Hillel Magid, Raymond Thomas, Leonard Stiel, John W Pelava: Refrigeration lubricants. Allied Signal, Jay P Friedenson, Harold N Wells, July 5, 1988: US04755316 (166 worldwide citation)

Compression refrigeration equipment using tetrafluoroethane as a working fluid employs polyoxyalkylene glycols which are at least difunctional with respect to hydroxyl groups and a molecular weight between 300 and 2000. The mixtures of the glycols with the refrigerant will be miscible in the range f ...

Hsueh Sung Tung: Vapor phase process for making 1,1,1,3,3-pentafluoropropane and 1-chloro-3,3,3-trifluoropropene. AlliedSignal, Lois A Gianneschi, Jay P Friedenson, January 20, 1998: US05710352 (96 worldwide citation)

A method for the preparation of 1,1,1,3,3-pentafluoropropane (HFC-245fa) and 1-chloro-3,3,3-trifluoropropene (HCFC-1233). 1,1,1,3,3-pentachloropropane (HCC-240fa) is fluorinated with HF in a vapor phase in the presence of a vapor phase catalyst. The HCFC-1233 and any co-produced 1,3,3,3-tetrafluorop ...

Michael Van Der Puy: Fluorinated propenes from pentafluoropropane. AlliedSignal, Jay P Friedenson, Marie L Collazo, November 16, 1999: US05986151 (92 worldwide citation)

A process for the preparation of fluorinated propanes and propenes. CF.sub.3 CH.dbd.CH.sub.2 is produced from CF.sub.3 CH.sub.2 CHF.sub.2 by the sequential steps of dehydrofluorination, a reduction, and a second dehydrofluorination in which the same catalyst is preferably used for each step. Prefera ...

Michael Van Der Puy, G V Bindu Madhavan, Alagappan Thenappan, Hsueh S Tung: Processes for the preparation of fluorinated olefins and hydrofluorocarbons using fluorinated olefin. AlliedSignal, Jay P Friedenson, Colleen Szuch, July 2, 1996: US05532419 (70 worldwide citation)

The invention relates to a cost effective and convenient process for the manufacture of fluorinated olefins of the formula RCF.sub.2 CH.dbd.CH.sub.2 where R is C.sub.x Cl.sub.y F.sub.z and y+z=2x+1. The invention is also directed to a practical process for converting these olefins to hydrofluorocarb ...

Michael VanDerPuy, Alagappan Thenappan: Process for the manufacture of 1,1,1,3,3-pentafluoropropane. AlliedSignal, Jay P Friedenson, Michele G Mangini, November 12, 1996: US05574192 (70 worldwide citation)

This invention is related to the preparation of hydrofluorocarbons (HFCs). Specifically, it relates to the fluorination of a compound of the formula:

George A Shia: Battery electrode and method of making. Allied Corporation, Arthur J Plantamura, Jay P Friedenson, Richard C Stewart, December 3, 1985: US04556618 (49 worldwide citation)

An improvement is provided for the manufacture of perhalogenated polymer, e.g., PTFE, bonded electrodes.

John E Vander Mey: Organic stripping compositions and method for using same. Allied Chemical Corporation, Alan M Doernberg, Jay P Friedenson, July 29, 1980: US04215005 (47 worldwide citation)

Improved organic stripping compositions useful in removing polymeric organic substances, such as photoresists, from aluminized inorganic substrates, which comprise one or more organic sulfonic acids, such as linear dodecylbenzene-sulfonic acid, toluenesulfonic acid and phenolsulfonic acid, one or mo ...

Raymond H P Thomas, Hillel Magid, David P Wilson, John W Pelava: Refrigeration lubricant blends. Allied Signal, Melanie L Brown, Jay P Friedenson, February 13, 1990: US04900463 (46 worldwide citation)

The present invention provides a lubricating composition. The composition comprises a single phase blend of (i) at least one polyoxyalkylene glycol which has a molecular weight between 300 and 2000, a viscosity of about 10-157 centistokes at 37.degree. C., and a viscosity index of at least 20 and (i ...

Alagappan Thenappan, Michael Van Der Puy, Hsueh S Tung: Process for the preparation of 1,1,1,3,3-pentafluoropropane. AlliedSignal, Jay P Friedenson, October 19, 1999: US05969198 (46 worldwide citation)

A process for preparing 1,1,1,3,3-pentafluoropropane from a hydrochlorocarbon of the formula C.sub.3 H.sub.y Cl.sub.x, wherein x is an integer from 3 to 5, y is an integer from 1 to 3, x+y=4, 6, or 8, and x-y=2 is provided.

Raymond H P Thomas, David Nalewajek, Hang T Pham, David P Wilson: Refrigeration compositions having polyoxyalkylene glycols with alkylene groups having at least 4 carbon atoms therein. Allied Signal, Darryl L Webster, Melanie L Brown, Jay P Friedenson, October 19, 1993: US05254280 (46 worldwide citation)

The present invention is directed to polyoxyalkylene glycols which are used to flush currently used lubricants such as mineral oil, alkyl benzenes, and esters from a refrigeration system for conversion to fluorocarbon or hydrofluorocarbon refrigerants. The polyoxyalkylene glycol is selected from the ...