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:
Mar. 01, 2005
Filed:
Dec. 19, 2002
Applicants:
Yukimasa Shimura, Tokyo, JP;
Shiro Taya, Tokyo, JP;
Inventors:
Yukimasa Shimura, Tokyo, JP;
Shiro Taya, Tokyo, JP;
Assignee:
Kurita Water Industries Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23F011/12 ; C23F011/14 ; C23F011/173 ; C02F001/70 ;
U.S. Cl.
CPC ...
Abstract
A boiler water treatment chemical includes a heterocyclic compound with N-substituted amino group, or the salt thereof, and alkaline agent and/or water soluble polymer.