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:
May. 23, 2006
Filed:
Feb. 28, 2001
Applicants:
Vijay K. Mathur, Federal Way, WA (US);
Varun K. Mathur, Phoenix, AZ (US);
Inventors:
Vijay K. Mathur, Federal Way, WA (US);
Varun K. Mathur, Phoenix, AZ (US);
Assignee:
G.R. International, Inc., Federal Way, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 33/24 (2006.01); C01F 11/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and apparatus for the production of calcium carbonate and calcium silicate in common superatmospheric reactors. Multiple reactors can be provided for switching production between reactors, and advantageously utilizing process waste heat. On site production of both PCC and Calcium Silicate Hydrates is thus achieved in a paper mill.