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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Gormley; William T.
Address:
Pittsburgh, PA
No. of patents:
7
Patents:












Patent Number Title Of Patent Date Issued
4385194 Method for promoting aluminum chloride catalyzed isomerization of _sym-octahydrophenanthrene to May 24, 1983
A method is disclosed for promoting isomerization of sym-octahydrophenanthrene (s-OHP) to sym-octahydroanthracene (s-OHA) in the presence of a catalyst provided by aluminum chloride or aluminum bromide, or a mixture of these two compounds. The rate of isomerization is increased by ha
4384156 Method for promoting aluminum chloride catalyzed isomerization of sym-octahydrophenanthrene to s May 17, 1983
A method is disclosed for promoting isomerization of sym-octahydrophenanthrene (s-OHP) to sym-octahydroanthracene (s-OHA) in the presence of a catalyst provided by aluminum chloride or aluminum bromide, or a mixture of these two compounds. The rate of isomerization is increased by ha
4376224 Aluminum chloride catalyzed isomerization of sym-octahydrophenanthrene to sym-octahydroanthracen March 8, 1983
A method is disclosed for promoting isomerization of sym-octahydrophenanthrene (s-OHP) to sym-octahydroanthracene (s-OHA) in the presence of a catalyst provided by aluminum chloride or aluminum bromide, or a mixture of these two compounds. The rate of isomerization is increased by ha
4376223 Method for promoting aluminum chloride catalyzed isomerization of sym octahydrophenanthrene to s March 8, 1983
A method is disclosed for promoting isomerization of sym-octahydrophenanthrene (s-OHP) to sym-octahydroanthracene (s-OHA) in the presence of a catalyst provided by aluminum chloride or aluminum bromide, or a mixture of these two compounds. The rate of isomerization is increased by ha
4367360 Method for product isolation and catalyst recovery in aluminum chloride catalyzed isomerization January 4, 1983
A method is disclosed for extracting sym-octahydroanthracene (s-OHA) from a product isomer mixture formed by the aluminum chloride catalyzed isomerization of sym-octahydrophenanthrene (s-OHP). Isolation of the s-OHA product isomer is accomplished by contacting the reaction product mixtur
4090986 Thermoset epoxy foam compositions and a method of preparing the same May 23, 1978
Thermoset epoxy foams are produced from an epoxy resin, delta-1-tetrahydrophthalic anhydride, and an amine accelerator. These compounds are mixed in resin-foaming amounts to produce a foamable mixture to which typical foam additives like auxiliary blowing agents, surfactants, microsc
3996249 Isomerization process December 7, 1976
The delta-4 isomer of tetrahydrophthalic anhydride is isomerized in the presence of a catalytic amount of palladium and selected acid anhydrides that liquify the normally solid delta-4 isomer at a temperature below its melting point. This permits the isomerization to be effected at relat










 
 
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