What technology area does this patent fall under?

Primary CPC classification C09K5/045. Mapped technology areas include Chemistry & Metallurgy.

When was this patent published?

Publication date Tue Mar 31 2020 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.

What related patents are in patentsdb?

We list 12 related publications on this page (citations in our corpus or others sharing the same primary CPC).

Composition including 2,3,3,3-tetrafluoropropene

US10604690B2 · US · B2

Patent metadata
Field	Value
Publication number	US-10604690-B2
Application number	US-201715481815-A
Country	US
Kind code	B2
Filing date	Apr 7, 2017
Priority date	Dec 26, 2012
Publication date	Mar 31, 2020
Grant date	Mar 31, 2020

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Title
What the patent document calls the invention.
Abstract
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Assignees and inventors
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Key dates
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First independent claim
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CPC / IPC classifications
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Abstract

Official abstract text for this publication.

A composition including the compound HFO-1234yf and at least one other, additional, compound selected from HCFC-240db, HCFO-1233xf, HCFC-243db, HCFO-1233zd, HCC-40, HCFC-114a, HCFC-115, HCFC-122, HCFC-23, HCFC-124, HCFC-124a, HFC-125, HCFC-133a, HCFC-142, HCFC-143, HFC-52a, HCFC-243ab, HCFC-244eb, HFC-281ea, HCO-1110, HCFO-1111, HCFO-1113, HCFO-1223xd, and HCFO-1224xe. A composition including the compound HFO-1234yf and at least two compounds selected from HFO-1234ze, HFC-245cb, HFC-134a, HCFC-115, HFC-152a, HCC-40 and HFO-1243zf.

First claim

Opening claim text (preview).

The invention claimed is: 1. A composition comprising the compounds HFO-1234yf, HFO-1234ze, and HFO-1243zf, and at least one compound chosen from HCFC-115, HFC-152a, and HCC-40, wherein the at least one compound represents at most 1% by weight of the composition, and wherein the composition comprises at least 99% by weight of HFO-1234yf. 2. The composition as claimed in claim 1 , wherein the composition comprises the compounds HFO-1234yf, HFO-1234ze, HFO-1243zf, and HCC-40 and at least one compound chosen from HFO-1234ze, HFC-134a, HCFC-115, and HFC-152a. 3. The composition as claimed in claim 1 , wherein the composition comprises the compounds HFO-1234yf, HFO-1234ze, HFO-1243zf, and HFC-134a and at least one compound chosen from HCFC-115, and HFC-152a. 4. The composition as claimed in claim 1 , wherein the composition comprises the compounds HFO-1234yf, HFO-1234ze, and HFO-1243zf, and at least one compound chosen from HCFC-115, and HFC-152a. 5. The composition as claimed in claim 1 , wherein the composition comprises the compounds HFO-1234yf, HFO-1234ze, and HFO-1243zf and at least one compound chosen from HCFC-115 and HFC-152a. 6. The composition as claimed in claim 1 , wherein the composition comprises the compound HFO-1234yf, HFO-1234ze, HFO-1243zf, and HCFC-115 and at least one compound chosen from HCC-40, and HFC-152a. 7. The composition as claimed in claim 1 , wherein the composition comprises at least 99.5% by weight of HFO-1234yf. 8. A composition consisting of the compounds HFO-1234yf, HFO-1234ze, and HFO-1243zf, and at least one compound chosen from HFC-245cb, HCFC-115, and HFC-152a, wherein the at least one compound represents at most 1% by weight of the composition, and wherein the composition comprises at least 99% by weight of HFO-1234yf.

Assignees

Arkema France

Inventors

Classifications

C09K5/045Primary
containing only fluorine as halogen · CPC title
C09K2205/126
Unsaturated fluorinated hydrocarbons · CPC title
C09K2205/32
The mixture being azeotropic · CPC title
C07C21/18
containing fluorine · CPC title
H01B3/56
gases · CPC title

Patent family

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Frequently asked questions

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What does patent US10604690B2 cover?: A composition including the compound HFO-1234yf and at least one other, additional, compound selected from HCFC-240db, HCFO-1233xf, HCFC-243db, HCFO-1233zd, HCC-40, HCFC-114a, HCFC-115, HCFC-122, HCFC-23, HCFC-124, HCFC-124a, HFC-125, HCFC-133a, HCFC-142, HCFC-143, HFC-52a, HCFC-243ab, HCFC-244eb, HFC-281ea, HCO-1110, HCFO-1111, HCFO-1113, HCFO-1223xd, and HCFO-1224xe. A composition including t…
Who is the assignee on this patent?: Arkema France
What technology area does this patent fall under?: Primary CPC classification C09K5/045. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?: Publication date Tue Mar 31 2020 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?: We list 12 related publications on this page (citations in our corpus or others sharing the same primary CPC).