1
Paul R Kraus, Robert D McClain, Michael K Poindexter: Method to monitor and control chemical treatment of petroleum, petrochemical and processes with on-line quartz crystal microbalance sensors. Nalco Exxon Energy Chemicals, Robert A Miller, Kelly L Cummings, March 31, 1998: US05734098 (79 worldwide citation)

Thickness-shear mode resonators which simultaneously measure mass deposition and fluid properties can be utilized to monitor petroleum processing, petrochemical and water treatment systems. Specialty chemical additive materials can be accurately and instantaneously added to control conditions detect ...


2
Seetharamaiah Mannava, William D Cowie, P Kennard Wright III, Robert D McClain: Method of monitoring and controlling laser shock peening using an in plane deflection test coupon. General Electric Company, Andrew C Hess, Nathan D Herkamp, September 14, 1999: US05951790 (14 worldwide citation)

A method for quality assurance of a laser process and more particularly a laser shock peening process that uses a test coupon having a deflection formed by a laser firing. The test coupon is from a metallic strip having opposite first and second sides that generally define a plane of the strip and t ...


3
Vincent E Lewis, Robert D McClain, Michael K Poindexter: Non-enolizable oxygenates as antifoulants. Nalco Exxon Energy Chemicals, Elaine M Ramesh, Thomas M Breininger, June 23, 1998: US05770041 (9 worldwide citation)

The invention is a method of inhibiting the formation of fouling deposits occurring on the surface of an alkaline scrubber used to remove acid gases, such as hydrogen sulfide, carbon dioxide and mercaptans, from hydrocarbon streams. These deposits are formed during the scrubbing of pyrolytically pro ...


4
Robert D McClain: Spectrophotometric detection of hydroperoxides in hydrocarbons. Nalco Chemical Company, Robert A Miller, Joseph B Barrett, Daniel N Lundeen, November 8, 1994: US05362652 (7 worldwide citation)

A method for the determination of organic hydroperoxides in a hydrocarbon which has been subjected to oxidative polymerization conditions is disclosed. The steps employed in the invention include mixing an organic cupric salt such as cupric acetate and a phenanthroline such as 2,9-dimethyl-1,10-phen ...


5
Robert D McClain, Natu R Patel, Raymond M Glath: Reducing undesired polymerization in the basic wash unit of hydrocarbon cracking process. Nalco Exxon Energy Chemicals, Margaret M Brumm, Thomas M Breininger, April 16, 2002: US06372121 (7 worldwide citation)

This invention is a method to inhibit the polymerization of carbonyl compounds in a basic wash unit operation in a hydrocarbon cracking process, wherein a compound selected from the group consisting of alpha-amino acids and esters thereof and amides thereof and salts thereof and mixtures thereof or ...


6
Seetharamaiah Mannava, William D Cowie, P Kennard Wright III, Robert D McClain: In plane deflection coupon for monitoring and controlling of laser shock peening. General Electric Company, Andrew C Hess, Gerry S Gressel, February 6, 2001: US06183882 (6 worldwide citation)

A test coupon is formed from a metallic strip having opposite first and second sides that generally define a plane of the strip and the strip includes a laser shock peened patch of the strip that has first and second laser shock peened surfaces on the first and second sides, respectively, first and ...


7
Robert D McClain: Polymerization inhibition by fullerenes. Nalco Chemical Company, Bush Moseley & Riddle, April 12, 1994: US05302681 (5 worldwide citation)

The premature free-radical polymerization of a non-linear, readily polymerizable organic monomer under conditions where the monomer would otherwise polymerize is inhibited by incorporating within the non-linear, readily polymerizable monomer a polymerization inhibiting amount of a fullerene or a der ...


8
Vincent E Lewis, David J Ciarella, David G Comer, Robert D McClain: Apparatus for monitoring fouling in an ethylene plant oil quench tower. Nalco Chemical Company, Robert A Miller, Joseph B Barrett, December 15, 1992: US05170661 (4 worldwide citation)

Generally, the invention provides a fouling probe apparatus. The fouling probe including a heat transfer conduit having a first portion formed as a loop which is removably attached to a second portion which extends linearly. A hollow housing encases the apparatus. The housing has an open forward por ...


9
Steven P Newman, Carl Hahn, Robert D McClain: Environmentally friendly demulsifiers for crude oil emulsions. Nalco Company, Edward O Yonter, Michael B Martin, July 28, 2009: US07566744 (3 worldwide citation)

The present invention provides environmentally friendly demulsifiers for the break down of petroleum oil applications. The demulsification formulations of the present invention are biodegradable and are low in toxicity. The demulsifiers include a poly(tetramethylene glycol) and an alkylene glycol co ...


10
Vincent E Lewis, Robert D McClain, Michael K Poindexter: Non-enolizable oxygenates as anti foulants in ethylene dichloride manufacture. Nalco Exxon Energy Chemicals, Elaine M Ramesh, Thomas M Breininger, March 9, 1999: US05879534 (1 worldwide citation)

A method of inhibiting the formation of fouling deposits occurring in spent caustic wash systems used for ethylene dichloride (EDC) manufacturing processes. Fouling occurs in these systems when they are in contact with EDC processing streams contaminated with oxygen-containing compounds, such as ald ...