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:
Feb. 24, 2015
Filed:
Oct. 14, 2011
Applicants:
Kouji Ohsaki, Wakayama, JP;
Kazuaki Sato, Wakayama, JP;
Yuri Okutani, Wakayama, JP;
Inventors:
Assignee:
Kao Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07H 3/00 (2006.01); C07H 5/02 (2006.01); C07H 5/06 (2006.01); C08B 37/00 (2006.01); C08B 15/04 (2006.01);
U.S. Cl.
CPC ...
C08B 37/006 (2013.01); C08B 15/04 (2013.01);
Abstract
The present invention provides a modified polyuronic acid represented by formula (1) or a salt thereof which is excellent in surface activity: wherein Ris a hydrogen atom, a hydrocarbon group having 1 to 40 carbon atoms or the like; X is an oxygen atom, a sulfur atom or a —NH— group, with the proviso that a ratio value of [m/(m+n)] is from 0.3 to 1.0, and a plurality of the Rgroups being present in a molecule of the modified polyuronic acid or the salt thereof may be the same or different from each other but all of the Rgroups are not hydrogen atoms at the same time.