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:
Apr. 11, 1989
Filed:
Feb. 12, 1987
Applicant:
Inventors:
Shawqui Lahalih, Safat, KW;
Ma'mun Absi-Halabi, Safat, KW;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
524843 ; 524-6 ; 524598 ; 524650 ; 528254 ; 528256 ;
Abstract
A highly stable melamine-formaldehyde condensate solution for use as superplasticizer additives for cement or the like is produced by condensing melamine and formaldehyde in an aqueous medium, sulfonating the melamine-formaldehyde condensate, further condensing and stabilizing the aqueous sulfonated melamine-formaldehyde condensate solution.