3m Innovative Properties Company

Minnesota Mining and Manufacturing Company

Frederick E Behr

Richard M Flynn

Michael G Costello

Donald F Hagen

Michael J Parent

Paul E Rajtar

Rudolf J Dams

Johan E DeWitte

Dean S Milbrath

Mark W Grenfell

Yuri Cheburkov

Lawrence A Zazzera

Venkateswarlu Pothapragada

Daniel D Krueger

Robert B Fletcher

Lawrence A Zazerra

Billy Lee Weaver

Silva K Theiss

Gregory D Clark

Gary P Roberts

Steven J Vander Louw

Gregory K Hall

The present invention provides an apparatus comprising a device and a mechanism for heat transfer comprising a hydrofluoroether heat-transfer fluid wherein the heat transfer fluid is represented by the following structure:R&#x2014;O&#x2014;R&#x2014;O&#x2014;R'wherein O is oxygen; Rand R&#x2032; are, independently, a fluoroaliphatic group, wherein each Rand R&#x2032; contain 1 hydrogen atom; Ris independently a linear, branched or cyclic alkylene group having from 2 to about 8 carbon atoms and at least 4 hydrogen atoms, and wherein the hydrofluoroether compound is free of &#x2014;O&#x2014;CH&#x2014;O&#x2014;. Another embodiment of the present invention is a method therefor.

Hydrofluoroether as a heat-transfer fluid

The present invention provides an apparatus comprising a device and a mechanism for heat transfer comprising a hydrofluoroether heat-transfer fluid wherein the heat transfer fluid is represented by the following structure:R&#x2014;O&#x2014;R&#x2014;O&#x2014;R'wherein: O is oxygen; Rand R&#x2032; are, independently, a fluoroaliphatic group, wherein each Rand R&#x2032; contain 1 hydrogen atom; Ris independently a linear, branched or cyclic alkylene group having from 2 to about 8 carbon atoms and at least 4 hydrogen atoms, and wherein the hydrofluoroether compound is free of &#x2014;O&#x2014;CH&#x2014;O&#x2014;. Another embodiment of the present invention is a method therefor.

The present invention comprises a compound represented by the following structure:R'(O&#x2014;R) Another embodiment is an apparatus comprising a device and a mechanism for heat transfer comprising a hydrofluoroether heat-transfer fluid. Another embodiment of the present invention is a method for heat transfer.

The present invention comprises a compound represented by the following structure:R&#x2014;O&#x2014;R&#x2014;O&#x2014;R'wherein: Another embodiment is an apparatus comprising a device and a mechanism for heat transfer comprising a hydrofluoroether heat-transfer fluid. Another embodiment of the present invention is a method for heat transfer.

Described are compositions comprising perfluoroalkyl haloalkyl ethers and, optionally, surfactant; uses for perfluoroalkyl haloalkyl ether compounds and compositions thereof, optionally comprising surfactant; and perfluoroalkyl haloalkyl ethers.

Perfluoroalkyl haloalkyl ethers and compositions and applications thereof

A homogeneous non-aqueous composition containing a fluorinated solvent, ozone, and optionally a co-solvent and the use of these compositions for cleaning and oxidizing substrates is described.

Fluorinated solvent compositions containing ozone

A homogeneous compositions containing a fluorinated solvent, hydrogen fluoride, and an optional co-solvent, and the use of these compositions for etching of microelectromechanical devices is described.

Fluorinated solvent compositions containing hydrogen fluoride

The invention describes fluorochemical triazine compounds, compositions containing the fluorochemical triazine compounds, the process for preparing the fluorochemical compounds and compositions, substrates treated with the fluorochemical compounds, melt extrusion of fibers and films containing the fluorochemical compounds and compositions, and coating, polish and marine antifouling compositions to provide oil and water repellency to substrates.

Triazine compounds and use thereof

A homogeneous non-aqueous compositions containing a fluorinated solvent, ozone, and optionally a co-solvent and the use of these compositions for cleaning and oxidizing substrates is described.

Novel mixtures of perfluoroalkyl halides and derivatives thereof are described. These mixtures contain some compounds with a straight perfluoroalkyl group and some with a branched perfluoroalkyl group. Methods of preparation and use are also described.

Perfluoroalkyl halides and derivatives

A homogeneous compositions containing a fluorinated solvent, hydrogen fluoride, and a co-solvent, and the use of these compositions for cleaning and etching of substrates is described.

Growing community of inventors

Woodbury, MN, United States of America

Frederick E Behr