1
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 ...


2
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 ...


3
Timothy J Barder, Philip D DuBois: Process for forming highly uniform silica spheres. Allied Signal, Harold N Wells, Gerhard H Fuchs, Gerard P Rooney, January 8, 1991: US04983369 (42 worldwide citation)

A process for producing highly uniform microspheres of silica having an average diameter of 0.1-10 .mu.m from the hydrolysis of a silica precursor, such as tetraalkoxysilanes, which is characterized by employing precursor solutions and feed rates which initially yield a two-phase reaction mixture.


4
Wim J M Pieters, William E Gates, Emery J Carlson, John E Wilkalis: Catalyst and process for the production of chlorofluorinated hydrocarbons. Allied Chemical Corporation, Alan M Doernberg, Jay P Friedenson, Gerard P Rooney, March 25, 1980: US04194990 (38 worldwide citation)

Catalyst and process for the production of chlorofluorinated hydrocarbons are disclosed by reacting a hydrocarbon with HCl, HF and an oxygen-containing gas under oxychlorofluorination conditions in the presence of a catalytic composition comprising magnesium and copper ions each in combination with ...


5
Stephen F Yates: Process for purifying 1,1,1,2-tetrafluoroethane. Allied Signal, Harold N Wells, Jay P Friedenson, Gerard P Rooney, March 6, 1990: US04906796 (38 worldwide citation)

R-1122 (2-chloro-1,1-difluoro-ethylene) can be substantially removed from a stream of R-134a over a zeolite or carbon molecular sieve having a mean pore size of about 3.8 to 4.8 Angstroms. Preferred are 5A synthetic zeolites or calcium chabazite.


6
John G Nunan: Preparation of three-way catalysts with highly dispersed ceria. Allied Signal, Harold N Wells, Roger H Criss, Gerard P Rooney, November 12, 1991: US05064803 (34 worldwide citation)

Improved three-way catalysts for use in converting the exhaust gases from internal combustion engines include ceria supported by an alumina or other metal oxide and the ceria in the freshly prepared catalysts is in the form of crystallites having a size less than 50 .ANG. as measured by X-ray diffra ...


7
Bruce E Kurtz, Edmund W Smalley, Walter E Sommerman, John R Van Atta: Production of vinyl chloride from ethane. Allied Chemical Corporation, Gerard P Rooney, Gerhard H Fuchs, Jack B Murray Jr, October 19, 1976: US03987119 (33 worldwide citation)

A process is disclosed for the production of ethylene dichloride from ethane. Ethane is introduced into an autothermic (self-sustaining) cracking zone together with controlled proportions of chlorine and oxygen. The autothermic cracking zone is maintained at a temperature above about 700.degree. C. ...


8
Stephen F Yates, Mary L Good, Inara M Brubaker: Polysiloxane bound photosensitizer for producing singlet oxygen. Allied Signal, Frank S Molinaro, Harold N Wells, Gerard P Rooney, May 1, 1990: US04921589 (29 worldwide citation)

This invention relates to a photosensitizer which is bound to a polysiloxane polymer, a method of preparing the bound photosensitizer and a process for using the bound photosensitizer. The photosensitizers which may be used in the invention include rose bengal, rhodamine B, acridine orange, methylen ...


9
Roger Y Leung, Stephen T Gonczy: Process for preparing black glass using cyclosiloxane precursors. Allied Signal, Harold N Wells, Gerhard H Fuchs, Gerard P Rooney, July 27, 1993: US05231059 (23 worldwide citation)

A process for preparing an oxidation resistant black glass having the empirical formula SiC.sub.x O.sub.y, wherein 0


10
Gerald T Stranford, Roger Y Leung, Stephen T Gonczy: Reinforced silicon carboxide composite with boron nitride coated ceramic fibers. Allied Signal, Harold N Wells, Gerhard H Fuchs, Gerard P Rooney, October 11, 1994: US05354602 (21 worldwide citation)

An improved fiber reinforced glass composite includes a boron nitride-coated refractory fiber in a matrix of a black glass ceramic having the empirical formula SiCxOy where x ranges from about 0.9 to 1.6 and y ranges from about 0.7 to 1.8. Preferably the black glass ceramic is derived from cyclosilo ...