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:
Nov. 01, 1994
Filed:
Jul. 09, 1993
Applicant:
Inventors:
Thomas P Kempf, Brooklyn Park, MN (US);
Dennis B Usgaard, New Hope, MN (US);
Assignee:
The Pillsbury Company, Minneapolis, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B03B / ;
U.S. Cl.
CPC ...
2091725 ; 209173 ;
Abstract
The present invention includes a process for separating food particles of different specific gravities. The process includes providing a feedstock of the food particles, providing a feedstock of diatomaceous earth and water having a specific gravity effective for particles to float or sink; adding the slurry and separating the floating food particles from the sinking food particles; dewatering the food particles and collecting the water; extracting the diatomaceous earth from the slurry and re-using the diatomaceous earth in the process.