The Lubrizol Corporation

Diamond Shamrock Corporation

Eltech Systems Corporation

Diamond Shamrock Chemicals Company

Michael J Covitch

Patrick E Mosier

Matthew D Gieselman

Haihu Qin

John Kent Pudelski

John J Mullay

Leo L Benezra

Christopher L Friend

Barton J Schober

Donald L DeRespiris

Elvin M Vauss

Mary Galic Raguz

Marina Baum

Renee A Eveland

Christopher J Kolp

Daniel C Visger

David Price

Jack C Kelley

Matt D Gieselman

Mark F Smith

Daniel M Vargo

Suzanne Patterson

G Howard McCain

Stanley K Baczek

Nicolas Proust

Calvin A James

Philip W Pike

Gary G Sweetapple

Leonard E Orzech

Ying Wang

Daniel Visger

An acylated hydrocarbon polymer is aminated by reacting a primary or secondary aromatic amine which is solid at room temperature with an acyl group of the polymer, by: supplying a melt of the acylated polymer; supplying a solution of the aromatic amine in a polar aprotic solvent which has a boiling point of at least about 15&#xb0; C., a melting point below about 40&#xb0; C., and a dielectric constant of at least about 5&#xb0; at 25&#xb0; C.; mixing the solution at 140&#xb0; C. to 185&#xb0; C.; and cooling the resulting amine-reacted polymer with a liquid while retaining the polar aprotic solvent in the polymer.

Method for preparing functionalized graft polymers

An interpolymer composition comprising monomer-derived units of (i) at least one of an aliphatic olefin containing from 2 to 30 carbon atoms and a vinyl aromatic monomer, and (ii) at least one alpha, beta-unsaturated acylating agent; wherein a portion of said acylating agent monomers is esterified and wherein a portion of said acylating agent monomers is condensed with at least one aromatic amine, provides good viscosity modification and dispersancy performance.

Dispersant viscosity modifiers based on maleic anhydride-styrene copolymers

Reaction of a carboxylic acid-containing polymer with certain aromatic amines results in dispersant viscosity modifiers with improved soot handling performance in heavy-duty diesel engines, compared with reaction with non-aromatic amines.

Dispersant viscosity modifiers containing aromatic amines

A composition of the reaction product of (a) an isobutylene-diene copolymer having thereon groups containing carboxylic acid functionality or reactive equivalent thereof, derived from an &#x3b1;,&#x3b2;-unsaturated carboxylic compound; and (b) an amine component comprising at least one aromatic amine containing at least one N&#x2014;H group capable of condensing with said carboxylic acid functionality, is a useful dispersant viscosity modifier.

Dispersant viscosity modifiers based on diene-containing polymers

Mixtures of esterified carboxy-containing interpolymers and additive concentrates and lubricating oil compositions containing same. Residual acidity of the esterified interpolymers may be neutralized by reaction with an amine.

Mixtures of esterified carboxy-containing interpolymers and lubricants

A solid polymer electrolyte (SPE), solid polymer electrolyte electrode, and method for forming from cationic exchange perfluorocarbon copolymer. Disclosed are solution techniques for forming SPE's and SPE electrodes using fluorocarbon vinyl ether copolymers.

Solid polymer electrolyte membranes carrying gas-release particulates

A method for making a quite finely divided particulate copolymeric perfluorocarbon having pendant cation exchange functional groups, and having an equivalent weight of at least in excess of 900 but not greater than about 1500. In the method, the perfluorocarbon copolymer is solvated in a solvent and then precipitated from solution by addition of a substance miscible in the solvent but having essentially no capability for solvating the perfluorocarbon copolymer. The method is conducted at a temperature generally below about 300.degree. C.

Method for making finely divided perfluorocarbon copolymer

A method for forming a hydrophilic coating upon a porous substrate such as a reticulate electrode or a filter from a dispersed, perfluorocarbon copolymer. Perfluorocarbon copolymer is dispersed in a solvating medium, a substantial portion, but not necessarily all of the perfluorocarbon being solvated. The dispersion is applied to the substrate and the dispersion medium is removed.

Coated porous substrate formation by solution coating

Solid polymer electrolytes and electrode bonded with hydrophylic

A method for making polymer bonded electrode (PBE) structures wherein the particulate and particles of perfluorocarbon copolymer are combined with a solvent for the copolymer at a temperature where significant solvation of the perfluorocarbon does not occur. The resulting blended dispersion is spread to form the PBE, and the solvent removed. The PBE is then fused under heat and pressure for use.

Method for making polymer bonded electrodes

A method is shown for making porous thermoresin structures. By the method, the thermoresin is at least partially solvated, formed into a desired shape, and cooled until droplets of the solvent form by syneresis within the shape. Further cooling crystalizes the droplets. These crystalized droplets are subsequently removed to leave a porous structure.

Method for making a porous fluorinated polymer structure

A solid polymer electrolyte (SPE), solid polymer electrolyte electrode, and method for forming from cationic exchange perfluorocarbon copolymer. Disclosed are solution techniques for forming SPEs and SPE electrodes using fluorocarbon vinyl ether copolymers.

Method of making solid polymer electrolytes and electrode bonded with

Coatings made from soluable cross-linkable elastomers are shown. Particularly, techniques for solution cross-linking perfluorocarbon copolymers to generate resistant coatings for lining and coating applications are disclosed.

Method for making linings and coatings from soluble cross-linkable

A method for forming a membrane upon an electrode from a dispersed, perfluorocarbon copolymer. Perfluorocarbon is dispersed in a solvating medium, a substantial portion, but not necessarily all of the perfluorocarbon being solvated. The dispersion is applied to an electrode and the dispersion medium is removed.

Growing community of inventors

Cleveland Heights, OH, United States of America

Michael J Covitch