Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Compound of indeterminate structure – prepared by reacting a...
Patent
1998-09-10
2000-02-15
Brouillette, D. Gabrielle
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Compound of indeterminate structure, prepared by reacting a...
508468, 508471, 508551, 5253276, 525382, C10M14514, C10M14516
Patent
active
060253088
ABSTRACT:
A method is disclosed for preparation of amine functionalized copolymers by reacting copolymers of alkyl methacrylate and maleic anhydride with N-phenyl-1,4-phenylenediamine in mineral oil and inert atmosphere at 40 to 75.degree. C. The copolymers are useful viscosity index improvers when incorporated into lubricating oils.
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Karol Thomas J.
Matsuya Hidehiko
Brouillette D. Gabrielle
R. T. Vanderbilt Company, Inc.
Toomer Cephia D.
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