077227810
Patent Primary Examiner
‌
Douglas Mc Ginty
0
Edits on 18 Jun, 2022
"Entity importer update"
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Golden AI
edited on 18 Jun, 2022
Edits made to:
Infobox (+1 properties)
Infobox
Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07722781
Edits on 4 Dec, 2021
"Created via: Entity Importer"
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Golden AI
created this topic on 4 Dec, 2021
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 US Patent 07722781 Tetrafluoropropene production processes

Infobox
Is a
Patent
Patent
Current assignee
‌
E.I. Du Pont De Nemours And Company
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07722781
Date of patent
May 25, 2010
Patent application number
12301070
Date Filed
June 22, 2007
Patent primary examiner
‌
Douglas Mc Ginty

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