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:
Mar. 17, 1987
Filed:
Jun. 17, 1985
Applicant:
Inventors:
Kaspar Schlueter, Hilden, DE;
Wolfgang Zoellner, Duesseldorf, DE;
Assignee:
Henkel Kommanditgesellschaft auf Aktien, Duesseldorf, DE;
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 / ; 252 / ;
Abstract
An ester/amide copolymer useful as a pour-point depressant, wherein: the ester comonomer is at least one acrylic acid or methacrylic acid--C.sub.16-24 aliphatic alcohol ester; the amide comonomer is at least one acrylamide or methacrylamide, unsubstituted or substituted at the nitrogen atom; and the mol ratio of ester to amide is about 2-10:1.