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. 29, 2000
Filed:
Dec. 15, 1998
Applicant:
Inventors:
Takuya Saeki, Suita, JP;
Hideyuki Nishibayashi, Kobe, JP;
Shigeru Yamaguchi, Yao, JP;
Satoru Miura, Ibaraki, JP;
Assignee:
Nippon Shokubai Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D / ; C08G / ; C08G / ; C07C / ;
U.S. Cl.
CPC ...
564153 ; 510337 ; 510360 ; 510434 ; 510475 ; 510476 ; 510480 ; 525398 ; 528230 ; 528232 ; 528243 ; 528245 ; 562564 ; 562565 ; 564136 ;
Abstract
An amide-group-containing polyacetal, having acetal structure unit (1) of general formula (1) below in its molecule. This amide-group-containing polyacetal is usable as a detergent builder for detergent compositions. ##STR1## A production process of an amide-group-containing polyacetal, comprising the step of carrying out an ester-amide exchange reaction between an ester-group-containing polyacetal having acetal structure unit (3) of general formula (3) below in its molecule and an amine. ##STR2##