Title:
CEMENT ADDITIVE
Document Type and Number:
WIPO Patent Application WO/2014/196618
Kind Code:
A1
Abstract:
Provided is a cement additive obtained using a woody plant as a raw material, without using lignin sulfonic acid, through a smaller number of steps than that for obtaining a conventional additive in which lignin is a raw material. A cement additive containing lignin, wherein the principal component of the lignin is alkaline lignin obtained using a woody plant as a raw material.
Inventors:
HATTORI MASAMI (JP)
MORIMOTO MASAKAZU (JP)
YAMADA TATSUHIKO (JP)
TAKAHASHI SHIHO (JP)
MORIMOTO MASAKAZU (JP)
YAMADA TATSUHIKO (JP)
TAKAHASHI SHIHO (JP)
Application Number:
PCT/JP2014/065032
Publication Date:
December 11, 2014
Filing Date:
June 06, 2014
Export Citation:
Assignee:
NIPPON CATALYTIC CHEM IND (JP)
FORESTRY & FOREST PROD RES INS (JP)
FORESTRY & FOREST PROD RES INS (JP)
International Classes:
C04B24/24; C04B28/02; C08H7/00
Foreign References:
| JPS63230546A | 1988-09-27 | |||
| JPH09104819A | 1997-04-22 | |||
| JP2011184230A | 2011-09-22 | |||
| JPH07224135A | 1995-08-22 |
Attorney, Agent or Firm:
YASUTOMI & Associates (JP)
Patent business corporation Yasutomi international patent firm (JP)
Patent business corporation Yasutomi international patent firm (JP)
Download PDF: