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:
Sep. 14, 2004
Filed:
Oct. 31, 2001
Applicant:
Inventors:
Raksh Vir Jasra, Gujarat, IN;
Pravinchandra M. Oza, Gujarat, IN;
Rajesh S. Somani, Gujarat, IN;
Jatin R. Chunnawala, Gujarat, IN;
Mrinal V. Sheth, Gujarat, IN;
Vikram V. Thakkar, Gujarat, IN;
Yogi M. Badheka, Gujarat, IN;
Jayalekshmy Ayyer, Narmadanagar, IN;
Virendra B. Patel, Narmadanagar, IN;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01F 1/118 ;
U.S. Cl.
CPC ...
C01F 1/118 ;
Abstract
An environmentally friendly process for the production of precipitated calcium carbonate suitable for industrial application from a calcium carbonate-rich by-product of a nitrophosphate fertilizer plant. The process employs purification steps of calcination, carbonation and optional treatment with an emulsion of fatty acid or fatty acid derivatives.