1
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 ...


2
Hermann A Zinnen, Anil R Oroskar, Chin Hsiung Chang: Carbon dioxide removal using aminated carbon molecular sieves. Allied Signal, Harold N Wells, Thomas K McBride, John F Spears Jr, March 7, 1989: US04810266 (98 worldwide citation)

Acid gases such as carbon dioxide are removed from air or other gases using a unique carbon-based material. The material is a carbon molecular sieve prepared from oxygen-free precursors carbonized in the absence of oxygen. The pores of the material are then enlarged as by high temperature steaming. ...


3
Michael G Henk, Jack C Summers II: Layered automotive catalytic composite. Allied Signal, Frank S Molinaro, Harold N Wells, Roger H Criss, September 19, 1989: US04868148 (82 worldwide citation)

This invention relates to a catalytic composite for treating an exhaust gas comprising a first support which is refractory inorganic oxide having dispersed thereon at least one noble metal component and having dispersed immediately thereon an overlayer comprising at least one oxygen storage componen ...


4
Michael M Chau: High flux semipermeable membranes. Allied Signal, Harold N Wells, Gerard P Rooney, August 21, 1990: US04950404 (73 worldwide citation)

High flux semipermeable membranes which comprise a polymerized reaction product within and/or on a porous support may be prepared by contacting the porous support such as a polysulfone sheet with an aqueous solution of an polyamine, said aqueous solution containing a polar aprotic solvent not reacti ...


5
Chinh N Tran, Hong C Chu, William G Light: Chlorine-resistant semipermeable membranes. Allied Signal, Harold N Wells, Thomas K McBride, Raymond H Nelson, May 16, 1989: US04830885 (69 worldwide citation)

Chlorine-resistant semipermeable membranes which comprise an interfacial polymerized reaction product composite on a porous support backing material may be prepared by contacting a porous support material such as polysulfone with an aqueous solution of an aromatic polyamine, said aqueous solution co ...


6
Lloyd S White: Membranes for absorbent packets. Allied Signal, Harold N Wells, Mary Jo Boldingh, Gerhard H Fuchs, April 28, 1992: US05108383 (65 worldwide citation)

An absorbent article comprising a cellulosic membrane about 5 to 50 .mu.m thick prepared by casting a film from solution of a cellulose derivative in a suitable solution and these formed into a packet which encapsulates an osmotic promoter, particularly sodium chloride, sugar or other suitable compo ...


7
Michael M Chau, William G Light, Hong C Chu: Dry high flux semipermeable membranes. Allied Signal, Raymond H Nelson, Harold N Wells, Gerard P Rooney, January 8, 1991: US04983291 (62 worldwide citation)

High flux semipermeable membranes which comprises the polymerized reaction product within and/or on a porous support backing material may be prepared by contacting the porous support such as a polysulfone with an aqueous solution of a polyamine which may, if so desired, contain a polar aprotic solve ...


8
Jack C Summers: Lanthanum containing catalyst for treating automotive exhaust. Allied Signal, Frank S Molinaro, Harold N Wells, Roger H Criss, May 8, 1990: US04923842 (53 worldwide citation)

This invention relates to an improved catalytic composite for treating an exhaust gas comprising a first support which is a refractory inorganic oxide, having dispersed thereon at least one oxygen storage component and at least one noble metal component and having dispersed immediately thereon an ov ...


9
Tai Hsiang Chao: Stepwise formation of channel walls in honeycomb structures. Allied Signal, Harold N Wells, Thomas K McBride, John G Tolomei, March 14, 1989: US04812276 (47 worldwide citation)

A method for forming honeycomb structures by stepwise formation of channel walls reduces the pressure loading imposed by the extrudable material on a die that uses this method, facilitates the formation of well knitted channel walls, and requires only a minimum amount of lateral flow in the discharg ...


10
George C Joy III, Edwin H Homeier: Catalyst for the reduction of the ignition temperature of diesel soot. Allied Signal, Harold N Wells, Thomas K McBride, Frank S Molinaro, July 18, 1989: US04849399 (46 worldwide citation)

This invention relates to a catalytic composite and a process for reducing the ignition temperature of diesel soot. The process comprises contacting an exhaust gas from a diesel engine, which exhaust contains diesel soot, with a catalytic composite. The composite comprises a sulfur resistant refract ...