1
King Laurence Frederick: Bitumen composition of improved temperature susceptibility. Exxon Research Engineering Co, June 4, 1969: GB1153980-A (8 worldwide citation)

1,153,980. Bituminous compositions. ESSO RESEARCH & ENG. CO. 18 March, 1968, No. 12920/68. Heading C3N. A bituminous composition comprises 25-40 wt per cent (a) a vacuum reduced aromatic hydrocarbon distillation residuum and 60-75 wt. per cent (b) oxidized solvent extract of a naphthenic base lubric ...


2
King Laurence Frederick, Steele Clellie Truman: Process for manufacture of heavy aromatic solvent. Exxon Research Engineering Co, July 30, 1969: GB1159843-A (4 worldwide citation)

1,159,843. Hydrogenating hydrocarbons. ESSO RESEARCH & ENG. CO. 26 May, 1967, No. 24593/67. Heading C5E. In a process for producing a heavy aromatic solvent a hydrocarbon oil is steam cracked and an aromatic tar is produced, said tar having a boiling point above 500 F., the said tar is heat soaked, ...


3
King Laurence Frederick: A process for producing a petroleum based pitch. Exxon Research Engineering Co, June 18, 1969: GB1155448-A (3 worldwide citation)

1,155,448. Carbon electrodes. ESSO RESEARCH & ENG. CO. 9 Oct., 1967, No. 46008/67. Heading C1A. [Also in Division C5] A pitch binder for carbon electrodes is made by a process (see Division C5) which comprises (a) heating, under partial reflux conditions, a petroleum hydrocarbon in the presence of a ...