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:
Oct. 09, 2012
Filed:
Sep. 10, 2009
Hirotsugu Ogura, Yokohama, JP;
Hiroaki Shindo, Tokyo, JP;
Hirotsugu Ogura, Yokohama, JP;
Hiroaki Shindo, Tokyo, JP;
Lion Corporation, Sumida-ku, Tokyo, JP;
Abstract
The present invention includes a liquid detergent composition which yields superior detergency and whitening effects, exhibits excellent storage stability, and comprises 50 to 70% by mass of nonionic surfactant (A) represented by formula (I) or formula (I'), 1 to 10% by mass of anionic surfactant (B), and 0.05 to 1% by mass of 4,4′-bis(2-sulfostyryl)biphenyl disodium salt serving as fluorescent whitening agent (C).RCO—(OR)—OR  (I)R—O—(RO)-H  (I′) In formula (I), Rrepresents a linear or branched alkyl or alkenyl group of 5 to 21 carbon atoms; Rrepresents an alkylene group of 2 to 4 carbon atoms; Rrepresents an alkyl group of 1 to 4 carbon atoms; and n is 5 to 30. In formula (I′), Rrepresents a hydrocarbon group derived from a secondary alcohol of 8 to 30 carbon atoms; Rrepresents an alkylene group of 2 to 4 carbon atoms; and m is 5 to 20.