Lubricant Additives

Dispersants 167

26. Oliver, C.R., R.M. Reuter, J.C. Sendra. Fuel effi cient gasoline-engine oils. Lubrication 67:1–12, 1981.


27. Stone, R. Introduction to Internal Combustion Engines, Society of Automotive Engineers, 1993.


28. Rizvi. S.Q.A. Additives and additive chemistry. ASTM Manual on Fuels and Lubricants, to be published
    in 2003.


29. Stuart, F.A., R.G. Anderson, A.Y. Drummond. Lubricating-oil compositions containing alkenyl
    succinimides of tetraethylene pentamine. U.S. Patent 3,361,673 (January 2, 1968).


30. Cooper, A.R. Molecular weight determination. In J.I. Kroschwitz, ed. Concise Encyclopedia of Polymer
    Science and Engineering. New York: Wiley Interscience, 1990, pp. 638–639.


31. Ravve, A. Molecular weights of polymers. In Organic Chemistry of Macromolecules. New York: Marcel
    Dekker, 1967, pp. 39–54.


32. Deanin, R.D. Polymer Structure, Properties, and Applications. New York: Cahner Books, 1972, p. 53.


33. Randall, J.C. Microstructure. In J.I. Kroschwitz, ed. Concise Encyclopedia of Polymer Science and
    Engineering. New York: Wiley Interscience, 1990, p. 625.


34. Fotheringham, J.D. Polybutenes. In L.R. Rudnick, R.L. Shubkin, eds. Synthetic Lubricants and High-
    Performance Functional Fluids, 2nd edition, New York: Marcel Dekker, 1999.


35. Randles, S.J. et al. Synthetic base fl uids. In R.M. Mortier, S.T. Orszulik, eds. Chemistry and Technology
    of Lubricants. New York: VCH Publishers, 1992, pp. 32–61.


36. Gutierrez, A., R.A. Kleist, W.R. Song, A. Rossi, H.W. Turner, H.C. Welborn, R.D. Lundberg. Ethylene
    alpha-olefi n polymer substituted mono- and dicarboxylic acid dispersant additives. U.S. Patent 5,435,926
    (July 25, 1995).


37. Gutierrez, A., W.R. Song, R.D. Lundberg, R.A. Kleist. Novel ethylene alpha-olefi n copolymer substituted
    mannich base lubricant dispersant additives. U.S. Patent 5,017,299 (May 21, 1991).


38. Stambaugh, R.L. Viscosity index improvers and thickeners. In R.M. Mortier, S.T. Orszulik, eds.
    Chemistry and Technology of Lubricants. New York: VCH Publishers, 1992.


39. Bryant, C.P., H.M. Gerdes. Nitrogen-containing esters and lubricants containing them. U.S. Patent
    4,604,221 (August 5, 1986).


40. Shanklin, J.R., Jr., N.C. Mathur. Lubricating oil additives. U.S. Patent 6,071,862 (June 6, 2000).


41. Morris, J.R., R. Roach. Lubricating oils containing metal derivatives. U.S. Patent 2,628,942 (February
    17, 1953).


42. Sparks, W.J., D.W. Young, Roselle, J.D. Garber. Modifi ed olefi n–diolefi n resin. U.S. Patent 2,634,256
    (April 7, 1953).


43. Le Suer, W.M., G.R. Norman. Reaction product of high molecular weight succinic acids and succinic
    anhydrides with an ethylene polyamine. U.S. Patent 3,172,893 (March 9, 1965).


44. Meinhardt, N.A., K.E. Davis. Novel carboxylic acid acylating agents, derivatives thereof, concen-
    trate and lubricant compositions containing the same, and processes for their preparation. U.S. Patent
    4,234,435 (November 18, 1980).


45. Rense, R.J. Lubricant. U.S. Patent 3,215,707 (November 2, 1965).


46. Weill, J., B. Sillion. Reaction of chlorinated polyisobutene with maleic anhydride: Mechanism of
    catalysis by dichloromaleic anhydride. Revue de I’Institut Francais du Petrole 40(1): 77–89, 1985.


47. J. Weill. Ph. D. dissertation, 1982.


48. Weill, J., J. Garapon, B. Sillion. Process for manufacturing anhydrides of alkenyl dicarboxylic acids.
    U.S. Patent 4,433,157 (February 21, 1984).


49. Baumanis, C.K., M.M. Maynard, A.C. Clark, M.R. Sivik, C.P. Kovall, D.L. Westfall. Treatment of
    organic compounds to reduce chlorine level. U.S. Patent 5,708,097 (January 13, 1998).


50. Pudelski, J.K., M.R. Sivik, K.F. Wollenberg, R. Yodice, J. Rutter, J.G. Dietz. Low chlorine polyalkyl-
    ene substituted carboxylic acylating agent compositions and compounds derived thereform. U.S. Patent
    5,885,944 (March 23, 1999).


51. Pudelski, J.K., C.J. Kolp, J.G. Dietz, C.K. Baumanis, S.L. Bartley, J.D. Burrington. Low chlorine con-
    tent composition for use in lubricants and fuels. U.S. Patent 6,077,909 (June 20, 2000).


52. Wollenberg, K.F., J.K. Pudelski. Preparation, NMR characterization and lubricant additive applica-
    tion of novel polyisobutenyl phthalic anhydrides. Symposium on Recent Advances in the Chemistry of
    Lubricant Additives. Paper presented before the Division of Petroleum Chemistry, Inc., 218th National
    Meeting of the American Chemical Society, New Orleans, LA, August 22–26, 1999.


53. Harrison, J.J., R. Ruhe, Jr., R. William. One-step process for the preparation of alkenyl succinic
    anhydride. U.S. Patent 5,319,030 (June 7, 1994).


54. Harrison, J.J., R. Ruhe, Jr., R. William. Two-step thermal process for the preparation of alkenylsuccinic
    anhydride. U.S. Patent 5,625,004 (April 29, 1997).