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:
Jul. 21, 1998
Filed:
Jul. 15, 1996
Applicant:
Inventors:
Sridhar Gopalkrishnan, Woodhaven, MI (US);
Kathleen M Guiney, Wyandotte, MI (US);
John V Sherman, Allen Park, MI (US);
Assignee:
BASF Corporation, Mount Olive, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ;
U.S. Cl.
CPC ...
510337 ; 510360 ; 510361 ; 510418 ; 510434 ; 510435 ; 510476 ; 510509 ;
Abstract
The present invention relates to a method for retarding the gelation of aqueous sodium carbonate slurries comprising adding to said aqueous sodium carbonate slurry a polycarboxylate polymer having the following structure: ##STR1##