US 2022/0017458 A1Published application

Method for the Recycling or Disposal of Halocarbons

AssigneeGrillo-Werke AG

InventorsTimo OTT, Christian DIAZ-URRUTIA, Matthias VOGT

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Abstract

The present invention relates to a method for recycling and/or disposal of halocarbons, particularly fluorinated alkanes, such as trifluoromethane, by reacting said halocarbons with sulfur trioxide, particularly to form halide sulfonic acids and sulfur dioxide.

Claims20

Dependent claims

A method for conversion of halocarbons, comprising the steps of reacting a halocarbon with SO3.

Dependencies are inferred from the claim text.

Facts

Application: 17/299,764Filed 5 Dec 2019
Priority: EP 18210744.16 Dec 2018
Published: 20 Jan 2022
Term ends: Not estimatedThe source records don’t support an estimate.

Classification4 codes

C07C 303/06
By substitution of hydrogen atoms by sulfo or halosulfonyl groups: by reaction with sulfuric acid or sulfur trioxide
Y02C 20/30
Capture or disposal of greenhouse gases: of perfluorocarbons [PFC], hydrofluorocarbons [HFC] or sulfur hexafluoride [SF6]
C07C
Acyclic or carbocyclic compounds
Y02C
Capture, storage, sequestration or disposal of greenhouse gases [ghg]

Family

US 12,116,336 B2Related patent
US 2022/0017458 A1This patent

From the US filing history. Foreign family members aren’t listed.

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