1
Chakka Sudhakar, Mark T Caspary, Stephen J DeCanio: Process for upgrading a hydrocarbon oil. Texaco, Henry H Dilworth & Barrese Gibson, July 27, 1999: US05928501 (55 worldwide citation)

A process for treating a hydrocarbon oil feed to reduce total acid number (TAN) and increase API gravity employs a catalyst which includes one or more metals of non-noble Group VIII of the periodic table (e.g., iron, cobalt and nickel), and at least one metal selected from Group VIB (e.g., chromium, ...


2
Yajnanarayana H R Jois, John Reale Jr: Supported gas separation membrane, process for its manufacture and use of the membrane in the separation of gases. Texaco, Henry H Dilworth & Barrese Gibson, July 27, 1999: US05928410 (24 worldwide citation)

A supported gas separation membrane for separating a particular component from a mixture of gases, a process for its manufacture and the use of the membrane in the separation of gases are provided in which the supported gas separation membrane comprises (a) a porous polymeric support layer and (b) a ...


3
Regis J Pellet, Leonard S Bartley Jr, Paul M V Van de Ven: Test kit for measuring the level of carboxylate anion in engine coolant. Texaco, Henry H Dilworth & Barrese Gibson, September 14, 1999: US05952233 (6 worldwide citation)

A colorimetric method is provided for determining the presence or absence of a corrosion-inhibitory level of carboxylate anion in used aqueous engine coolant.


4
Joseph M Russo, Thomas F DeRosa, Benjamin J Kaufman: Polyoxyalkylene urethane and fuel composition containing same. Texaco, Henry H Dilworth & Barrese Gibson, December 14, 1999: US06001142

A hydrocarbyl polyoxyalkylene urethane of the general formula ##STR1## wherein R.sup.1 is an alkyl, an alicyclic or an alkylalicyclic radical having from about 4 to about 30 carbon atoms or an alkylaryl where the alkyl group is from about 4 to about 30 carbon atoms; x is an integer from 0 to about 5 ...