1
Donald M Fenton: Recarbonation of spent oil shale. Union Oil Company of California, Lannas S Henderson, Richard C Hartman, Dean Sandford, April 5, 1977: US04016239 (228 worldwide citation)

Spent oil shale from retorting operations, containing water-soluble alkaline oxides such as calcium oxide is subjected to a recarbonation process in order to reduce its alkalinity and thereby prevent ecological damage to plant and aquatic animal life which could result from alkaline leachings derive ...


2
George P Maly: Method of acidizing wells. Union Oil Company of California, Richard C Hartman, Dean Sandford, Gerald L Floyd, December 21, 1976: US03998272 (80 worldwide citation)

A process using discrete solid particles of polyvinyl acetate as diverting agents in acid treating subterranean geological formations penetrated by a well.


3
Burton B Sandiford, Robert K Knight: Plugging of water-producing zones in a subterranean formation. Union Oil Company of California, Richard C Hartman, Dean Sandford, Gerald L Floyd, June 28, 1977: US04031958 (78 worldwide citation)

A method of selectively plugging permeable water-producing zones in a subterranean formation of nonuniform permeability comprising sequentially injecting into the formation (1) an aqueous solution of a first reactant material rendered more viscous than the subsequently injected liquids by the additi ...


4
Carlyle G Wight: Manufacture of ethylbenzene. Union Oil Company of California, Richard C Hartman, Dean Sandford, Cleveland R Williams, September 25, 1979: US04169111 (61 worldwide citation)

Benzene is alkylated with ethylene in the presence of a crystalline zeolite catalyst to produce ethylbenzene and polyethylbenzenes. At least a portion of the diethylbenzene fraction is recycled to the alkylation zone while the remainder thereof plus the higher polyethylbenzenes are subjected to tran ...


5
Burton B Sandiford: Plugging high permeability zones of reservoirs having heterogeneous permeability. Union Oil Company of California, Richard C Hartman, Dean Sandford, Gerald L Floyd, January 24, 1978: US04069869 (55 worldwide citation)

A method of forming a mixed plug in the more permeable zones of a subterranean reservoir of nonuniform permeability in which there is injected into the reservoir aqueous solutions of: a polymer, a material that reacts with the polymer to form a time-delayed polymer-containing plug, an alkali metal s ...


6
Horst E Zilch, Paul W Fischer: Inhibition of scale deposition in high temperature wells. Union Oil Company of California, Richard C Hartman, Dean Sandford, Gerald L Floyd, June 28, 1977: US04032460 (54 worldwide citation)

A method of inhibiting the formation of scale from aqueous solutions containing scale-forming ions at temperatures of up to 400.degree. F. and above during production and utilization of such aqueous solutions comprising adding to the solutions certain amines, amides, thioamides, carboxylic acids or ...


7
Donald M Fenton: Ethylene-carbon monoxide copolymers. Union Oil Company of California, Richard C Hartman, Dean Sandford, Michael H Laird, February 28, 1978: US04076911 (53 worldwide citation)

Thermoplastic, soluble ethylene-carbon monoxide copolymers are produced using a Pd(CN).sub.2 catalyst in the presence of an alkanoic acid substituted by a halide group on an alpha carbon. The polymers are useful for forming films and fibers and can be incorporated in the thermoplastic, coating or ad ...


8
Burton B Sandiford: Selectively controlling the flow of fluids through subterranean formations. Union Oil Company of California, Richard C Hartman, Dean Sandford, Gerald L Floyd, March 1, 1977: US04009755 (49 worldwide citation)

A method of forming a combination plug in the more permeable zones of a subterranean formation of nonuniform permeability in which there is injected into the formation (1) aqueous solutions of a polymer and a material that reacts with the polymer to form a polymer-containing plug and (2) thereafter ...


9
Dean Arthur Young 4721 Palm Ave: Treatment of aluminosilicate. Milton W Lee, Richard C Hartman, Lannas S Henderson, Dean Sanford, Robert E Strauss, Michael H Laird, September 12, 1972: US3691099 (45 worldwide citation)

The properties of aluminum-containing refractory oxides in which at least some of the aluminum atoms are tetra-coordinated are improved and/or retained upon contacting with aqueous acidic media in the presence of slats having cations capable of satisfying the negative charge on the tetra-coordinated ...


10
Rowland C Hansford: Thermally stable coprecipitated catalysts useful for methanation and other reactions. Union Oil Company of California, Lannas S Henderson, Richard C Hartman, Dean Sandford, October 26, 1976: US03988263 (41 worldwide citation)

Catalysts having a high degree of thermal stability, comprising alumina and one or more of the metals iron, cobalt, nickel, copper and zinc, are prepared from aqueous solutions containing a dissolved aluminum salt, a salt of at least one of the aforesaid metals in divalent form, and a delayed precip ...