Title of Invention

A PROCESS FOR OBTAINING SODIC BENTONITE COMPOSITION CONTAINING ADDITIVE FOR USE WITH GREEN SAND FOR MOLDING OF CAST PARTS

Abstract Additivated sodic bentonite for use in composition of green sand for molding of cast parts relates to a composition of additivated sodic bentonite through the addition of dextrin and sugar or starch and sugar in specific quantities during the process of calcic bentonite activation by means of incorporation of sodium carbonate into the 'in nature' ore, belonging to the field of chemical industry for use in the composition of green sand for cast molding, offering a wide range of advantages in comparison with the existing formulas.
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Patent Number 270797
Indian Patent Application Number 2167/MUMNP/2008
PG Journal Number 04/2016
Publication Date 22-Jan-2016
Grant Date 20-Jan-2016
Date of Filing 10-Oct-2008
Name of Patentee COQUE DO SUL DO BRASIL LTDA
Applicant Address RODOVIA SC 445, KM 05, S/NÂș, 88801-970 CRICIUMA-SC.
Inventors:
# Inventor's Name Inventor's Address
1 ROMANUS, ARNALDO RUA CORONEL ARISTARCO PESSOA, 425, JUGUARIBE, 58015-790 JOAO PESSOA-PB.
PCT International Classification Number C04B26/00
PCT International Application Number PCT/BR2007/000285
PCT International Filing date 2007-10-19
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 PI 0604327-5 2006-10-20 Brazil