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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.:

US 5503645 B1

PDFFull Text
Date of Patent:
Apr. 02, 1996

Filed:

May. 23, 1994

Compound having improved low temperature fluidity, and a middle

Applicant:
Inventors:

Hyun-Jong Jung, Seoul, KR;

Bon-Cheol Ku, Kyoungsangnam-do, KR;

Ki-Ho Lee, Kyoungsangnam-do, KR;

Jin-Soo Lee, Seoul, KR;

Assignee:

Yukong Limited, Seoul, KR;

Attorney:

Abelman, Frayne & Schwab

Primary Examiner:

Prince Willis, Jr

Assistant Examiner:

Cephia Toomer

Int. Cl.
CPC ...
C10L / ;
U.S. Cl.
CPC ...
44418 ; 44408 ; 44393 ; 44395 ; 44397 ;
Abstract

The present invention improves the low temperature flow property of a fuel oil having a boiling point of 120.degree.-150.degree. C. by adding a novel compound prepared by reacting pri-, sec- or tert-aliphatic amine containing alkyl group of 1-30 carbon atoms with 9,10-dihydroanthracene-9,10-endo-.alpha.,.beta.-succinic acid or anhydride thereof together with a polymer having ethylene structure and/or a terpolymer of dialkyl fumarate-vinyl ester-vinyl ether.

Find Patent Forward Citations

Jung, Hyun-Jong. (1996). Compound having improved low temperature fluidity, and a middle (U.S. Patent No. 5503645). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5503645

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