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:
Aug. 23, 1977
Filed:
Aug. 17, 1976
Applicant:
Inventors:
Assignee:
Kao Soap Co., Ltd., Tokyo, JA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02C / ;
U.S. Cl.
CPC ...
210 28 ; 210 40 ; 210 52 ;
Abstract
A waste water treatment method for treating waste waters containing a surface active agent comprising a condensate obtained by condensing, with formaldehyde, a sulfonated organic compound such as an aromatic compound, a fused benzene ring compound or a hetero compound, in which a flocculation treatment is combined with an active carbon treatment.