The Chemours Company Fc, LLC

E.i. Dupont De Nemours and Company

Other

Karl Robert Krause

Xuehui Sun

Mario Joseph Nappa

Theodore Augur Koch

Mehrdad Mehdizadeh

Sourav Kumar Sengupta

Sheng Peng

Mary E Koban

Benny E Blackwell

Jian Sun-blanks

Barbara Haviland Minor

Ronald E Heiskell

Andrew Jackson

Frank M Knafelc

Ezra E Theys

Joshua Hughes

Patricia Cheung

Anthony F Stasio

Michael A Sisk

Hans Westdijk

Pradeep Sharma

A system and method for delivering a refrigerant to a refrigerant system. The system includes a distribution system comprising a distribution vessel, a transfer line, at least one pump, a distribution line and a distribution line branch arranged and disposed to transfer refrigerant from the distribution vessel to the refrigerant system. The system additionally includes a monitoring system comprising one or more sensors arranged and disposed to measure at least one distribution parameter within the distribution system and a recovery system arranged and disposed to selectively receive refrigerant based upon the refrigerant suitability for use in the refrigerant system.

Methods and containers for transporting, transferring, storing and using refrigerants

A composition including 2-chloro-3,3,3-trifluoropropene (1233xf), one or more of 2,3-dichloro-1,1,1-trifluoropropane (243db), 1,2-dichloro-3,3,3-trifluoropropene (1223xd), 2,3-dichloro-3,3-difluoropropene (1232xf), 2,2,3-trichloro-1,1,1-trifluoro-propane (233ab), 2,3,3-trichloro-1,1,1-trifluoro-propane (233da), 3,3,3-trifluoropropyne, 1-chloro-3,3,3-trifluoropropyne, 3,3,3-trifluoro-1-propene (1243zf), 1-chloro-3,3,3-trifluoro-1-propene (1233zd), 1-chloro-2,3,3,3-tetrafluoro-1-propene (1224yd), or 2-bromo-3,3,3-trifluoropropene and optionally 1233xf oligomers are disclosed.

2-chloro-3,3,3-trifluoropropene (1233XF) compositions and methods for making and using the compositions

A dehydrohalogenation product includes a hydrochlorofluorocarbon mixture of a fluoroolefin of formula RCX=CZQ and a halofluoroalkane of formula RCXYCZQT. R is a perfluorinated alkyl group and X, Z, and Q are independently H or halogen. One of Y and T is H and the other is Cl, Br, or I. About 80% or greater of the hydrochlorofluorocarbon mixture is the fluoroolefin. The dehydrohalogenation product also includes a caustic agent and a solvent. In some embodiments, the dehydrohalogenation product is free of any catalyst, including any phase transfer catalyst.

Dehydrohalogenation of hydrochlorofluorocarbons

The present application provides a process of preparing 3,3,3-trifluoroprop-1-ene, comprising reacting 3-chloro-1,1,1-trifluoropropane with a base in an aqueous solvent component in the absence of a phase transfer catalyst.

Process for preparing 3,3,3-trifluoroprop-1-ene

A method and apparatus for reclaiming refrigerant. The method includes transferring, an unreclaimed refrigerant composition, including one or more hydrofluoro olefins, from a source vessel to a receiving vessel and transporting the receiving vessel to a recycling center. The unreclaimed refrigerant composition is analyzed to determine the composition of the unreclaimed refrigerant composition sample. A target composition is determined, based on the analyzed unreclaimed refrigerant composition, and one or more treatments are determined, based on the target composition. The unreclaimed refrigerant composition is treated, with the one or more treatments, to form a reclaimed refrigerant composition having the composition of the reclaimed refrigerant composition is equal to the target composition.

Process and methods for reclaiming flammable and non-flammable hydrofluoro-olefin containing refrigerants

A method hydrofluorinates an olefin of the formula: RCX=CYZ to produce a hydrofluoroalkane of formula RCXFCHYZ or RCXHCFYZ, where X, Y, and Z are independently the same or different and are selected from the group consisting of H, F, Cl, Br, and C-Calkyl which is partially or fully substituted with chloro or fluoro or bromo; and R is a C-Calkyl which is unsubstituted or substituted with chloro or fluoro or bromo. The method includes reacting the olefin with HF in the vapor phase, in the presence of SbF, at a temperature ranging from about −30° C. to about 65° C. and compositions formed by the process.

Compositions including olefin and hydrofluoroalkane

A method of chlorinating a antimony fluorohalide catalyst is disclosed. In one embodiment the method comprises contacting an antimony fluorohalide catalyst that contains one or more fluorines with a regenerating agent chosen from 2-chloro-3,3,3-trifluoropropene (1233xf), 1,1,1,3-tetrachloropropane (250fb), 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) and combinations of 1233xf, 250fb, and 244bb, under conditions effective to exchange at least one fluorine in the antimony fluorohalide catalyst with chlorine. The method can be used to regenerate spent antimony fluorohalide catalyst, for example regenerating SbClfrom SbF.

Fluorine removal from antimony fluorohalide catalyst using chlorocarbons

A dehydrohalogenation product includes a hydrochlorofluorocarbon mixture of a fluoroolefin of formula RCX&#x2550;CZQ and a halofluoroalkane of formula RCXYCZQT. R is a perfluorinated alkyl group and X, Z, and Q are independently H or halogen. One of Y and T is H and the other is Cl, Br, or I. About 80% or greater of the hydrochlorofluorocarbon mixture is the fluoroolefin. The dehydrohalogenation product also includes a caustic agent and a solvent. In some embodiments, the dehydrohalogenation product is free of any catalyst, including any phase transfer catalyst.

A method hydrofluorinates an olefin of the formula: RCX=CYZ to produce a hydrofluoroalkane of formula RCXFCHYZ or RCXHCFYZ, where X, Y, and Z are independently the same or different and are selected from the group consisting of H, F, Cl, Br, and C-Calkyl which is partially or fully substituted with chloro or fluoro or bromo; and R is a C-Calkyl which is unsubstituted or substituted with chloro or fluoro or bromo. The method includes reacting the olefin with HF in the vapor phase, in the presence of SbF, at a temperature ranging from about &#x2212;30&#xb0; C. to about 65&#xb0; C. and compositions formed by the process.

Method for preparing 1,1,1,2,2-pentafluoropropane

A garage floor barricade is inserted into a seam between two slabs of concrete at a garage floor entrance of a garage for prohibiting fluid and debris from traveling past the garage floor entrance (e.g., ground level) into the garage. The barricade includes a single and continuous body having a flanged bottom edge adapted to be inserted into a seam between two slabs of concrete at the garage floor entrance of the garage. An adhesive member adapted to be deposited into the seam and configured to be engaged with the flanged bottom edge such that a planar medial portion of the body remains sufficiently upright above the seam between the two slabs of concrete.

Growing community of inventors

Kennett Square, PA, United States of America

Karl Robert Krause