The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 12, 2000
Filed:
Apr. 09, 1998
Applicant:
Inventors:
Paul E Adams, Willoughby Hills, OH (US);
Richard M Lange, Euclid, OH (US);
Richard Yodice, Mentor, OH (US);
Mark R Baker, Lyndhurst, OH (US);
Jeffry G Dietz, University Heights, OH (US);
Assignee:
The Lubrizol Corporation, Wickliffe, OH (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525 55 ; 525303 ; 525236 ; 525241 ; 525314 ; 525 98 ; 525 99 ; 525280 ; 525284 ; 525285 ; 508459 ;
Abstract
Compositions comprising reaction product of higher molecular weight olefinic reactants with carboxylic reactants of the formula R.sup.3 C(O)(R.sup.4).sub.n C(O)OR.sup.5 (IV) or the corresponding acetals, hemiacetals, ketals, and hemiketals thereof are useful as intermediates for further reaction in the preparation of lubricating oil additives.