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:
Dec. 14, 1993
Filed:
Jul. 08, 1992
Applicant:
Inventors:
Etienne Chavel, Talence, FR;
Pierre Langlade, Bordeaux Cauderan, FR;
Jean-Claude Pommier, Gradignan, FR;
Assignee:
La Cellulose du Pin c/o Saint-Gobain Recherche, Cedex, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02F / ; B01D / ;
U.S. Cl.
CPC ...
210725 ; 210727 ; 210731 ; 210735 ; 210738 ; 210787 ; 2105121 ; 210917 ;
Abstract
Effluent containing inks undergoes flocculation by the action of a flocculating agent, followed by the continuous centrifuging of the effluent consisting of an acceleration between 1,000 and 20,000 g, while avoiding an air-liquid interface during centrifuging.