Lubrizol

For example, olefin sulfuri2ation products (Lubrizol, 1980), dithiophosphomolybdates (Mobil, 1980), or more simply the dithiophosphates of alcohol (Shell, 1980) whose anti-oxidant properties have been announced, are used in oil formulations for their anti-wear properties. 

Amide-Based Sulfonic Acids. The most important amide-based sulfonic acids are the alkenylarnidoalkanesulfoiiic acids. These materials have been extensively described ia the Hterature. A variety of examples are given ia Table 5. Acrylarnidoalkanesulfoiiic acids are typically prepared usiag technology originally disclosed by Lubrizol Corporation ia 1970 (80). The chemistry iavolves an initial reaction of an olefin, which contains at least one aHyhc proton, with an acyl hydrogen sulfate source, to produce a sulfonated intermediate. This intermediate subsequendy reacts with water, acrylonitrile, and sulfuric acid. 

Sulfonic acid salts have found widespread use in the area of corrosion inhibition. Lubrizol Corporation produces a wide variety of sulfonic acids, particularly in the form of magnesium salts, for use in lubricant formulations, anticorrosion coatings, greases, and resins (146,147). Petroleum sulfonates are used in epoxy resin elastomers to improve anticorrosion properties of coatings and sealants (qv) (148,149). 

Materials. Monomers used in the preparation of the copolymers were as follows acrylamide as a 50% solution in water, stablized with cupric ion, supplied by American Cyanamid Company acrylic acid supplied by BASF and AMPS, 2-acrylamido-2-methylpropanesulfonic acid, (recrystallized grade) obtained from Lubrizol. The sodium salts of acrylic acid and AMPS were prepared by gradual neutralization of the monomers with sodium hydroxide solution, maintaining a temperature of 0 to 5°C, to give a final concentration of 50%. 

His many scientific contributions and their industrial applications were recognized by the awards and honors he received. They include the American Chemical Society Kendall Award in Colloid and Surface Chemistry in 1973, the American Chemical Society Lubrizol Award in Petroleum Chemistry in 1983, and the Alexander von Humboldt Senior Scientist Award. The Robert L. Burwell Lectureship Award of the North American Catalysis Society was established in recognition of his outstanding contributions to catalysis. Professor Burwell was also known for the first short course in heterogeneous catalysis, which he taught for several years with Michel Boudart. 

Materials, Oomstarch was Glebe 3005 ftan CPC International, Inc. Acaylonitrile (99+%) was from Aldrich Chemical Odqpany, Inc., and AASOsH was Lubrizol 2404 traa the LJbrizaL Corporation. Both monomers were iised as received. Ceric anmonium nitrate was Fisher Certified A.C.S. Grade. 

C.F. Stachew, G.D. Lamb, W.D. Abraham, and M.G. Raguz, Modified polyisobutylene succinimide dispersants having improved seal, sludge, and deposit performance, US Patent 6 770 605, assigned to The Lubrizol Corporation (Wickliffe, OH), August 3, 2004. 

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