1
Norman A Meinhardt, Kirk E Davis: Novel carboxylic acid acylating agents, derivatives thereof, concentrate and lubricant compositions containing the same, and processes for their preparation. The Lubrizol Corporation, Daniel N Hall, William H Pittman, Raymond F Keller, November 18, 1980: US04234435 (654 worldwide citation)

Carboxylic acid acylating agents are derived from polyalkenes such as polybutenes, and a dibasic, carboxylic reactant such as maleic or fumaric acid or certain derivatives thereof. These acylating agents are characterized in that the polyalkenes from which they are derived have a Mn value of about 1 ...


2
Roy M Freeman, William L Hergenrother, Frederick J Ravagnani: High modulus low hysteresis rubber compound for pneumatic tires. Bridgestone Corporation, Daniel N Hall, February 27, 1996: US05494091 (104 worldwide citation)

A sulfur-vulcanizable rubber compound, being devoid of peroxide components, having high modulus and low hysteresis properties subsequent to vulcanization. Such compounds comprise from about 25 to 55 parts by weight of polyisoprene; and from about 75 to 45 parts by weight of a diene polymer selected ...


3
David F Lawson, Koichi Morita, Yoichi Ozawa, Mark L Stayer Jr, Ryota Fujio: Soluble anionic polymerization initiators and preparation thereof. Bridgestone Corporation, Daniel N Hall, July 12, 1994: US05329005 (77 worldwide citation)

The present invention is directed toward anionic polymerization initiators which are soluble in hydrocarbon solvents. The initiators include a lithio amine having the general formula ALi. The component A is a dialkyl or dicycloalkyl amine radical or a cyclic amine. The invention is also directed tow ...


4
John Francis Pindar, Jerome Martin Cohen, Charles Peterson Bryant: Dispersants and process for their preparation. The Lubrizol Corporation, James W Adams Jr, Daniel N Hall, September 14, 1976: US03980569 (77 worldwide citation)

Compositions useful as lubricant and fuel dispersants are prepared by reacting a hydroxyaromatic compound containing an aliphatic or alicyclic substituent which has at least about 6 carbon atoms with an aldehyde in the presence of an alkaline reagent and at a temperature up to about 125.degree.C., s ...


5
David F Lawson, Mark L Stayer Jr, H James Harwood: Solubilized anionic polymerization initiator and preparation thereof. Bridgestone Corporation, Daniel N Hall, July 26, 1994: US05332810 (76 worldwide citation)

The present invention is directed toward anionic polymerization initiators which are soluble in acyclic alkane solvents. The initiators include a solubilized lithio amine having the general formula (A)Li(SOL).sub.y. SOL is a solubilizing component and A is an alkyl, dialkyl or cycloalkyl amine radic ...


6
Thomas A Antkowiak, James E Hall, David F Lawson, John R Schreffler, Mark L Stayer Jr: Tertiary-amino allyl-or xylyl-lithium initiators and method of preparing same. Bridgestone Corporation, Daniel N Hall, May 28, 1996: US05521309 (74 worldwide citation)

An anionic polymerization initiator includes the C-lithio reaction product of an organolithium compound and a tertiary-amino allyllithium or a tertiary-amino xylyllithium. When used in an anionic polymerization, a functional group from the initiator is incorporated onto the head of the growing polym ...


7
Jerry Lee Musser, Frederick William Koch: Lubricating compositions and methods utilizing hydroxy thioethers. The Lubrizol Corporation, James W Adams Jr, Edmund C Ross Jr, Daniel N Hall, June 21, 1977: US04031023 (72 worldwide citation)

Lubricating compositions comprising a major amount of a lubricating oil and a minor amount of at least one additive of the formula: ##STR1## WHEREIN R is a hydrocarbon-based group of up to about 30 carbon atoms and having a valence of m + q; each R' is independently selected from hydrogen and a hydr ...


8
David F Lawson, Thomas A Antkowiak, James E Hall, Mark L Stayer Jr, John R Schreffler: Alkyllithium compounds containing cyclic amines and their use in polymerization. Bridgestone Corporation, Daniel N Hall, March 5, 1996: US05496940 (60 worldwide citation)

An organolithium compound according to the present invention containing a cyclic amino group, has the general formula: ##STR1## wherein R.sub.1 is a divalent alkylene, an oxy- or amino-alkylene, or substituted alkylene having from 6 to about 20 carbon atoms; R.sub.2 is a linear-, branched-, or cyclo ...


9
Takashi Kitamura, David F Lawson, Koichi Morita, Yoichi Ozawa: Anionic polymerization initiators and reduced hysteresis products therefom. Bridgestone Corporation, Daniel N Hall, February 28, 1995: US05393721 (59 worldwide citation)

The present invention is directed toward artionic polymerization employing lithio amines mixed with an organic alkali metal compound and optionally, a chelating reagent. The lithio amines have the general formula (A)Li(SOL)y, where SOL is a solubilizing component, A is an alkyl, dialkyl, cycloalkyl ...


10
William L Hergenrother, Tristram W Bethea, John M Doshak: Tin containing elastomers and products having reduced hysteresis properties. Bridgestone Firestone, Daniel N Hall, December 7, 1993: US05268439 (55 worldwide citation)

An anionic polymerization initiator comprising the reaction product of a an organatin halide and lithium in a suitable solvent. Elastomeric polymers prepared with these initiators have tin containing functional groups on substantially every polymer chain and provide vulcanizable rubber compounds exh ...