61
Antonio Gutierrez, Robert D Lundberg: Novel polymer substituted amino phenol mannich base amido-amine dispersant additives (PT-742). Exxon Chemical Patents, J B Murray Jr, August 27, 1991: US05043084 (10 worldwide citation)

The present invention is directed to oil-soluble lubricating oil additives comprising Mannich Base condensates of (A) a polymer substituted mono- or dicarboxylic acid material, (B) an optionally alkyl-substituted N-hydroxyaryl compound, (C) an aldehyde, and (D) an amido-amine or thioamido-amine wher ...


62
Antonio Gutierrez, Robert A Kleist, Won R Song, Albert Rossi, Howard W Turner, Howard C Welborn deceased, Robert D Lundberg: Ethylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives. Exxon Chemical Patents, J B Murray Jr, K R Walton, July 25, 1995: US05435926 (9 worldwide citation)

The present invention is directed to an oil-soluble fuel and lubricating oil additive comprising at least one terminally unsaturated ethylene alpha-olefin polymer of 300 to 20,000 number average molecular weight substituted with mono- or dicarboxylic acid producing moieties (preferably dicarboxylic ...


63
Jacob Emert, Robert D Lundberg: Dispersant additives prepared from monoepoxy alcohols. Exxon Chemical Patents, J B Murray Jr, September 4, 1990: US04954572 (9 worldwide citation)

The present invention is directed to an oil-soluble lubricating oil additive comprising at least one adduct of (A) a polyolefin of 700 to 5,000 number average molecular weight substituted with carboxylic acid producing moieties (preferably acid or anhydride moieties), and (B) a monoepoxy alcohol.


64
Antonio Gutierrez, Robert D Lundberg: Branched amido-amine dispersant additives. Exxon Chemical Patents, J B Murray Jr, R A Maggio, July 20, 1993: US05229020 (9 worldwide citation)

The present invention is directed to branched amido-amine dispersant additives useful in oleaginous compositions formed by (a) reacting a first nitrogen-containing compound (e.g., ammonia or an organic amine) with an alpha, beta-unsaturated compound of the formula: ##STR1## wherein W.sup.1 is sulfur ...


65
Cyrus A Irani, Charles Cozewith, Stephen S Kasegrande: Method for high temperature phase separation of solutions containing polymers. Exxon Research & Engineering Company, J B Murray Jr, W G Muller, August 15, 1989: US04857633 (9 worldwide citation)

A process is disclosed for recovering polymer from a solution of the polymer in a solvent by high temperature phase separation in which low molecular weight hydrocarbon is added to the solution, the solution and the added hydrocarbon are subjected to a temperature and pressure so that one liquid pha ...


66
Stanley J Brois, Jack Ryer, Frank Femino, Harold E Deen, Antonio Gutierrez: Hydrogenated lecithin for friction and flow properties. Exxon Chemical Patents, R A Maggio, J B Murray Jr, August 4, 1992: US05135669 (9 worldwide citation)

The present invention provides substantially saturated, e.g., hydrogenated, phospholipid compounds, such as hydrogenated lecithin, which are useful as friction modifying agents for oleaginous compositions such as fuels, and lubricating oils, particularly automatic transmission fluids. The present in ...


67
Robert Robson: Lubricating compositions. Exxon Research & Engineering Co, F T Johmann, J B Murray Jr, M B Kapustij, January 31, 1989: US04801390 (9 worldwide citation)

Lubricating compositions particularly for crankcase lubrication of gasoline and diesel engines in automobiles and trucks have improved viscometric properties by the incorporation of an ashless dispersant and a dispersant viscosity improver with increased boron content of at least 0.02 wt. % of the c ...


68
Won R Song, Albert Rossi, Howard W Turner, Howard C Welborn, Robert D Lundberg, Antonio Gutierrez, Robert A Kleist: Borated ethylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives. Exxon Chemical Patents, J B Murray Jr, K R Walton, September 27, 1994: US05350532 (8 worldwide citation)

The present invention is directed to an oil-soluble fuel and lubricating oil additive comprising at least one terminally unsaturated ethylene alpha-olefin polymer of 300 to 20,000 number average molecular weight substituted with mono- or dicarboxylic acid producing moieties (preferably dicarboxylic ...


69
Abhimanyu O Patil, Sudhin Datta, Robert D Lundberg: Heterocyclic nitrogen compound Mannich base derivatives of amino-substituted polymers for oleaginous compositions. Exxon Chemical Patents, J B Murray Jr, K R Walton, December 21, 1993: US05271856 (8 worldwide citation)

The novel polymers of the present invention are prepared by reacting a heterocyclic nitrogen compound containing at least one --N(H)-- group in the ring, an aldehyde and amino-substituted polymer (e.g., an ethylene alpha-olefin interpolymer substituted by primary amino or secondary amino groups) to ...


70
Terence Colclough: Sulphur-containing borate esters. Exxon Chemical Patents, J B Murray Jr, August 22, 1989: US04859353 (8 worldwide citation)

Sulphur-containing borate esters for use in lubricants appropriate to modern oil requirements with reduced or zero amounts of phosphorous and without the need for large amounts and/or expensive forms of antioxidant and additional anti-wear additives are of the formula: ##STR1## wherein each R is a h ...