21
Edward N Kresge, Gary W Ver Strate: Ethylene polymer useful as a lubricating oil viscosity modifier E-25. Exxon Research & Engineering Co, S H Markowitz, J B Murray Jr, May 19, 1987: US04666619 (27 worldwide citation)

An ethylene ter- or tetrapolymer useful as a viscosity modifer and a process for preparing the polymer. The polymer comprises ethylene, an alpha-olefin, a non-conjugated diene and, optionally, a cationically polymerizable monoolefin. The polymerization catalyst comprises a Ziegler catalyst in conjun ...


22
William D Diana, Chuen Y Yeh: Process for recovery of alcohols from sulfuric acid streams. Exxon Research & Engineering Co, J B Murray Jr, D E Furman, August 2, 1988: US04761505 (26 worldwide citation)

According to the process of the present invention, carboxylic acids are recovered from aqueous strong acid mixtures thereof which mixtures are formed as an alcohol-depleted phase by the extraction of alcohols from aqueous strong acid solution with carboxylic acids, by contacting the mixtures with a ...


23
Glen P Fetterman Jr, Alan A Schetelich: Low ash lubricant compositions for internal combustion engines. Exxon Chemical Patents, J B Murray Jr, M M Allen, June 14, 1994: US05320765 (25 worldwide citation)

In accordance with the present invention, there are provided low sulfated ash lubricating oil compositions which comprise an oil of lubricating viscosity as the major component and as the minor component (A) at least about 2 wt % of at least one ashless nitrogen- or ester-containing dispersant, (B) ...


24
Jacob Emert, Malcolm Waddoups, Robert D Lundberg: Dispersant additives mixtures for oleaginous compositions. Exxon Chemical Patents, J B Murray Jr, September 5, 1989: US04863624 (25 worldwide citation)

Novel dispersant mixtures are provided, having improved lubricating oil performance characteristics, comprising nitrogen or ester containing dispersants selected from the group consisting of oil soluble salts, amides, imides, oxazoline and esters or mixtures thereof, wherein a first dispersant compr ...


25
Charles Cozewith, Shiaw Ju, Gary W Verstrate: Nodular copolymers comprising narrow MWD alpha-olefin copolymers coupled by non-conjugated dienes. Exxon Research & Engineering Co, S H Markowitz, J B Murray Jr, December 29, 1987: US04716207 (24 worldwide citation)

A method of preparing a nodular polymer by preparing a copolymer chain and coupling it to a coupling agent. The coupling agent is a non-conjugated diene. Preferably the non-conjugated diene has both double bonds Ziegler catalyst polymerizable. The preferred product comprises a norbornadiene coupled ...


26
Antonio Gutierrez, Robert D Lundberg, Robert A Kleist, Ricardo Bloch: Polyolefinic succinimide polyamine alkyl acetoacetate adducts as dispersants in lubricating oil compositions. Exxon Chemical Patents, E T Wheelock, J B Murray Jr, June 13, 1989: US04839071 (22 worldwide citation)

This invention is to a lubricating or fuel oil composition containing polyolefinic succinimide polyamine alkyl acetoacetate adducts of the general formula: ##STR1## wherein Z.sup.1 and Z.sup.3 are moities of the formula: ##STR2## Z.sup.2 is a moiety of the formula: ##STR3## wherein R.sup.2, R.sup.3 ...


27
Harold E Bachman, Ralph S Totman: Dry ammonium nitrate blasting agents. Exxon Chemical Patents, J B Murray Jr, April 12, 1988: US04736683 (22 worldwide citation)

The invention relates generally to explosives, and more particularly to dry ammonium nitrate-fuel oil based explosives, containing a high molecular weight polymer characterized by a high stringiness factor.


28
Jean A A Hanin: Hydroformylation catalyst removal. Exxon Research & Engineering Co, J B Murray Jr, November 25, 1986: US04625067 (22 worldwide citation)

Cobalt values are removed from the crude product of a cobalt-catalyzed hydroformylation reaction by contacting the product with stripping gas to entrain volatile cobalt compounds, in the presence of water or aqueous acid to dissolve cobalt values not so entrained.


29
Antonio Gutierrez, Robert A Kleist: Polyolefinic succinimide polyamine alkyl acetoacetate adducts. Exxon Chemical Patents, E T Wheelock, J B Murray Jr, June 13, 1989: US04839072 (21 worldwide citation)

This invention is to polyolefinic succinimide polyamine alkyl acetoacetate of the general formula: ##STR1## wherein Z.sup.1 and Z.sup.3 are the same or different and are moieties of the formula: ##STR2## Z.sup.2 is a moiety of the formula: ##STR3## wherein R.sup.2, R.sup.3 and R.sup.4 are the same o ...


30
Herve M Cheradame, Robert D Lundberg, Frank J Chen, Jean de la Crois Habimana: Terminally-substituted polymeric compositions from cationically polymerizable monomers and initiators. Exxon Chemical Patents, J B Murray Jr, J F Hunt, K R Walton, August 9, 1994: US05336745 (21 worldwide citation)

A method is provided for the direct synthesis of novel polymeric materials functionalized with desirable nitrogen-containing functional groups such as terminal azido, cyano, carbonylamino or thiocarbonylamino groups. Polymerization and functionalization occur in a substantially simultaneous manner. ...