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:
Sep. 09, 2014
Filed:
Oct. 29, 2010
Masanori Takai, Wakayama, JP;
Masafumi Miyamoto, Wakayama, JP;
Kohei Nakanishi, Wakayama, JP;
Toru Nishioka, Wakayama, JP;
Masanori Takai, Wakayama, JP;
Masafumi Miyamoto, Wakayama, JP;
Kohei Nakanishi, Wakayama, JP;
Toru Nishioka, Wakayama, JP;
KAO Corporation, Tokyo, JP;
Abstract
The present invention relates to a process for producing a cationic hydroxypropyl cellulose including the step of reacting a low-crystalline powdery cellulose with a cationizing agent represented by the following general formula (1) and/or a cationizing agent represented by the following general formula (2), and propylene oxide in the presence of water in an amount of from 10 to 60% by mass on the basis of the low-crystalline powdery cellulose, and a catalyst: wherein Rto Rare each independently a linear or branched hydrocarbon group having 1 to 4 carbon atoms; and X and Z are each a halogen atom and may be the same or different from each other.