Crompton Gmbh

Uniroyal Chemical Company, Inc.

Chemtura Corporation

Karl J Duyck

Theodore E Nalesnik

Cyril A Migdal

John R Baranski

Wadim Batorewicz

Timothy L Lambert

Rebecca F Seibert

Uyen Thanh Tran

Cyril Andrew Migdal

Rebecca Faith Seibert

Disclosed herein is a composition comprising: wherein:

Ketone diarylamine condensates

A composition of matter is disclosed wherein the composition comprises a hydrazide compound of the formula: wherein: Ris selected from the group consisting of alkyl, alkyl ether, and phenyl; R, R, R, R, and Rare independently selected from the group consisting of hydrogen, alkyl, alkyl ether, and aryl; and n is an integer of from 0 to 10; and wherein: when Ris phenyl, it is of the structure:  wherein R, R, and Rare independently selected from the group consisting of hydrogen, alkyl, alkyl ether, and aryl, or Rcan be combined with Rto form a ring of 5 or 6 carbon atoms. The hydrazides are useful as stabilizers for lubricants, greases, and polymeric systems, particularly lubricating oils, as are maleated polymers that have been functionalized with them.

Antioxidant hydrazides and derivatives thereof having multifunctional activity

Disclosed herein is a process for the preparation of alkylated diarylamines comprising adding to said diarylamine an olefin mixture containing highly reactive fractions, as well as fractions exhibiting a relatively lower chemical reactivity, in the presence of an acidic clay catalyst at a temperature low enough to prevent substantial deactivation of the catalyst until the addition is complete and then increasing the temperature to increase the alkylation rate of the less reactive fractions.

Diphenylamine alkylated with olefin mixtures containing fractions with varying degrees of activity

A process is disclosed that comprises solution grafting a hydrocarbon polymer prepared from at least Cto Cpolymerizable hydrocarbon, said polymer having a number average molecular weight in the range of from about 5,000 to about 500,000, with an ethylenically unsaturated Cto Ccarboxylic acid material, using a free radical initiator, in the presence of an aromatic ester oil of the formula (I) wherein R, R, R, R, R, and Rare independently selected from the group consisting of hydrogen, &#x2014;COOR, &#x2014;COOR, &#x2014;COOR, &#x2014;COOR, &#x2014;COOR, and &#x2014;COOR, provided that no more than 5 of R, R, R, R, Rand Rare hydrogen, and R, R, R, R, R, and Rare independently selected from the group consisting of alkyl and alkylesters 

Multifunctional viscosity index improver and dispersant

Disclosed herein is an antioxidant that is an alkylated iminodibenzyl of the general formula:wherein:

Alkylated iminodibenzyls as antioxidants

A composition of matter is disclosed wherein the composition comprises an N-aromatic substituted acid amide compound selected from the group consisting of compounds of formula (I) wherein A and B are independently selected alkylene groups; Ris selected from the group consisting of hydrogen, alkyl, alkylether, or ester; Ris hydrogen if Ris hydrogen; Ris an alkyl primary amine if Ris alkyl, alkylether, or ester; Rand Rare independently selected from the group consisting of hydrogen and alkyl; Ris a sterically hindered phenolic group of formula (II) or formula (III) wherein X is CH, S, NH, or O; and m, n, and p are independently selected integers equal to 0 or 1. These compositions may be used as such or they may be bound to a polymer backbone via a linking moiety. In either case, they are useful as antioxidants, particularly in lubricating oil compositions

Growing community of inventors

Waterbury, CT, United States of America

Karl J Duyck