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 6525221 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 25, 2003

Filed:

Nov. 21, 2001
Applicant:
Inventors:

Hyun-Ki Youn, Daejeon, KR;

Myeong-Seok Kim, Daejeon, KR;

Byung-Keel Sohn, Daejeon, KR;

Jae-Hoon Uhm, Daejeon, KR;

Byeong-Gyu Lim, Daejeon, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10L 1/22 ; C07C / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
C10L 1/22 ; C07C / ; C07C / ; C07C / ; C07C / ;
Abstract

A fuel oil detergent which efficiently constricts precipitate formation and octane number requirement increase in a carburetor, injector, and inlet system of an internal combustion engine, i.e., a hydropoly(oxyalkylene) oxyalkyl amine based compound, a process for preparing the compound, and a fuel oil composition including the compound.


Find Patent Forward Citations

Youn, Hyun-Ki. (2003). Fuel detergent composed of hydropoly(oxyalkylene) oxyalkyl amine compound (U.S. Patent No. 6525221). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6525221

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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