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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 9353340 B1

PDFFull Text
Date of Patent:
May. 31, 2016

Filed:

Sep. 26, 2013

Engine cleaning composition

Applicants:

Hidetoshi Kawai, Toyota, JP;

Yoshiharu Hata, Toyota, JP;

Takeo Sakurai, Toyota, JP;

Hiroyuki Nishiura, Toyota, JP;

Masayuki Ichiyanagi, Nagoya, JP;

Reika Ogawa, Shizuoka, JP;

Shigehiko Sato, Shizuoka, JP;

Masaaki Matsunaga, Shizuoka, JP;

Inventors:

Hidetoshi Kawai, Toyota, JP;

Yoshiharu Hata, Toyota, JP;

Takeo Sakurai, Toyota, JP;

Hiroyuki Nishiura, Toyota, JP;

Masayuki Ichiyanagi, Nagoya, JP;

Reika Ogawa, Shizuoka, JP;

Shigehiko Sato, Shizuoka, JP;

Masaaki Matsunaga, Shizuoka, JP;

Assignee:

TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P

Primary Examiner:

Gregory R Delcotto

Int. Cl.
CPC ...
C11D 3/20 (2006.01); C11D 3/30 (2006.01); C11D 3/43 (2006.01); C11D 3/44 (2006.01); C11D 11/00 (2006.01); C10M 169/04 (2006.01); C11D 1/08 (2006.01); C11D 1/40 (2006.01); C11D 3/18 (2006.01); F02B 77/04 (2006.01); C10M 141/10 (2006.01); C11D 3/33 (2006.01); C11D 10/04 (2006.01); C10L 1/14 (2006.01); C10L 10/06 (2006.01); C11D 7/26 (2006.01); C10L 1/16 (2006.01); C10L 1/182 (2006.01); C10L 1/185 (2006.01); C10L 1/188 (2006.01); C10L 1/222 (2006.01);
U.S. Cl.
CPC ...
C11D 11/0041 (2013.01); C10L 1/14 (2013.01); C10L 10/06 (2013.01); C10M 141/10 (2013.01); C10M 169/04 (2013.01); C11D 1/08 (2013.01); C11D 1/40 (2013.01); C11D 3/187 (2013.01); C11D 3/2044 (2013.01); C11D 3/2075 (2013.01); C11D 3/2082 (2013.01); C11D 3/30 (2013.01); C11D 3/33 (2013.01); C11D 3/43 (2013.01); C11D 10/047 (2013.01); F02B 77/04 (2013.01); C10L 1/1616 (2013.01); C10L 1/1826 (2013.01); C10L 1/1852 (2013.01); C10L 1/1883 (2013.01); C10L 1/2222 (2013.01); C10L 1/2225 (2013.01); C10M 2203/1065 (2013.01); C10M 2207/022 (2013.01); C10M 2207/12 (2013.01); C10M 2207/127 (2013.01); C10M 2207/129 (2013.01); C10M 2215/02 (2013.01); C10N 2230/04 (2013.01); C10N 2240/10 (2013.01); C10N 2240/56 (2013.01); C11D 7/261 (2013.01);
Abstract

This invention provides an engine cleaning composition for removing sediment formed in an engine. Such engine cleaning composition comprises: a dispersant containing a carboxylic acid and an amine; a chelating agent; a glycol solvent; and a naphthenic oil.

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