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:
Apr. 14, 2009
Filed:
Mar. 12, 2002
Takahiro Nishizaka, Wakayama, JP;
Takeshi Ihara, Wakayama, JP;
Tomohito Kitsuki, Wakayama, JP;
Kao Corporation, Tokyo, JP;
Abstract
A process for the preparation of an o/w emulsion, which comprises mixing together a high molecular compound carrying at least on side chains thereof groups represented by the following formula (1):—(OX)-E-R  (1)wherein n 'X's may be the same or different and each independently represents a linear or branched, divalent, saturated Chydrocarbon group, n stands for a number of from 5 to 300, Erepresents an ether bond or an oxycarbonyl group (—OCO— or —COO—), and R represents a linear or branched, Calkyl group which may be substituted by hydroxyl group(s), an aqueous solution of a water-soluble polyol, and a hydrophobic compound, and diluting a resulting mixture with water, and the o/w emulsion obtained by the preparation process. The emulsion according to the present invention is excellent in touch feeling to the skin and is good in stability.